Remove mdast-util-from-markdown

* sidv/removeSimpleMarkdown:
  Back to JS with jsdoc types
  Add unsupported text
  Reduce changes in test
  Fix deps
  Fix lockfile
  Use mdast-util-from-markdown instead of simple-markdown
  handleMarkdown JS -> TS

.ackrc

@@ -0,0 +1,4 @@
+--ignore-dir=dist
+--ignore-file=match:/^yarn\.lock$/
+--ignore-file=match:/^yarn-error\.log$/
+--ignore-dir=coverage

.commitlintrc.json

@@ -0,0 +1,3 @@
+{
+  "extends": ["@commitlint/config-conventional"]
+}

.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+indent_size = 4

.eslintignore

@@ -0,0 +1,7 @@
+dist/**
+.github/**
+docs/Setup.md
+cypress.config.js
+cypress/plugins/index.js
+coverage
+*.json

.eslintrc.cjs

@@ -0,0 +1,150 @@
+module.exports = {
+  env: {
+    browser: true,
+    es6: true,
+    'jest/globals': true,
+    node: true,
+  },
+  root: true,
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaFeatures: {
+      experimentalObjectRestSpread: true,
+      jsx: true,
+    },
+    tsconfigRootDir: __dirname,
+    sourceType: 'module',
+    ecmaVersion: 2020,
+    allowAutomaticSingleRunInference: true,
+    project: ['./tsconfig.eslint.json', './packages/*/tsconfig.json'],
+    parser: '@typescript-eslint/parser',
+  },
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:json/recommended',
+    'plugin:markdown/recommended',
+    'plugin:@cspell/recommended',
+    'prettier',
+  ],
+  plugins: [
+    '@typescript-eslint',
+    'no-only-tests',
+    'html',
+    'jest',
+    'jsdoc',
+    'json',
+    '@cspell',
+    'lodash',
+    'unicorn',
+  ],
+  rules: {
+    curly: 'error',
+    'no-console': 'error',
+    'no-prototype-builtins': 'off',
+    'no-unused-vars': 'off',
+    'cypress/no-async-tests': 'off',
+    '@typescript-eslint/no-floating-promises': 'error',
+    '@typescript-eslint/no-misused-promises': 'error',
+    '@typescript-eslint/ban-ts-comment': [
+      'error',
+      {
+        'ts-expect-error': 'allow-with-description',
+        'ts-ignore': 'allow-with-description',
+        'ts-nocheck': 'allow-with-description',
+        'ts-check': 'allow-with-description',
+        minimumDescriptionLength: 10,
+      },
+    ],
+    'json/*': ['error', 'allowComments'],
+    '@cspell/spellchecker': [
+      'error',
+      {
+        checkIdentifiers: false,
+        checkStrings: false,
+        checkStringTemplates: false,
+      },
+    ],
+    'no-empty': [
+      'error',
+      {
+        allowEmptyCatch: true,
+      },
+    ],
+    'no-only-tests/no-only-tests': 'error',
+    'lodash/import-scope': ['error', 'method'],
+    'unicorn/better-regex': 'error',
+    'unicorn/no-abusive-eslint-disable': 'error',
+    'unicorn/no-array-push-push': 'error',
+    'unicorn/no-for-loop': 'error',
+    'unicorn/no-instanceof-array': 'error',
+    'unicorn/no-typeof-undefined': 'error',
+    'unicorn/no-unnecessary-await': 'error',
+    'unicorn/no-unsafe-regex': 'warn',
+    'unicorn/no-useless-promise-resolve-reject': 'error',
+    'unicorn/prefer-array-find': 'error',
+    'unicorn/prefer-array-flat-map': 'error',
+    'unicorn/prefer-array-index-of': 'error',
+    'unicorn/prefer-array-some': 'error',
+    'unicorn/prefer-default-parameters': 'error',
+    'unicorn/prefer-includes': 'error',
+    'unicorn/prefer-negative-index': 'error',
+    'unicorn/prefer-object-from-entries': 'error',
+    'unicorn/prefer-string-starts-ends-with': 'error',
+    'unicorn/prefer-string-trim-start-end': 'error',
+    'unicorn/string-content': 'error',
+    'unicorn/prefer-spread': 'error',
+    'unicorn/no-lonely-if': 'error',
+  },
+  overrides: [
+    {
+      files: ['cypress/**', 'demos/**'],
+      rules: {
+        'no-console': 'off',
+      },
+    },
+    {
+      files: ['*.{js,jsx,mjs,cjs}'],
+      extends: ['plugin:jsdoc/recommended'],
+      rules: {
+        'jsdoc/check-indentation': 'off',
+        'jsdoc/check-alignment': 'off',
+        'jsdoc/check-line-alignment': 'off',
+        'jsdoc/multiline-blocks': 'off',
+        'jsdoc/newline-after-description': 'off',
+        'jsdoc/tag-lines': 'off',
+        'jsdoc/require-param-description': 'off',
+        'jsdoc/require-param-type': 'off',
+        'jsdoc/require-returns': 'off',
+        'jsdoc/require-returns-description': 'off',
+      },
+    },
+    {
+      files: ['*.{ts,tsx}'],
+      plugins: ['tsdoc'],
+      rules: {
+        'tsdoc/syntax': 'error',
+      },
+    },
+    {
+      files: ['*.spec.{ts,js}', 'cypress/**', 'demos/**', '**/docs/**'],
+      rules: {
+        'jsdoc/require-jsdoc': 'off',
+        '@typescript-eslint/no-unused-vars': 'off',
+      },
+    },
+    {
+      files: ['*.html', '*.md', '**/*.md/*'],
+      rules: {
+        'no-var': 'error',
+        'no-undef': 'off',
+        '@typescript-eslint/no-unused-vars': 'off',
+        '@typescript-eslint/no-floating-promises': 'off',
+        '@typescript-eslint/no-misused-promises': 'off',
+      },
+      parserOptions: {
+        project: null,
+      },
+    },
+  ],
+};

.gitattributes

@@ -0,0 +1 @@
+* text=auto

.github/FUNDING.yml

@@ -0,0 +1,14 @@
+# These are supported funding model platforms
+
+github:
+  - knsv
+  - sidharthv96
+#patreon: # Replace with a single Patreon username
+#open_collective: # Replace with a single Open Collective username
+#ko_fi: # Replace with a single Ko-fi username
+#tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+#community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+#liberapay: # Replace with a single Liberapay username
+#issuehunt: # Replace with a single IssueHunt username
+#otechie: # Replace with a single Otechie username
+#custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,61 @@
+name: Bug Report
+description: Create a report to help us improve
+labels:
+  - 'Status: Triage'
+  - 'Type: Bug / Error'
+
+body:
+  - type: markdown
+    attributes:
+      value: |-
+        ## Security vulnerabilities
+        Please refer our [Security Policy](https://github.com/mermaid-js/.github/blob/main/SECURITY.md) and report to keep vulnerabilities confidential so we can release fixes first.
+
+        ## Before you submit...
+        We like to help you, but in order to do that should you make a few things first:
+
+        - Use a clear and concise title
+        - Fill out the text fields with as much detail as possible.
+        - Never be shy to give us screenshots and/or code samples. It will help!
+  - type: textarea
+    attributes:
+      label: Description
+      description: Give a clear and concise description of what the bug is.
+      placeholder: When I do ... does ... happen.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Steps to reproduce
+      description: Give a step-by-step example on how to reproduce the bug.
+      placeholder: |-
+        1. Do this
+        2. Do that
+        3. ...
+        4. Bug!
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Screenshots
+      description: If applicable, add screenshots to help explain your issue.
+  - type: textarea
+    attributes:
+      label: Code Sample
+      description: |-
+        If applicable, add the code sample or a link to the [Live Editor](https://mermaid.live).
+        Any text pasted here will be rendered as a Code block.
+      render: text
+  - type: textarea
+    attributes:
+      label: Setup
+      description: |-
+        Please fill out the info below.
+        Note that you only need to fill out the relevant section
+      value: |-
+        - Mermaid version: 
+        - Browser and Version: [Chrome, Edge, Firefox]
+  - type: textarea
+    attributes:
+      label: Additional Context
+      description: Anything else to add?

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,14 @@
+blank_issues_enabled: true
+contact_links:
+  - name: GitHub Discussions
+    url: https://github.com/mermaid-js/mermaid/discussions
+    about: Ask the Community questions or share your own graphs in our discussions.
+  - name: Slack
+    url: https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE
+    about: Join our Community on Slack for Help and a casual chat.
+  - name: Documentation
+    url: https://mermaid-js.github.io
+    about: Read our documentation for all that Mermaid.js can offer.
+  - name: Live Editor
+    url: https://mermaid.live
+    about: Try the live editor to preview graphs in no time.

.github/ISSUE_TEMPLATE/diagram_proposal.yml

@@ -0,0 +1,42 @@
+name: Diagram Proposal
+description: Suggest a new Diagram Type to add to Mermaid.
+labels:
+  - 'Status: Triage'
+  - 'Type: Enhancement'
+
+body:
+  - type: markdown
+    attributes:
+      value: |-
+        ## Before you submit...
+        First of all, thank you for proposing a new Diagram to us.
+        We are always happy about new ideas to improve Mermaid.js wherever possible.
+
+        To get the fastest and best response possible, make sure you do the following:
+
+        - Use a clear and concise title
+        - Fill out the text fields with as much detail as possible.
+        - Never be shy to give us screenshots and/or code samples. It will help!
+  - type: textarea
+    attributes:
+      label: Proposal
+      description: A clear and concise description of what should be added to Mermaid.js.
+      placeholder: Mermaid.js should add ... because ...
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Use Cases
+      description: If applicable, give some use cases for where this diagram would be useful.
+      placeholder: The Diagram could be used for ...
+  - type: textarea
+    attributes:
+      label: Screenshots
+      description: If applicable, add screenshots to show possible examples of how the diagram may look like.
+  - type: textarea
+    attributes:
+      label: Code Sample
+      description: |-
+        If applicable, add a code sample for how to implement this new diagram.
+        The text will automatically be rendered as JavaScript code.
+      render: javascript

.github/ISSUE_TEMPLATE/syntax_proposal.yml

@@ -0,0 +1,34 @@
+name: Syntax Proposal
+description: Suggest a new Syntax to add to Mermaid.js.
+labels:
+  - 'Status: Triage'
+  - 'Type: Enhancement'
+
+body:
+  - type: markdown
+    attributes:
+      value: |-
+        ## Before you submit...
+        First of all, thank you for proposing a new Syntax to us.
+        We are always happy about new ideas to improve Mermaid.js wherever possible.
+
+        To get the fastest and best response possible, make sure you do the following:
+
+        - Use a clear and concise title
+        - Fill out the text fields with as much detail as possible. Examples are always welcome.
+        - Never be shy to give us screenshots and/or code samples. It will help!
+  - type: textarea
+    attributes:
+      label: Proposal
+      description: A clear and concise description of what Syntax should be added to Mermaid.js.
+      placeholder: Mermaid.js should add ... because ...
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Example
+      description: If applicable, provide an example of the new Syntax.
+  - type: textarea
+    attributes:
+      label: Screenshots
+      description: If applicable, add screenshots to show possible examples of how the theme may look like.

.github/ISSUE_TEMPLATE/theme_proposal.yml

@@ -0,0 +1,42 @@
+name: Theme Proposal
+description: Suggest a new theme to add to Mermaid.js.
+labels:
+  - 'Status: Triage'
+  - 'Type: Enhancement'
+
+body:
+  - type: markdown
+    attributes:
+      value: |-
+        ## Before you submit...
+        First of all, thank you for proposing a new Theme to us.
+        We are always happy about new ideas to improve Mermaid.js wherever possible.
+
+        To get the fastest and best response possible, make sure you do the following:
+
+        - Use a clear and concise title
+        - Fill out the text fields with as much detail as possible. Examples are always welcome!
+        - Never be shy to give us screenshots and/or code samples. It will help!
+  - type: textarea
+    attributes:
+      label: Proposal
+      description: A clear and concise description of what theme should be added to Mermaid.js.
+      placeholder: Mermaid.js should add ... because ...
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Colors
+      description: |-
+        A detailed list of the different colour values to use.
+        A list of currently used variable names can be found [here](https://mermaid-js.github.io/mermaid/#/theming?id=theme-variables-reference-table)
+      placeholder: |-
+        - background: #f4f4f4
+        - primaryColor: #fff4dd
+        - ...
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Screenshots
+      description: If applicable, add screenshots to show possible examples of how the theme may look like.

.github/codeql/codeql-config.yml

@@ -0,0 +1,4 @@
+name: 'CodeQL config'
+paths-ignore:
+  - dist
+  - cypress

.github/pr-labeler.yml

@@ -0,0 +1,3 @@
+'Type: Bug / Error': 'bug/*'
+'Type: Enhancement': 'feature/*'
+'Type: Other': 'other/*'

.github/pull_request_template.md

@@ -0,0 +1,18 @@
+## :bookmark_tabs: Summary
+
+Brief description about the content of your PR.
+
+Resolves #<your issue id here>
+
+## :straight_ruler: Design Decisions
+
+Describe the way your implementation works or what design decisions you made if applicable.
+
+### :clipboard: Tasks
+
+Make sure you
+
+- [ ] :book: have read the [contribution guidelines](https://github.com/mermaid-js/mermaid/blob/develop/CONTRIBUTING.md)
+- [ ] :computer: have added unit/e2e tests (if appropriate)
+- [ ] :notebook: have added documentation (if appropriate)
+- [ ] :bookmark: targeted `develop` branch

.github/release-drafter.yml

@@ -0,0 +1,25 @@
+name-template: '$NEXT_PATCH_VERSION'
+tag-template: '$NEXT_PATCH_VERSION'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - 'Type: Enhancement'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'Type: Bug / Error'
+  - title: '🧰 Maintenance'
+    label: 'Type: Other'
+change-template: '- $TITLE (#$NUMBER) @$AUTHOR'
+sort-by: title
+sort-direction: ascending
+branches:
+  - develop
+exclude-labels:
+  - 'Skip changelog'
+no-changes-template: 'This release contains minor changes and bugfixes.'
+template: |
+  # Release Notes
+
+  $CHANGES
+
+  🎉 **Thanks to all contributors helping with this release!** 🎉

.github/stale.yml

@@ -0,0 +1,19 @@
+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 60
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 14
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - Retained
+# Label to use when marking an issue as stale
+staleLabel: Inactive
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you
+  for your contributions.
+  If you are still interested in this issue and it is still relevant you can comment to revive it.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: >
+  This issue has been been automatically closed due to a lack of activity. 
+  This is done to maintain a clean list of issues that the community is interested in developing.

.github/workflows/build-docs.yml

@@ -0,0 +1,29 @@
+name: Build Vitepress docs
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          cache: pnpm
+          node-version: 18
+
+      - name: Install Packages
+        run: pnpm install --frozen-lockfile
+
+      - name: Run Build
+        run: pnpm --filter mermaid run docs:build:vitepress

.github/workflows/build.yml

@@ -0,0 +1,51 @@
+name: Build
+
+on:
+  push: {}
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - ready_for_review
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x]
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+        # uses version from "packageManager" field in package.json
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          cache: pnpm
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install Packages
+        run: |
+          pnpm install --frozen-lockfile
+        env:
+          CYPRESS_CACHE_FOLDER: .cache/Cypress
+
+      - name: Run Build
+        run: pnpm run build
+
+      - name: Upload Mermaid Build as Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: mermaid-build
+          path: packages/mermaid/dist
+
+      - name: Upload Mermaid Mindmap Build as Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: mermaid-mindmap-build
+          path: packages/mermaid-mindmap/dist

.github/workflows/check-readme-in-sync.yml

@@ -0,0 +1,35 @@
+# Reference: https://github.com/Yash-Singh1/eslint-plugin-userscripts/blob/main/.github/workflows/readme-in-sync.yml
+
+name: Check if README and docs/README are in sync
+
+on:
+  push:
+    branches:
+      - gh-pages
+  pull_request:
+    branches:
+      - gh-pages
+
+permissions:
+  contents: read
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Check for difference in README.md and docs/README.md
+        run: |
+          if [ -z "$(diff README.md docs/README.md --brief)" ]
+          then
+            echo "README.md and docs/README.md are in sync"
+          else
+            echo "Make sure that README.md and docs/README.md are in sync"
+            echo
+            echo "Difference:"
+            echo
+            diff README.md docs/README.md -u
+            exit 1
+          fi

.github/workflows/checks.yml

@@ -0,0 +1,25 @@
+on:
+  push: {}
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - ready_for_review
+
+name: Static analysis
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: check tests
+    if: github.repository_owner == 'mermaid-js'
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: testomatio/check-tests@stable
+        with:
+          framework: cypress
+          tests: './cypress/e2e/**/**.spec.js'
+          token: ${{ secrets.GITHUB_TOKEN }}
+          has-tests-label: true

.github/workflows/codeql.yml

@@ -0,0 +1,62 @@
+name: 'CodeQL'
+
+on:
+  push:
+    branches: [develop]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [develop]
+    types:
+      - opened
+      - synchronize
+      - ready_for_review
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ['javascript']
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          config-file: ./.github/codeql/codeql-config.yml
+          languages: ${{ matrix.language }}
+          # If you wish to specify custom queries, you can do so here or in a config file.
+          # By default, queries listed here will override any specified in a config file.
+          # Prefix the list here with "+" to use these queries and those in the config file.
+          # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+      # If this step fails, then you should remove it and run the build manually (see below)
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v2
+
+      # ℹ️ Command-line programs to run using the OS shell.
+      # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+
+      # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+      #    and modify them (or add more) to build your code if your project
+      #    uses a compiled language
+
+      #- run: |
+      #   make bootstrap
+      #   make release
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2

.github/workflows/dependency-review.yml

@@ -0,0 +1,20 @@
+# Dependency Review Action
+#
+# This Action will scan dependency manifest files that change as part of a Pull Reqest, surfacing known-vulnerable versions of the packages declared or updated in the PR. Once installed, if the workflow run is marked as required, PRs introducing known-vulnerable packages will be blocked from merging.
+#
+# Source repository: https://github.com/actions/dependency-review-action
+# Public documentation: https://docs.github.com/en/code-security/supply-chain-security/understanding-your-software-supply-chain/about-dependency-review#dependency-review-enforcement
+name: 'Dependency Review'
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Checkout Repository'
+        uses: actions/checkout@v3
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@v3

.github/workflows/e2e-applitools.yml

@@ -0,0 +1,68 @@
+name: E2E (Applitools)
+
+on:
+  workflow_dispatch:
+    # Because we want to limit Applitools usage, so we only want to start this
+    # workflow on rare occasions/manually.
+    inputs:
+      parent_branch:
+        required: true
+        type: string
+        default: master
+        description: 'Parent branch to use for PRs'
+
+permissions:
+  contents: read
+
+env:
+  # on PRs from forks, this secret will always be empty, for security reasons
+  USE_APPLI: ${{ secrets.APPLITOOLS_API_KEY && 'true' || '' }}
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x]
+    steps:
+      - if: ${{ ! env.USE_APPLI }}
+        name: Warn if not using Applitools
+        run: |
+          echo "::error,title=Not using Applitols::APPLITOOLS_API_KEY is empty, disabling Applitools for this run."
+
+      - uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+        # uses version from "packageManager" field in package.json
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - if: ${{ env.USE_APPLI }}
+        name: Notify applitools of new batch
+        # Copied from docs https://applitools.com/docs/topics/integrations/github-integration-ci-setup.html
+        run: curl -L -d '' -X POST "$APPLITOOLS_SERVER_URL/api/externals/github/push?apiKey=$APPLITOOLS_API_KEY&CommitSha=$GITHUB_SHA&BranchName=${APPLITOOLS_BRANCH}$&ParentBranchName=$APPLITOOLS_PARENT_BRANCH"
+        env:
+          # e.g. mermaid-js/mermaid/my-branch
+          APPLITOOLS_BRANCH: ${{ github.repository }}/${{ github.ref_name }}
+          APPLITOOLS_PARENT_BRANCH: ${{ github.event.inputs.parent_branch }}
+          APPLITOOLS_API_KEY: ${{ secrets.APPLITOOLS_API_KEY }}
+          APPLITOOLS_SERVER_URL: 'https://eyesapi.applitools.com'
+
+      - name: Cypress run
+        uses: cypress-io/github-action@v4
+        id: cypress
+        with:
+          start: pnpm run dev
+          wait-on: 'http://localhost:9000'
+        env:
+          # Mermaid applitools.config.js uses this to pick batch name.
+          APPLI_BRANCH: ${{ github.ref_name }}
+          APPLITOOLS_BATCH_ID: ${{ github.sha }}
+          # e.g. mermaid-js/mermaid/my-branch
+          APPLITOOLS_BRANCH: ${{ github.repository }}/${{ github.ref_name }}
+          APPLITOOLS_PARENT_BRANCH: ${{ github.event.inputs.parent_branch }}
+          APPLITOOLS_API_KEY: ${{ secrets.APPLITOOLS_API_KEY }}
+          APPLITOOLS_SERVER_URL: 'https://eyesapi.applitools.com'

.github/workflows/e2e.yml

@@ -0,0 +1,50 @@
+name: E2E
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [18.x]
+        containers: [1, 2, 3, 4]
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+        # uses version from "packageManager" field in package.json
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      # Install NPM dependencies, cache them correctly
+      # and run all Cypress tests
+      - name: Cypress run
+        uses: cypress-io/github-action@v4
+        id: cypress
+        # If CYPRESS_RECORD_KEY is set, run in parallel on all containers
+        # Otherwise (e.g. if running from fork), we run on a single container only
+        if: ${{ ( env.CYPRESS_RECORD_KEY != '' ) || ( matrix.containers == 1 ) }}
+        with:
+          start: pnpm run dev
+          wait-on: 'http://localhost:9000'
+          # Disable recording if we don't have an API key
+          # e.g. if this action was run from a fork
+          record: ${{ secrets.CYPRESS_RECORD_KEY != '' }}
+          parallel: ${{ secrets.CYPRESS_RECORD_KEY != '' }}
+        env:
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v3
+        if: ${{ failure() && steps.cypress.conclusion == 'failure' }}
+        with:
+          name: error-snapshots
+          path: cypress/snapshots/**/__diff_output__/*

.github/workflows/issue-triage.yml

@@ -0,0 +1,14 @@
+name: Apply triage label to new issue
+
+on:
+  issues:
+    types: [opened]
+
+jobs:
+  triage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: andymckay/labeler@1.0.4
+        with:
+          repo-token: '${{ secrets.GITHUB_TOKEN }}'
+          add-labels: 'Status: Triage'

.github/workflows/link-checker.yml

@@ -0,0 +1,52 @@
+# This Link Checker is run on all documentation files once per week.
+
+# references:
+# - https://github.com/lycheeverse/lychee-action
+# - https://github.com/lycheeverse/lychee
+
+name: Link Checker
+
+on:
+  push:
+    branches:
+      - develop
+      - master
+  pull_request:
+    branches:
+      - master
+  workflow_dispatch:
+  schedule:
+    # * is a special character in YAML so you have to quote this string
+    - cron: '30 8 * * *'
+
+jobs:
+  linkChecker:
+    runs-on: ubuntu-latest
+    permissions:
+      # lychee only uses the GITHUB_TOKEN to avoid rate-limiting
+      contents: read
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Restore lychee cache
+        uses: actions/cache@v3
+        with:
+          path: .lycheecache
+          key: cache-lychee-${{ github.sha }}
+          restore-keys: cache-lychee-
+
+      - name: Link Checker
+        uses: lycheeverse/lychee-action@v1.7.0
+        with:
+          args: >-
+            --verbose
+            --no-progress
+            --cache
+            --max-cache-age 1d
+            packages/mermaid/src/docs/**/*.md
+            README.md
+            README.zh-CN.md
+          fail: true
+          jobSummary: true
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/lint.yml

@@ -0,0 +1,71 @@
+name: Lint
+
+on:
+  push: {}
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - ready_for_review
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x]
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+        # uses version from "packageManager" field in package.json
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          cache: pnpm
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install Packages
+        run: |
+          pnpm install --frozen-lockfile
+        env:
+          CYPRESS_CACHE_FOLDER: .cache/Cypress
+
+      - name: Run Linting
+        shell: bash
+        run: |
+          if ! pnpm run lint; then
+              # print a nice error message on lint failure
+              ERROR_MESSAGE='Running `pnpm run lint` failed.'
+              ERROR_MESSAGE+=' Running `pnpm run lint:fix` may fix this issue. '
+              ERROR_MESSAGE+=" If this error doesn't occur on your local machine,"
+              ERROR_MESSAGE+=' make sure your packages are up-to-date by running `pnpm install`.'
+              ERROR_MESSAGE+=' You may also need to delete your prettier cache by running'
+              ERROR_MESSAGE+=' `rm ./node_modules/.cache/prettier/.prettier-cache`.'
+              echo "::error title=Lint failure::${ERROR_MESSAGE}"
+              # make sure to return an error exitcode so that GitHub actions shows a red-cross
+              exit 1
+          fi
+
+      - name: Verify Docs
+        id: verifyDocs
+        working-directory: ./packages/mermaid
+        continue-on-error: ${{ github.event_name == 'push' }}
+        run: pnpm run docs:verify
+
+      - name: Rebuild Docs
+        if: ${{ steps.verifyDocs.outcome == 'failure' && github.event_name == 'push' }}
+        working-directory: ./packages/mermaid
+        run: pnpm run docs:build
+
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        if: ${{ steps.verifyDocs.outcome == 'failure' && github.event_name == 'push' }}
+        with:
+          message: 'Update docs'
+          add: 'docs/*'

.github/workflows/pr-labeler-config-validator.yml

@@ -0,0 +1,19 @@
+name: Validate PR Labeler Configuration
+on:
+  push: {}
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - ready_for_review
+
+jobs:
+  pr-labeler:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+      - name: Validate Configuration
+        uses: Yash-Singh1/pr-labeler-config-validator@releases/v0.0.3
+        with:
+          configuration-path: .github/pr-labeler.yml

.github/workflows/pr-labeler.yml

@@ -0,0 +1,13 @@
+name: Apply labels to PR
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  pr-labeler:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Label PR
+        uses: TimonVS/pr-labeler-action@v4
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/publish-docs.yml

@@ -0,0 +1,59 @@
+name: Deploy Vitepress docs to Pages
+
+on:
+  # Runs on pushes targeting the default branch
+  push:
+    branches:
+      - master
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow one concurrent deployment
+concurrency:
+  group: 'pages'
+  cancel-in-progress: true
+
+jobs:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          cache: pnpm
+          node-version: 18
+
+      - name: Install Packages
+        run: pnpm install --frozen-lockfile
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+
+      - name: Run Build
+        run: pnpm --filter mermaid run docs:build:vitepress
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          path: packages/mermaid/src/vitepress/.vitepress/dist
+
+  # Deployment job
+  deploy:
+    environment:
+      name: github-pages
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2

.github/workflows/release-draft.yml

@@ -0,0 +1,15 @@
+name: Draft Release
+
+on:
+  push:
+    branches:
+      - develop
+
+jobs:
+  draft-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Draft Release
+        uses: toolmantim/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release-preview-publish.yml

@@ -0,0 +1,44 @@
+name: Publish release preview package
+
+on:
+  push:
+    branches:
+      - 'release/**'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: pnpm/action-setup@v2
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          cache: pnpm
+          node-version: 18.x
+
+      - name: Install Packages
+        run: |
+          pnpm install --frozen-lockfile
+        env:
+          CYPRESS_CACHE_FOLDER: .cache/Cypress
+
+      - name: Install Json
+        run: npm i json --global
+
+      - name: Publish
+        working-directory: ./packages/mermaid
+        run: |
+          PREVIEW_VERSION=$(git log --oneline "origin/$GITHUB_REF_NAME" ^"origin/master" | wc -l)
+          VERSION=$(echo ${{github.ref}} | tail -c +20)-preview.$PREVIEW_VERSION
+          echo $VERSION
+          npm version --no-git-tag-version --allow-same-version $VERSION
+          npm set //npm.pkg.github.com/:_authToken ${{ secrets.GITHUB_TOKEN }}
+          npm set registry https://npm.pkg.github.com/mermaid-js
+          json -I -f package.json -e 'this.name="@mermaid-js/mermaid"' # Package name needs to be set to a scoped one because GitHub registry requires this
+          json -I -f package.json -e 'this.repository="git://github.com/mermaid-js/mermaid"' # Repo url needs to have a specific format too
+          npm publish

.github/workflows/release-publish.yml

@@ -0,0 +1,47 @@
+name: Publish release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: fregante/setup-git-user@v2
+
+      - uses: pnpm/action-setup@v2
+        # uses version from "packageManager" field in package.json
+
+      - name: Setup Node.js v18
+        uses: actions/setup-node@v3
+        with:
+          cache: pnpm
+          node-version: 18.x
+
+      - name: Install Packages
+        run: |
+          pnpm install --frozen-lockfile
+          npm i json --global
+        env:
+          CYPRESS_CACHE_FOLDER: .cache/Cypress
+
+      - name: Prepare release
+        run: |
+          VERSION=${GITHUB_REF:10}
+          echo "Preparing release $VERSION"
+          git checkout -t origin/release/$VERSION
+          npm version --no-git-tag-version --allow-same-version $VERSION
+          git add package.json
+          git commit -nm "Bump version $VERSION"
+          git checkout -t origin/master
+          git merge -m "Release $VERSION" --no-ff release/$VERSION
+          git push --no-verify
+
+      - name: Publish
+        run: |
+          npm set //registry.npmjs.org/:_authToken $NPM_TOKEN
+          npm publish
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/test.yml

@@ -0,0 +1,51 @@
+name: Unit Tests
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x]
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: pnpm/action-setup@v2
+        # uses version from "packageManager" field in package.json
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          cache: pnpm
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install Packages
+        run: |
+          pnpm install --frozen-lockfile
+        env:
+          CYPRESS_CACHE_FOLDER: .cache/Cypress
+
+      - name: Run Unit Tests
+        run: |
+          pnpm run ci --coverage
+
+      - name: Run ganttDb tests using California timezone
+        env:
+          # Makes sure that gantt db works even in a timezone that has daylight savings
+          # since some days have 25 hours instead of 24.
+          TZ: America/Los_Angeles
+        run: |
+          pnpm exec vitest run ./packages/mermaid/src/diagrams/gantt/ganttDb.spec.ts
+
+      - name: Upload Coverage to Coveralls
+        # it feels a bit weird to use @master, but that's what the docs use
+        # (coveralls also doesn't publish a @v1 we can use)
+        # https://github.com/marketplace/actions/coveralls-github-action
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          flag-name: unit

.github/workflows/unlock-reopened-issues.yml

@@ -0,0 +1,13 @@
+name: Unlock reopened issue
+
+on:
+  issues:
+    types: [reopened]
+
+jobs:
+  triage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: Dunning-Kruger/unlock-issues@v1
+        with:
+          repo-token: '${{ secrets.GITHUB_TOKEN }}'

.github/workflows/update-browserlist.yml

@@ -0,0 +1,18 @@
+name: Update Browserslist
+on:
+  schedule:
+    - cron: '0 7 * * 1'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: npx browserslist@latest --update-db
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          author_name: ${{ github.actor }}
+          author_email: ${{ github.actor }}@users.noreply.github.com
+          message: 'chore: update browsers list'

.gitignore

@@ -1 +1,38 @@
-node_modules/*
+.DS_Store
+
+node_modules/
+coverage/
+.idea/
+
+dist
+
+yarn-error.log
+.npmrc
+token
+
+package-lock.json
+
+# ignore files in /.vscode/ except for launch.json and extensions.json
+/.vscode/**
+!/.vscode/launch.json
+!/.vscode/extensions.json
+
+cypress/platform/current.html
+cypress/platform/experimental.html
+local/
+
+_site
+Gemfile.lock
+/.vs
+
+cypress/screenshots/
+cypress/snapshots/
+
+# eslint --cache file
+.eslintcache
+.tsbuildinfo
+tsconfig.tsbuildinfo
+
+knsv*.html
+local*.html
+stats/

.husky/commit-msg

@@ -0,0 +1,4 @@
+#!/bin/sh
+# . "$(dirname "$0")/_/husky.sh"
+
+# npx --no-install commitlint --edit $1

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+pnpm run pre-commit

.lintstagedrc.mjs

@@ -0,0 +1,11 @@
+export default {
+  '!(docs/**/*)*.{ts,js,json,html,md,mts}': [
+    'eslint --cache --cache-strategy content --fix',
+    // don't cache prettier yet, since we use `prettier-plugin-jsdoc`,
+    // and prettier doesn't invalidate cache on plugin updates"
+    // https://prettier.io/docs/en/cli.html#--cache
+    'prettier --write',
+  ],
+  'cSpell.json': ['ts-node-esm scripts/fixCSpell.ts'],
+  '**/*.jison': ['pnpm -w run lint:jison'],
+};

.lycheeignore

@@ -0,0 +1,11 @@
+# These links are ignored by our link checker https://github.com/lycheeverse/lychee
+# The file allows you to list multiple regular expressions for exclusion (one pattern per line).
+
+# Network error: Forbidden
+https://codepen.io
+
+# Timeout error, maybe Twitter has anti-bot defenses against GitHub's CI servers?
+https://twitter.com/mermaidjs_
+
+# Don't check files that are generated during the build via `pnpm docs:code`
+packages/mermaid/src/docs/config/setup/*

.npmrc

@@ -0,0 +1,2 @@
+auto-install-peers=true
+strict-peer-dependencies=false

.prettierignore

@@ -0,0 +1,7 @@
+dist
+cypress/platform/xss3.html
+.cache
+coverage
+# Autogenerated by PNPM
+pnpm-lock.yaml
+stats

.prettierrc.json

@@ -0,0 +1,7 @@
+{
+  "endOfLine": "auto",
+  "printWidth": 100,
+  "singleQuote": true,
+  "useTabs": false,
+  "tabWidth": 2
+}

.travis.yml

@@ -1,8 +0,0 @@
-    language: node_js
-    node_js:
-        - "0.10"
-    addons:
-       code_climate:
-         repo_token: e87e6bf1c253e0555437ebd23235fdfe2749b889358e7c6d100e4ea5b4f2e091
-    after_script:
-        - cat coverage/lcov.info | codeclimate

.vite/build.ts

@@ -0,0 +1,155 @@
+import { build, InlineConfig, type PluginOption } from 'vite';
+import { resolve } from 'path';
+import { fileURLToPath } from 'url';
+import jisonPlugin from './jisonPlugin.js';
+import { readFileSync } from 'fs';
+import typescript from '@rollup/plugin-typescript';
+import { visualizer } from 'rollup-plugin-visualizer';
+import type { TemplateType } from 'rollup-plugin-visualizer/dist/plugin/template-types.js';
+
+const visualize = process.argv.includes('--visualize');
+const watch = process.argv.includes('--watch');
+const mermaidOnly = process.argv.includes('--mermaid');
+const __dirname = fileURLToPath(new URL('.', import.meta.url));
+const sourcemap = false;
+
+type OutputOptions = Exclude<
+  Exclude<InlineConfig['build'], undefined>['rollupOptions'],
+  undefined
+>['output'];
+
+const visualizerOptions = (packageName: string, core = false): PluginOption[] => {
+  if (packageName !== 'mermaid' || !visualize) {
+    return [];
+  }
+  return ['network', 'treemap', 'sunburst'].map(
+    (chartType) =>
+      visualizer({
+        filename: `./stats/${chartType}${core ? '.core' : ''}.html`,
+        template: chartType as TemplateType,
+        gzipSize: true,
+        brotliSize: true,
+      }) as PluginOption
+  );
+};
+
+const packageOptions = {
+  mermaid: {
+    name: 'mermaid',
+    packageName: 'mermaid',
+    file: 'mermaid.ts',
+  },
+  'mermaid-example-diagram': {
+    name: 'mermaid-example-diagram',
+    packageName: 'mermaid-example-diagram',
+    file: 'detector.ts',
+  },
+};
+
+interface BuildOptions {
+  minify: boolean | 'esbuild';
+  core?: boolean;
+  watch?: boolean;
+  entryName: keyof typeof packageOptions;
+}
+
+export const getBuildConfig = ({ minify, core, watch, entryName }: BuildOptions): InlineConfig => {
+  const external: (string | RegExp)[] = ['require', 'fs', 'path'];
+  console.log(entryName, packageOptions[entryName]);
+  const { name, file, packageName } = packageOptions[entryName];
+  let output: OutputOptions = [
+    {
+      name,
+      format: 'esm',
+      sourcemap,
+      entryFileNames: `${name}.esm${minify ? '.min' : ''}.mjs`,
+    },
+    {
+      name,
+      format: 'umd',
+      sourcemap,
+      entryFileNames: `${name}${minify ? '.min' : ''}.js`,
+    },
+  ];
+
+  if (core) {
+    const { dependencies } = JSON.parse(
+      readFileSync(resolve(__dirname, `../packages/${packageName}/package.json`), 'utf-8')
+    );
+    // Core build is used to generate file without bundled dependencies.
+    // This is used by downstream projects to bundle dependencies themselves.
+    // Ignore dependencies and any dependencies of dependencies
+    // Adapted from the RegEx used by `rollup-plugin-node`
+    external.push(new RegExp('^(?:' + Object.keys(dependencies).join('|') + ')(?:/.+)?$'));
+    // This needs to be an array. Otherwise vite will build esm & umd with same name and overwrite esm with umd.
+    output = [
+      {
+        name,
+        format: 'esm',
+        sourcemap,
+        entryFileNames: `${name}.core.mjs`,
+      },
+    ];
+  }
+
+  const config: InlineConfig = {
+    configFile: false,
+    build: {
+      emptyOutDir: false,
+      outDir: resolve(__dirname, `../packages/${packageName}/dist`),
+      lib: {
+        entry: resolve(__dirname, `../packages/${packageName}/src/${file}`),
+        name,
+        // the proper extensions will be added
+        fileName: name,
+      },
+      minify,
+      rollupOptions: {
+        external,
+        output,
+      },
+    },
+    resolve: {
+      extensions: [],
+    },
+    plugins: [
+      jisonPlugin(),
+      // @ts-expect-error According to the type definitions, rollup plugins are incompatible with vite
+      typescript({ compilerOptions: { declaration: false } }),
+      ...visualizerOptions(packageName, core),
+    ],
+  };
+
+  if (watch && config.build) {
+    config.build.watch = {
+      include: ['packages/mermaid-example-diagram/src/**', 'packages/mermaid/src/**'],
+    };
+  }
+
+  return config;
+};
+
+const buildPackage = async (entryName: keyof typeof packageOptions) => {
+  await build(getBuildConfig({ minify: false, entryName }));
+  await build(getBuildConfig({ minify: 'esbuild', entryName }));
+  await build(getBuildConfig({ minify: false, core: true, entryName }));
+};
+
+const main = async () => {
+  const packageNames = Object.keys(packageOptions) as (keyof typeof packageOptions)[];
+  for (const pkg of packageNames.filter((pkg) => !mermaidOnly || pkg === 'mermaid')) {
+    await buildPackage(pkg);
+  }
+};
+
+if (watch) {
+  build(getBuildConfig({ minify: false, watch, core: false, entryName: 'mermaid' }));
+  if (!mermaidOnly) {
+    build(getBuildConfig({ minify: false, watch, entryName: 'mermaid-example-diagram' }));
+  }
+} else if (visualize) {
+  await build(getBuildConfig({ minify: false, core: true, entryName: 'mermaid' }));
+  await build(getBuildConfig({ minify: false, core: false, entryName: 'mermaid' }));
+} else {
+  void main();
+}

.vite/jisonPlugin.ts

@@ -0,0 +1,17 @@
+import { transformJison } from './jisonTransformer.js';
+const fileRegex = /\.(jison)$/;
+
+export default function jison() {
+  return {
+    name: 'jison',
+
+    transform(src: string, id: string) {
+      if (fileRegex.test(id)) {
+        return {
+          code: transformJison(src),
+          map: null, // provide source map if available
+        };
+      }
+    },
+  };
+}

.vite/jisonTransformer.ts

@@ -0,0 +1,17 @@
+// @ts-ignore No typings for jison
+import jison from 'jison';
+
+export const transformJison = (src: string): string => {
+  // @ts-ignore No typings for jison
+  const parser = new jison.Generator(src, {
+    moduleType: 'js',
+    'token-stack': true,
+  });
+  const source = parser.generate({ moduleMain: '() => {}' });
+  const exporter = `
+	parser.parser = parser;
+	export { parser };
+	export default parser;
+	`;
+  return `${source} ${exporter}`;
+};

.vite/server.ts

@@ -0,0 +1,28 @@
+import express from 'express';
+import cors from 'cors';
+import { createServer as createViteServer } from 'vite';
+
+async function createServer() {
+  const app = express();
+
+  // Create Vite server in middleware mode
+  const vite = await createViteServer({
+    configFile: './vite.config.ts',
+    mode: 'production',
+    server: { middlewareMode: true },
+    appType: 'custom', // don't include Vite's default HTML handling middleware
+  });
+
+  app.use(cors());
+  app.use(express.static('./packages/mermaid/dist'));
+  app.use(express.static('./packages/mermaid-example-diagram/dist'));
+  app.use(vite.middlewares);
+  app.use(express.static('demos'));
+  app.use(express.static('cypress/platform'));
+
+  app.listen(9000, () => {
+    console.log(`Listening on http://localhost:9000`);
+  });
+}
+
+createServer();

.vscode/extensions.json

@@ -0,0 +1,8 @@
+{
+  "recommendations": [
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode",
+    "zixuanchen.vitest-explorer",
+    "luniclynx.bison"
+  ]
+}

.vscode/launch.json

@@ -0,0 +1,28 @@
+{
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Debug Current Test File",
+      "autoAttachChildProcesses": true,
+      "skipFiles": ["<node_internals>/**", "**/node_modules/**"],
+      "program": "${workspaceRoot}/node_modules/vitest/vitest.mjs",
+      "args": ["run", "${relativeFile}"],
+      "smartStep": true,
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "Docs generation",
+      "type": "node",
+      "request": "launch",
+      "args": ["src/docs.mts"],
+      "runtimeArgs": ["--loader", "ts-node/esm"],
+      "cwd": "${workspaceRoot}/packages/mermaid",
+      "skipFiles": ["<node_internals>/**", "**/node_modules/**"],
+      "smartStep": true,
+      "internalConsoleOptions": "openOnSessionStart"
+    }
+  ]
+}

CODE_OF_CONDUCT.md

@@ -0,0 +1,128 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+We as members, contributors, and leaders pledge to make participation in our
+community a harassment-free experience for everyone, regardless of age, body
+size, visible or invisible disability, ethnicity, sex characteristics, gender
+identity and expression, level of experience, education, socio-economic status,
+nationality, personal appearance, race, religion, or sexual identity
+and orientation.
+
+We pledge to act and interact in ways that contribute to an open, welcoming,
+diverse, inclusive, and healthy community.
+
+## Our Standards
+
+Examples of behavior that contributes to a positive environment for our
+community include:
+
+- Demonstrating empathy and kindness toward other people
+- Being respectful of differing opinions, viewpoints, and experiences
+- Giving and gracefully accepting constructive feedback
+- Accepting responsibility and apologizing to those affected by our mistakes,
+  and learning from the experience
+- Focusing on what is best not just for us as individuals, but for the
+  overall community
+
+Examples of unacceptable behavior include:
+
+- The use of sexualized language or imagery, and sexual attention or
+  advances of any kind
+- Trolling, insulting or derogatory comments, and personal or political attacks
+- Public or private harassment
+- Publishing others' private information, such as a physical or email
+  address, without their explicit permission
+- Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Enforcement Responsibilities
+
+Community leaders are responsible for clarifying and enforcing our standards of
+acceptable behavior and will take appropriate and fair corrective action in
+response to any behavior that they deem inappropriate, threatening, offensive,
+or harmful.
+
+Community leaders have the right and responsibility to remove, edit, or reject
+comments, commits, code, wiki edits, issues, and other contributions that are
+not aligned to this Code of Conduct, and will communicate reasons for moderation
+decisions when appropriate.
+
+## Scope
+
+This Code of Conduct applies within all community spaces, and also applies when
+an individual is officially representing the community in public spaces.
+Examples of representing our community include using an official e-mail address,
+posting via an official social media account, or acting as an appointed
+representative at an online or offline event.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported to the community leaders responsible for enforcement at security@mermaid.live
+.
+All complaints will be reviewed and investigated promptly and fairly.
+
+All community leaders are obligated to respect the privacy and security of the
+reporter of any incident.
+
+## Enforcement Guidelines
+
+Community leaders will follow these Community Impact Guidelines in determining
+the consequences for any action they deem in violation of this Code of Conduct:
+
+### 1. Correction
+
+**Community Impact**: Use of inappropriate language or other behavior deemed
+unprofessional or unwelcome in the community.
+
+**Consequence**: A private, written warning from community leaders, providing
+clarity around the nature of the violation and an explanation of why the
+behavior was inappropriate. A public apology may be requested.
+
+### 2. Warning
+
+**Community Impact**: A violation through a single incident or series
+of actions.
+
+**Consequence**: A warning with consequences for continued behavior. No
+interaction with the people involved, including unsolicited interaction with
+those enforcing the Code of Conduct, for a specified period of time. This
+includes avoiding interactions in community spaces as well as external channels
+like social media. Violating these terms may lead to a temporary or
+permanent ban.
+
+### 3. Temporary Ban
+
+**Community Impact**: A serious violation of community standards, including
+sustained inappropriate behavior.
+
+**Consequence**: A temporary ban from any sort of interaction or public
+communication with the community for a specified period of time. No public or
+private interaction with the people involved, including unsolicited interaction
+with those enforcing the Code of Conduct, is allowed during this period.
+Violating these terms may lead to a permanent ban.
+
+### 4. Permanent Ban
+
+**Community Impact**: Demonstrating a pattern of violation of community
+standards, including sustained inappropriate behavior, harassment of an
+individual, or aggression toward or disparagement of classes of individuals.
+
+**Consequence**: A permanent ban from any sort of public interaction within
+the community.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 2.0, available at
+https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
+
+Community Impact Guidelines were inspired by [Mozilla's code of conduct
+enforcement ladder](https://github.com/mozilla/diversity).
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see the FAQ at
+https://www.contributor-covenant.org/faq. Translations are available at
+https://www.contributor-covenant.org/translations.

CONTRIBUTING.md

@@ -0,0 +1,180 @@
+# Contributing
+
+So you want to help? That's great!
+
+![Happy people jumping with excitement](https://media.giphy.com/media/BlVnrxJgTGsUw/giphy.gif)
+
+Here are a few things to know to get you started on the right path.
+
+Below link will help you making a copy of the repository in your local system.
+
+https://docs.github.com/en/get-started/quickstart/fork-a-repo
+
+## Requirements
+
+- [volta](https://volta.sh/) to manage node versions.
+- [Node.js](https://nodejs.org/en/). `volta install node`
+- [pnpm](https://pnpm.io/) package manager. `volta install pnpm`
+
+## Development Installation
+
+```bash
+git clone git@github.com:mermaid-js/mermaid.git
+cd mermaid
+# npx is required for first install as volta support for pnpm is not added yet.
+npx pnpm install
+pnpm test
+```
+
+## Committing code
+
+We make all changes via pull requests. As we have many pull requests from developers new to mermaid, the current approach is to have _knsv, Knut Sveidqvist_ as a main reviewer of changes and merging pull requests. More precisely like this:
+
+- Large changes reviewed by knsv or other developer asked to review by knsv
+- Smaller low-risk changes like dependencies, documentation, etc. can be merged by active collaborators
+- Documentation (updates to the `package/mermaid/src/docs` folder is also allowed via direct commits)
+
+To commit code, create a branch, let it start with the type like feature or bug followed by the issue number for reference and some describing text.
+
+One example:
+
+`feature/945_state_diagrams`
+
+Another:
+
+`bug/123_nasty_bug_branch`
+
+## Committing documentation
+
+Less strict here, it is OK to commit directly in the `develop` branch if you are a collaborator.
+
+The documentation is written in **Markdown**. For more information about Markdown [see the GitHub Markdown help page](https://help.github.com/en/github/writing-on-github/basic-writing-and-formatting-syntax).
+
+### Documentation source files are in [`/packages/mermaid/src/docs`](packages/mermaid/src/docs)
+
+The source files for the project documentation are located in the [`/packages/mermaid/src/docs`](packages/mermaid/src/docs) directory. This is where you should make changes.
+The files under `/packages/mermaid/src/docs` are processed to generate the published documentation, and the resulting files are put into the `/docs` directory.
+
+After editing files in the [`/packages/mermaid/src/docs`](packages/mermaid/src/docs) directory, be sure to run `pnpm install` and `pnpm run --filter mermaid docs:build` locally to build the `/docs` directory.
+
+```mermaid
+flowchart LR
+  classDef default fill:#fff,color:black,stroke:black
+
+  source["files in /packages/mermaid/src/docs\n(changes should be done here)"] -- automatic processing\nto generate the final documentation--> published["files in /docs\ndisplayed on the official documentation site"]
+
+```
+
+You can use `note`, `tip`, `warning` and `danger` in triple backticks to add a note, tip, warning or danger box.
+Do not use vitepress specific markdown syntax `::: warning` as it will not be processed correctly.
+
+````
+```note
+Note content
+```
+
+```tip
+Tip content
+```
+
+```warning
+Warning content
+```
+
+```danger
+Danger content
+```
+
+````
+
+**_DO NOT CHANGE FILES IN `/docs`_**
+
+### The official documentation site
+
+**[The mermaid documentation site](https://mermaid-js.github.io/mermaid/) is powered by [Vitepress](https://vitepress.vuejs.org/), a simple documentation site generator.**
+
+If you want to preview the whole documentation site on your machine:
+
+```sh
+cd packages/mermaid
+pnpm i
+pnpm docs:dev
+```
+
+You can now build and serve the documentation site:
+
+```sh
+pnpm docs:serve
+```
+
+## Branching
+
+Going forward we will use a git flow inspired approach to branching. So development is done in develop, to do the development in the develop.
+
+Once development is done we branch a release branch from develop for testing.
+
+Once the release happens we merge the release branch to master and kill the release branch.
+
+This means... **branch off your pull request from develop**
+
+## Content of a pull request
+
+A new feature has been born. Great! But without the steps below it might just ... fade away ...
+
+### **Add unit tests for the parsing part**
+
+This is important so that, if someone else does a change to the grammar that does not know about this great feature, gets notified early on when that change breaks the parser. Another important aspect is that without proper parsing tests refactoring is pretty much impossible.
+
+### **Add e2e tests**
+
+This tests the rendering and visual appearance of the diagram. This ensures that the rendering of that feature in the e2e will be reviewed in the release process going forward. Less chance that it breaks!
+
+To start working with the e2e tests, run `pnpm run dev` to start the dev server, after that start cypress by running `pnpm exec cypress open` in the mermaid folder.
+
+The rendering tests are very straightforward to create. There is a function imgSnapshotTest. This function takes a diagram in text form, the mermaid options and renders that diagram in cypress.
+
+When running in ci it will take a snapshot of the rendered diagram and compare it with the snapshot from last build and flag for review it if it differs.
+
+This is what a rendering test looks like:
+
+```javascript
+it('should render forks and joins', () => {
+  imgSnapshotTest(
+    `
+    stateDiagram
+    state fork_state <<fork>>
+      [*] --> fork_state
+      fork_state --> State2
+      fork_state --> State3
+
+      state join_state <<join>>
+      State2 --> join_state
+      State3 --> join_state
+      join_state --> State4
+      State4 --> [*]
+    `,
+    { logLevel: 0 }
+  );
+  cy.get('svg');
+});
+```
+
+### **Add documentation for it**
+
+Finally, if it is not in the documentation, no one will know about it and then **no one will use it**. Wouldn't that be sad? With all the effort that was put into the feature?
+
+The source files for documentation are in `/packages/mermaid/src/docs` and are written in markdown. Just pick the right section and start typing. See the [Committing Documentation](#committing-documentation) section for more about how the documentation is generated.
+
+#### Adding to or changing the documentation organization
+
+If you want to add a new section or change the organization (structure), then you need to make sure to **change the side navigation** in `mermaid/src/docs/.vitepress/config.js`.
+
+When changes are committed and then released, they become part of the `master` branch and become part of the published documentation on https://mermaid-js.github.io/mermaid/
+
+## Last words
+
+Don't get daunted if it is hard in the beginning. We have a great community with only encouraging words. So if you get stuck, ask for help and hints in the slack forum. If you want to show off something good, show it off there.
+
+[Join our slack community if you want closer contact!](https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE)
+
+![A superhero wishing you good luck](https://media.giphy.com/media/l49JHz7kJvl6MCj3G/giphy.gif)

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2014 Knut Sveidqvist
+Copyright (c) 2014 - 2022 Knut Sveidqvist
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -19,4 +19,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-

README.md

@@ -1,277 +1,415 @@
-mermaid [![Build Status](https://travis-ci.org/knsv/mermaid.svg?branch=master)](https://travis-ci.org/knsv/mermaid)
-=======
+<p align="center">
+<img src="https://raw.githubusercontent.com/mermaid-js/mermaid/develop/docs/public/favicon.svg" height="150">
+</p>
+<h1 align="center">
+Mermaid
+</h1>
+<p align="center">
+Generate diagrams from markdown-like text.
+<p>
+<p align="center">
+  <a href="https://www.npmjs.com/package/mermaid"><img src="https://img.shields.io/npm/v/mermaid?color=ff3670&label="></a>
+<p>
 
-Generation of diagrams and flowcharts from text in a similar manner as markdown.
+<p align="center">
+<a href="https://mermaid.live/"><b>Live Editor!</b></a>
+</p>
+<p align="center">
+ <a href="https://mermaid.js.org">📖 Documentation</a> | <a href="https://mermaid.js.org/intro/">🚀 Getting Started</a> | <a href="https://www.jsdelivr.com/package/npm/mermaid">🌐 CDN</a> | <a href="https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE" title="Slack invite">🙌 Join Us</a>
+</p>
+<p align="center">
+<a href="./README.zh-CN.md">简体中文</a>
+</p>
 
-Ever wanted to simplify documentation and avoid heavy tools like Visio when explaining your code?
+<br>
+<br>
 
-This is why mermaid was born, a simple markdown-like script language for generating charts from text via javascript.
+[![NPM](https://img.shields.io/npm/v/mermaid)](https://www.npmjs.com/package/mermaid)
+[![Build CI Status](https://github.com/mermaid-js/mermaid/actions/workflows/build.yml/badge.svg)](https://github.com/mermaid-js/mermaid/actions/workflows/build.yml)
+[![npm minified gzipped bundle size](https://img.shields.io/bundlephobia/minzip/mermaid)](https://bundlephobia.com/package/mermaid)
+[![Coverage Status](https://coveralls.io/repos/github/mermaid-js/mermaid/badge.svg?branch=master)](https://coveralls.io/github/mermaid-js/mermaid?branch=master)
+[![CDN Status](https://img.shields.io/jsdelivr/npm/hm/mermaid)](https://www.jsdelivr.com/package/npm/mermaid)
+[![NPM Downloads](https://img.shields.io/npm/dm/mermaid)](https://www.npmjs.com/package/mermaid)
+[![Join our Slack!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=slack&label=slack)](https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE)
+[![Twitter Follow](https://img.shields.io/badge/Social-mermaidjs__-blue?style=social&logo=twitter)](https://twitter.com/mermaidjs_)
 
-The code below would render the following image
+<img src="./img/header.png" alt="" />
+
+:trophy: **Mermaid was nominated and won the [JS Open Source Awards (2019)](https://osawards.com/javascript/2019) in the category "The most exciting use of technology"!!!**
+
+**Thanks to all involved, people committing pull requests, people answering questions! 🙏**
+
+<a href="https://mermaid-js.github.io/mermaid/landing/"><img src="https://github.com/mermaid-js/mermaid/blob/master/docs/intro/img/book-banner-post-release.jpg" alt="Explore Mermaid.js in depth, with real-world examples, tips & tricks from the creator... The first official book on Mermaid is available for purchase. Check it out!"></a>
+
+## About
+
+<!-- <Main description>   -->
+
+Mermaid is a JavaScript-based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. The main purpose of Mermaid is to help documentation catch up with development.
+
+> Doc-Rot is a Catch-22 that Mermaid helps to solve.
+
+Diagramming and documentation costs precious developer time and gets outdated quickly.
+But not having diagrams or docs ruins productivity and hurts organizational learning.<br/>
+Mermaid addresses this problem by enabling users to create easily modifiable diagrams. It can also be made part of production scripts (and other pieces of code).<br/>
+<br/>
+
+Mermaid allows even non-programmers to easily create detailed diagrams through the [Mermaid Live Editor](https://mermaid.live/).<br/>
+[Tutorials](./docs/config/Tutorials.md) has video tutorials.
+Use Mermaid with your favorite applications, check out the list of [Integrations and Usages of Mermaid](./docs/ecosystem/integrations.md).
+
+You can also use Mermaid within [GitHub](https://github.blog/2022-02-14-include-diagrams-markdown-files-mermaid/) as well many of your other favorite applications—check out the list of [Integrations and Usages of Mermaid](./docs/ecosystem/integrations.md).
+
+For a more detailed introduction to Mermaid and some of its more basic uses, look to the [Beginner's Guide](./docs/community/n00b-overview.md), [Usage](./docs/config/usage.md) and [Tutorials](./docs/config/Tutorials.md).
+
+In our release process we rely heavily on visual regression tests using [applitools](https://applitools.com/). Applitools is a great service which has been easy to use and integrate with our tests.
+
+<a href="https://applitools.com/">
+<svg width="170" height="32" viewBox="0 0 170 32" fill="none" xmlns="http://www.w3.org/2000/svg"><mask id="a" maskUnits="userSpaceOnUse" x="27" y="0" width="143" height="32"><path fill-rule="evenodd" clip-rule="evenodd" d="M27.732.227h141.391v31.19H27.733V.227z" fill="#fff"></path></mask><g mask="url(#a)"><path fill-rule="evenodd" clip-rule="evenodd" d="M153.851 22.562l1.971-3.298c1.291 1.219 3.837 2.402 5.988 2.402 1.971 0 2.903-.753 2.903-1.829 0-2.832-10.253-.502-10.253-7.313 0-2.904 2.51-5.45 7.099-5.45 2.904 0 5.234 1.004 6.955 2.367l-1.829 3.226c-1.039-1.075-3.011-2.008-5.126-2.008-1.65 0-2.725.717-2.725 1.685 0 2.546 10.289.395 10.289 7.386 0 3.19-2.724 5.52-7.528 5.52-3.012 0-5.916-1.003-7.744-2.688zm-5.7 2.259h4.553V.908h-4.553v23.913zm-6.273-8.676c0-2.689-1.578-5.02-4.446-5.02-2.832 0-4.409 2.331-4.409 5.02 0 2.724 1.577 5.055 4.409 5.055 2.868 0 4.446-2.33 4.446-5.055zm-13.588 0c0-4.912 3.442-9.07 9.142-9.07 5.736 0 9.178 4.158 9.178 9.07 0 4.911-3.442 9.106-9.178 9.106-5.7 0-9.142-4.195-9.142-9.106zm-5.628 0c0-2.689-1.577-5.02-4.445-5.02-2.832 0-4.41 2.331-4.41 5.02 0 2.724 1.578 5.055 4.41 5.055 2.868 0 4.445-2.33 4.445-5.055zm-13.587 0c0-4.912 3.441-9.07 9.142-9.07 5.736 0 9.178 4.158 9.178 9.07 0 4.911-3.442 9.106-9.178 9.106-5.701 0-9.142-4.195-9.142-9.106zm-8.425 4.338v-8.999h-2.868v-3.98h2.868V2.773h4.553v4.733h3.514v3.979h-3.514v7.78c0 1.111.574 1.936 1.578 1.936.681 0 1.326-.251 1.577-.538l.968 3.478c-.681.609-1.9 1.11-3.8 1.11-3.191 0-4.876-1.648-4.876-4.767zm-8.962 4.338h4.553V7.505h-4.553V24.82zm-.43-21.905a2.685 2.685 0 012.688-2.69c1.506 0 2.725 1.184 2.725 2.69a2.724 2.724 0 01-2.725 2.724c-1.47 0-2.688-1.219-2.688-2.724zM84.482 24.82h4.553V.908h-4.553v23.913zm-6.165-8.676c0-2.976-1.793-5.02-4.41-5.02-1.47 0-3.119.825-3.908 1.973v6.094c.753 1.111 2.438 2.008 3.908 2.008 2.617 0 4.41-2.044 4.41-5.055zm-8.318 6.453v8.82h-4.553V7.504H70v2.187c1.327-1.685 3.227-2.618 5.342-2.618 4.446 0 7.672 3.299 7.672 9.07 0 5.773-3.226 9.107-7.672 9.107-2.043 0-3.907-.86-5.342-2.653zm-10.718-6.453c0-2.976-1.793-5.02-4.41-5.02-1.47 0-3.119.825-3.908 1.973v6.094c.753 1.111 2.438 2.008 3.908 2.008 2.617 0 4.41-2.044 4.41-5.055zm-8.318 6.453v8.82H46.41V7.504h4.553v2.187c1.327-1.685 3.227-2.618 5.342-2.618 4.446 0 7.672 3.299 7.672 9.07 0 5.773-3.226 9.107-7.672 9.107-2.043 0-3.908-.86-5.342-2.653zm-11.758-1.936V18.51c-.753-1.004-2.187-1.542-3.657-1.542-1.793 0-3.263.968-3.263 2.617 0 1.65 1.47 2.582 3.263 2.582 1.47 0 2.904-.502 3.657-1.506zm0 4.159v-1.829c-1.183 1.434-3.227 2.259-5.485 2.259-2.761 0-5.988-1.864-5.988-5.736 0-4.087 3.227-5.593 5.988-5.593 2.33 0 4.337.753 5.485 2.115V13.85c0-1.756-1.506-2.904-3.8-2.904-1.829 0-3.55.717-4.984 2.044L28.63 9.8c2.115-1.901 4.84-2.726 7.564-2.726 3.98 0 7.6 1.578 7.6 6.561v11.186h-4.588z" fill="#00A298"></path></g><path fill-rule="evenodd" clip-rule="evenodd" d="M14.934 16.177c0 1.287-.136 2.541-.391 3.752-1.666-1.039-3.87-2.288-6.777-3.752 2.907-1.465 5.11-2.714 6.777-3.753.255 1.211.39 2.466.39 3.753m4.6-7.666V4.486a78.064 78.064 0 01-4.336 3.567c-1.551-2.367-3.533-4.038-6.14-5.207C11.1 4.658 12.504 6.7 13.564 9.262 5.35 15.155 0 16.177 0 16.177s5.35 1.021 13.564 6.915c-1.06 2.563-2.463 4.603-4.507 6.415 2.607-1.169 4.589-2.84 6.14-5.207a77.978 77.978 0 014.336 3.568v-4.025s-.492-.82-2.846-2.492c.6-1.611.93-3.354.93-5.174a14.8 14.8 0 00-.93-5.174c2.354-1.673 2.846-2.492 2.846-2.492" fill="#00A298"></path></svg>
+</a>
+
+<!-- </Main description> -->
+
+## Examples
+
+**The following are some examples of the diagrams, charts and graphs that can be made using Mermaid. Click here to jump into the [text syntax](https://mermaid-js.github.io/mermaid/#/n00b-syntaxReference).**
+
+<!-- <Flowchart> -->
+
+### Flowchart [<a href="https://mermaid-js.github.io/mermaid/#/flowchart">docs</a> - <a href="https://mermaid.live/edit#pako:eNpNkMtqwzAQRX9FzKqFJK7t1km8KDQP6KJQSLOLvZhIY1tgS0GWmgbb_165IaFaiXvOFTPqgGtBkEJR6zOv0Fj2scsU8-ft8I5G5Gw6fe339GN7tnrYaafE45WvRsLW3Ya4bKVWwzVe_xU-FfVsc9hR62rLwvw_2591z7Y3FuUwgYZMg1L4ObrRzMBW1FAGqb8KKtCLGWRq8Ko7CbS0FdJqA2mBdUsTQGf110VxSK1xdJM2EkuDzd2qNQrypQ7s5TQuXcrW-ie5VoUsx9yZ2seVtac2DYIRz0ppK3eccd0ErRTjD1XfyyRIomSBUUzJPMaXOBb8GC4XRfQcFmL-FEYIwzD8AggvcHE">live editor</a>]
 
 ```
-graph TD;
-    A-->B;
-    A-->C;
-    B-->D;
-    C-->D;
+flowchart LR
+
+A[Hard] -->|Text| B(Round)
+B --> C{Decision}
+C -->|One| D[Result 1]
+C -->|Two| E[Result 2]
 ```
 
-would render this lovely chart:
+```mermaid
+flowchart LR
 
-![Example 1](http://www.sveido.com/mermaid/img/ex1.png)
-
-A simple page with a live example can be seen [here](http://www.sveido.com/mermaid/simpleExample.html). You can also look at mermaid in action using [jsbin](http://jsbin.com/faxunexeku/1/edit?html,output).
-#Installation
-
-Either use the bower package manager as per below:
-
-```
-bower install mermaid --save-dev
+A[Hard] -->|Text| B(Round)
+B --> C{Decision}
+C -->|One| D[Result 1]
+C -->|Two| E[Result 2]
 ```
 
-Or download javascript files:
-
-* [mermaid including dependencies](http://www.sveido.com/mermaid/dist/mermaid.full.min.js)
-
-This file bundles mermaid with d3 and dagre-d3.
-
-* [mermaid without dependencies](http://www.sveido.com/mermaid/dist/mermaid.slim.min.js)
-
-With this file you will need to include d3 and dagre-d3 yourself.
-
-# Usage
-
-Include mermaid on your web page:
+### Sequence diagram [<a href="https://mermaid-js.github.io/mermaid/#/sequenceDiagram">docs</a> - <a href="https://mermaid.live/edit#pako:eNo9kMluwjAQhl_F-AykQMuSA1WrbuLQQ3v1ZbAnsVXHkzrjVhHi3etQwKfRv4w-z0FqMihL2eF3wqDxyUEdoVHhwTuNk-12RzaU4g29JzHMY2HpV0BE0VO6V8ETtdkGz1Zb1F8qiPyG5LX84mrLAmpwoWNh-5a0pWCiAxUwGBXeiVHEU4oq8V_6AHYUwAu2lLLTjVQ4bc1rT2yleI0IfJG320faZ9ABbk-Jz3hZnFxBduR9L2oiM5Jj2WBswJn8-cMArSRbbFDJMo8GK0ielVThmKOpNcD4bBxTlGUFvsOxhMT02QctS44JL6HzAS-iJzCYOwfJfTscunYd542aQuXqQU_RZ9kyt11ZFIM9rR3btJ9qaorOGQuR7c9mWSznyzXMF7hcLeBusTB6P9usq_ntrDKrm9kc5PF4_AMJE56Z">live editor</a>]
 
 ```
-<script src="mermaid.full.min.js"></script>
+sequenceDiagram
+Alice->>John: Hello John, how are you?
+loop Healthcheck
+    John->>John: Fight against hypochondria
+end
+Note right of John: Rational thoughts!
+John-->>Alice: Great!
+John->>Bob: How about you?
+Bob-->>John: Jolly good!
 ```
 
-Further down on your page mermaid will look for tags with ```class="mermaid"```. From these tags mermaid will try to
-read the chart definiton which will be replaced with the svg chart.
-
-
-A chart defined like this:
-```
-<div class="mermaid">
-    CHART DEFINITION GOES HERE
-</div>
+```mermaid
+sequenceDiagram
+Alice->>John: Hello John, how are you?
+loop Healthcheck
+    John->>John: Fight against hypochondria
+end
+Note right of John: Rational thoughts!
+John-->>Alice: Great!
+John->>Bob: How about you?
+Bob-->>John: Jolly good!
 ```
 
-Would end up like this:
-```
-<div class="mermaid" id="mermaidChart0">
-    <svg>
-        Chart ends up here
-    </svg>
-</div>
-```
-An id is also added to mermaid tags without id.
-
-
-# A graph example
+### Gantt chart [<a href="https://mermaid-js.github.io/mermaid/#/gantt">docs</a> - <a href="https://mermaid.live/edit#pako:eNp90cGOgyAQBuBXIZxtFbG29bbZ3fsmvXKZylhJEAyOTZrGd1_sto3xsHMBhu-HBO689hp5xS_giJQbsCbjHTv9jcp9-q63SKhZpb3DhMXSOIiE5ZkoNpnYZGXynh6U-4jBK7JnVfBYJo9QvgjtEya1cj8QwFq0TMz4lZqxTBg0hOF5m1jifI2Lf7Bc490CyxUu1rhc4GLGPOEdhg6Mjq92V44xxanFDhWv4lRjA6MlxZWbIh17DYTf2pAPvGrADphwGMmfbq7mFYURX-jLwCVA91bWg8YYunO69Y8vMgPFI2vvGnOZ-2Owsd0S9UOVpvP29mKoHc_b2nfpYHQLgdrrsUzLvDxALrHcS9hJqeuzOB6avBCN3mciBz5N0y_wxZ0J">live editor</a>]
 
 ```
-graph LR;
-    A[Hard edge]-->|Link text|B(Round edge);
-    B-->C{Decision};
-    C-->|One|D[Result one];
-    C-->|Two|E[Result two];
+gantt
+    section Section
+    Completed :done,    des1, 2014-01-06,2014-01-08
+    Active        :active,  des2, 2014-01-07, 3d
+    Parallel 1   :         des3, after des1, 1d
+    Parallel 2   :         des4, after des1, 1d
+    Parallel 3   :         des5, after des3, 1d
+    Parallel 4   :         des6, after des4, 1d
 ```
 
-![Example 2](http://www.sveido.com/mermaid/img/ex2.png)
-
-
-#Syntax
-## Graph
-This statement declares a new graph and the direction of the graph layout.
-
-```
-graph TD
+```mermaid
+gantt
+    section Section
+    Completed :done,    des1, 2014-01-06,2014-01-08
+    Active        :active,  des2, 2014-01-07, 3d
+    Parallel 1   :         des3, after des1, 1d
+    Parallel 2   :         des4, after des1, 1d
+    Parallel 3   :         des5, after des3, 1d
+    Parallel 4   :         des6, after des4, 1d
 ```
 
-This declares a graph oriented from top to bottom.
-
-![Example 3](http://www.sveido.com/mermaid/img/ex3.png)
+### Class diagram [<a href="https://mermaid-js.github.io/mermaid/#/classDiagram">docs</a> - <a href="https://mermaid.live/edit#pako:eNpdkTFPwzAQhf-K5QlQ2zQJJG1UBaGWDYmBgYEwXO1LYuTEwXYqlZL_jt02asXm--690zvfgTLFkWaUSTBmI6DS0BTt2lfzkKx-p1PytEO9f1FtdaQkI2ulZNGuVqK1qEtgmOfk7BitSzKdOhg59XuNGgk0RDxed-_IOr6uf8cZ6UhTZ8bvHqS5ub1mr9svZPbjk6DEBlu7AQuXyBkx4gcvDk9cUMJq0XT_YaW0kNK5j-ufAoRzcihaQvLcoN4Jv50vvVxw_xrnD3RCG9QNCO4-8OgpqK1dpoJm7smxhF7agp6kfcfB4jMXVmmalW4tnFDorXrbt4xmVvc4is53GKFUwNF5DtTuO3-sShjrJjLVlqLyvNfS4drazmRB4NuzSti6386YagIjeA3a1rtlEiRRsoAoxiSN4SGOOduGy0UZ3YclT-dhBHQYhj8dc6_I">live editor</a>]
 
 ```
-graph LR
+classDiagram
+Class01 <|-- AveryLongClass : Cool
+<<Interface>> Class01
+Class09 --> C2 : Where am I?
+Class09 --* C3
+Class09 --|> Class07
+Class07 : equals()
+Class07 : Object[] elementData
+Class01 : size()
+Class01 : int chimp
+Class01 : int gorilla
+class Class10 {
+  <<service>>
+  int id
+  size()
+}
 ```
 
-This declares a graph oriented from left to right.
-
-Possible directions are:
-
-* TB - top bottom
-* BT - bottom top
-* RL - right left
-* LR - left right
-* TD - same as TB
-
-![Example 4](http://www.sveido.com/mermaid/img/ex4.png)
-
-## Nodes
-
-### A node (default)
-```
-id1;
+```mermaid
+classDiagram
+Class01 <|-- AveryLongClass : Cool
+<<Interface>> Class01
+Class09 --> C2 : Where am I?
+Class09 --* C3
+Class09 --|> Class07
+Class07 : equals()
+Class07 : Object[] elementData
+Class01 : size()
+Class01 : int chimp
+Class01 : int gorilla
+class Class10 {
+  <<service>>
+  int id
+  size()
+}
 ```
 
-![Single node](http://www.sveido.com/mermaid/img/ex5.png)
-
-Note that the id is what is displayed in the box.
-
-### A node with text
-It is also possible to set text in the box that differs from the id. If this is done several times, it is the last text
-found for the node that will be used. Also if you define edges for the node later on, you can omit text definitions. The
-one previously defined will be used when rendering the box.
+### State diagram [<a href="https://mermaid-js.github.io/mermaid/#/stateDiagram">docs</a> - <a href="https://mermaid.live/edit#pako:eNpdkEFvgzAMhf8K8nEqpYSNthx22Xbcqcexg0sCiZQQlDhIFeK_L8A6TfXp6fOz9ewJGssFVOAJSbwr7ByadGR1n8T6evpO0vQ1uZDSekOrXGFsPqJPO6q-2-imH8f_0TeHXm50lfelsAMjnEHFY6xpMdRAUhhRQxUlFy0GTTXU_RytYeAx-AdXZB1ULWovdoCB7OXWN1CRC-Ju-r3uz6UtchGHJqDbsPygU57iysb2reoWHpyOWBINvsqypb3vFMlw3TfWZF5xiY7keC6zkpUnZIUojwW-FAVvrvn51LLnvOXHQ84Q5nn-AVtLcwk">live editor</a>]
 
 ```
-id1[This is the text in the box];
+stateDiagram-v2
+[*] --> Still
+Still --> [*]
+Still --> Moving
+Moving --> Still
+Moving --> Crash
+Crash --> [*]
 ```
 
-![Text in node](http://www.sveido.com/mermaid/img/ex6.png)
-
-
-### A node with round edges
-```
-id1(This is the text in the box);
+```mermaid
+stateDiagram-v2
+[*] --> Still
+Still --> [*]
+Still --> Moving
+Moving --> Still
+Moving --> Crash
+Crash --> [*]
 ```
 
-![Node with round edges](http://www.sveido.com/mermaid/img/ex7.png)
-
-### A node in the form of a circle
-```
-id1((This is the text in the box));
-```
-
-![Node with round edges](http://www.sveido.com/mermaid/img/ex12.png)
-
-### A node in an asymetric shape
-```
-id1>This is the text in the box];
-```
-
-![Node with round edges](http://www.sveido.com/mermaid/img/ex13.png)
-
-
-### A node (rhombus)
-```
-id1{This is the text in the box};
-```
-
-![Decision box](http://www.sveido.com/mermaid/img/ex8.png)
-
-### Styling a node
-It is possible to apply specific styles such as a thicker border or a different background color to a node.
+### Pie chart [<a href="https://mermaid-js.github.io/mermaid/#/pie">docs</a> - <a href="https://mermaid.live/edit#pako:eNo9jsFugzAMhl8F-VzBgEEh13Uv0F1zcYkTIpEEBadShXj3BU3dzf_n77e8wxQUgYDVkvQSbsFsEgpRtEN_5i_kvzx05XiC-xvUHVzAUXRoVe7v0heFBJ7JkQSRR0Ua08ISpD-ymlaFTN_KcoggNC4bXQATh5-Xn0BwTPSWbhZNRPdvLQEV5dIO_FrPZ43dOJ-cgtfWnDzFJeOZed1EVZ3r0lie06Ocgqs2q2aMPD_HvuqbfsCmpf7aYte2anrU46Cbz1qr60fdIBzH8QvW9lkl">live editor</a>]
 
 ```
-graph LR;
-    id1(Start)-->id2(Stop);
-    style id1 fill:#f9f,stroke:#333,stroke-width:4px;
-    style id2 fill:#ccf,stroke:#f66,stroke-width:2px,stroke-dasharray: 5, 5;
+pie
+"Dogs" : 386
+"Cats" : 85.9
+"Rats" : 15
 ```
 
-![Node with styles](http://www.sveido.com/mermaid/img/ex9.png)
-
-#### Classes
-More convenient then defining the style everytime is to define a class of styles and attach this class to the nodes that
-should have a different look.
-
-a class definition looks like the example below:
-
-```
-    classDef className fill:#f9f,stroke:#333,stroke-width:4px;
+```mermaid
+pie
+"Dogs" : 386
+"Cats" : 85.9
+"Rats" : 15
 ```
 
-Attachment of a  class to a node is done as per below:
+### Git graph [experimental - <a href="https://mermaid.live/edit#pako:eNqNkMFugzAMhl8F-VyVAR1tOW_aA-zKxSSGRCMJCk6lCvHuNZPKZdM0n-zf3_8r8QIqaIIGMqnB8kfEybQ--y4VnLP8-9RF9Mpkmm40hmlnDKmvkPiH_kfS7nFo_VN0FAf6XwocQGgxa_nGsm1bYEOOWmik1dRjGrmF1q-Cpkkj07u2HCI0PY4zHQATh8-7V9BwTPSE3iwOEd1OjQE1iWkBvk_bzQY7s0Sq4Hs7bHqKo8iGeZqbPN_WR7mpSd1RHpvPVhuMbG7XOq_L-oJlRfW5wteq0qorrpe-PBW9Pr8UJcK6rg-BLYPQ">live editor</a>]
+
+### Bar chart (using gantt chart) [<a href="https://mermaid-js.github.io/mermaid/#/gantt">docs</a> - <a href="https://mermaid.live/edit#pako:eNptkU1vhCAQhv8KIenNugiI4rkf6bmXpvEyFVxJFDYyNt1u9r8X63Z7WQ9m5pknLzieaBeMpQ3dg0dsPUkPOhwteXZIXmJcbCT3xMAxkuh8Z8kIEclyMIB209fqKcwTICFvG4IvFy_oLrZ-g9F26ILfQgvNFN94VaRXQ1iWqpumZBcu1J8p1E1TXDx59eQNr5LyEqjJn6hv5QnGNlxevZJmdLLpy5xJSzut45biYCfb0iaVxvawjNjS1p-TCguG16PvaIPzYjO67e3BwX6GiTY9jPFKH43DMF_hGMDY1J4oHg-_f8hFTJFd8L3br3yZx4QHxENsdrt1nO8dDstH3oVpF50ZYMbhU6ud4qoGLqyqBJRCmO6j0HXPZdGbihUc6Pmc0QP49xD-b5X69ZQv2gjO81IwzWqhC1lKrjJ6pA3nVS7SMiVjrKirWlYp5fs3osgrWeo00lorLWvOzz8JVbXm">live editor</a>]
 
 ```
-    class nodeId1 className;
+gantt
+    title Git Issues - days since last update
+    dateFormat  X
+    axisFormat %s
+
+    section Issue19062
+    71   : 0, 71
+    section Issue19401
+    36   : 0, 36
+    section Issue193
+    34   : 0, 34
+    section Issue7441
+    9    : 0, 9
+    section Issue1300
+    5    : 0, 5
 ```
 
-It is also possible to attach a class to a list of nodes in one statement:
+```mermaid
+gantt
+    title Git Issues - days since last update
+    dateFormat  X
+    axisFormat %s
 
-```
-    class nodeId1,nodeId2 className;
+    section Issue19062
+    71   : 0, 71
+    section Issue19401
+    36   : 0, 36
+    section Issue193
+    34   : 0, 34
+    section Issue7441
+    9    : 0, 9
+    section Issue1300
+    5    : 0, 5
 ```
 
-#### Default class
-
-If a class is named default it will be assigned to all classes without specific class definitions.
+### User Journey diagram [<a href="https://mermaid-js.github.io/mermaid/#/user-journey">docs</a> - <a href="https://mermaid.live/edit#pako:eNplkMFuwjAQRH9l5TMiTVIC-FqqnjhxzWWJN4khsSN7XRSh_HsdKBVt97R6Mzsj-yoqq0hIAXCywRkaSwNxWHNHsB_hYt1ZmwYUfiueKtbWwIcFtjf5zgH2eCZgQgkrCXt64GgMg2fUzkvIn5Xd_V5COtMFvCH_62ht_5yk7MU8sn61HDTfxD8VYiF6cj1qFd94nWkpuKWYKWRcFdUYOi5FaaZoDYNCpnel2Toha-w8LQQGtofRVEKyC_Qw7TQ2DvsfV2dRUTy6Ch6H-UMb7TlGVtbUupl5cF3ELfPgZZLM8rLR3IbjsrJ94rVq0XH7uS2SIis2mOVUrHNc5bmqjul2U2evaa3WL2mGYpqmL2BGiho">live editor</a>]
 
 ```
-    classDef default fill:#f9f,stroke:#333,stroke-width:4px;
+  journey
+    title My working day
+    section Go to work
+      Make tea: 5: Me
+      Go upstairs: 3: Me
+      Do work: 1: Me, Cat
+    section Go home
+      Go downstairs: 5: Me
+      Sit down: 3: Me
 ```
 
-
-## Links between nodes
-
-Nodes can be connected with links/edges. It is possible to have different types of links or attach a text string to a link.
-
-### A link with arrow head
-```
-A-->B;
+```mermaid
+  journey
+    title My working day
+    section Go to work
+      Make tea: 5: Me
+      Go upstairs: 3: Me
+      Do work: 1: Me, Cat
+    section Go home
+      Go downstairs: 5: Me
+      Sit down: 3: Me
 ```
 
-![Link with arrowhead](http://www.sveido.com/mermaid/img/ex4.png)
-
-### An open link
+### C4 diagram [<a href="https://mermaid-js.github.io/mermaid/#/c4c">docs</a>]
 
 ```
-A---B;
+C4Context
+title System Context diagram for Internet Banking System
+
+Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
+Person(customerB, "Banking Customer B")
+Person_Ext(customerC, "Banking Customer C")
+System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")
+
+Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")
+
+Enterprise_Boundary(b1, "BankBoundary") {
+
+  SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")
+
+  System_Boundary(b2, "BankBoundary2") {
+    System(SystemA, "Banking System A")
+    System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts.")
+  }
+
+  System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
+  SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")
+
+  Boundary(b3, "BankBoundary3", "boundary") {
+    SystemQueue(SystemF, "Banking System F Queue", "A system of the bank, with personal bank accounts.")
+    SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
+  }
+}
+
+BiRel(customerA, SystemAA, "Uses")
+BiRel(SystemAA, SystemE, "Uses")
+Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
+Rel(SystemC, customerA, "Sends e-mails to")
 ```
 
-![Open link](http://www.sveido.com/mermaid/img/ex10.png)
+```mermaid
+C4Context
+title System Context diagram for Internet Banking System
 
-### Text on links
+Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
+Person(customerB, "Banking Customer B")
+Person_Ext(customerC, "Banking Customer C")
+System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")
 
-```
-A---|This is the text|B;
+Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")
+
+Enterprise_Boundary(b1, "BankBoundary") {
+
+  SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")
+
+  System_Boundary(b2, "BankBoundary2") {
+    System(SystemA, "Banking System A")
+    System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts.")
+  }
+
+  System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
+  SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")
+
+  Boundary(b3, "BankBoundary3", "boundary") {
+    SystemQueue(SystemF, "Banking System F Queue", "A system of the bank, with personal bank accounts.")
+    SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
+  }
+}
+
+BiRel(customerA, SystemAA, "Uses")
+BiRel(SystemAA, SystemE, "Uses")
+Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
+Rel(SystemC, customerA, "Sends e-mails to")
 ```
 
-![Text on links](http://www.sveido.com/mermaid/img/ex11.png)
+## Release
 
-### Styling links
-It is possible to style links for instance a link that is going back in the flow. This is done by the linkStyle statement as in the example below:
+For those who have the permission to do so:
 
-```
-linkStyle 3 stroke:#ff3,stroke-width:4px;
+Update version number in `package.json`.
+
+```sh
+npm publish
 ```
 
-## Interaction
+The above command generates files into the `dist` folder and publishes them to npmjs.org.
 
-It is possible to bind a click event to a node:
+## Related projects
 
-```
-click nodeId callback
-```
+- [Command Line Interface](https://github.com/mermaid-js/mermaid-cli)
+- [Live Editor](https://github.com/mermaid-js/mermaid-live-editor)
+- [HTTP Server](https://github.com/TomWright/mermaid-server)
 
-* nodeId is the id of the node
-* callback is the name of a javascript function defined on the page displaying the graph, the function will be called with the nodeId as parameter.
+## Contributors [![Good first issue](https://img.shields.io/github/labels/mermaid-js/mermaid/Good%20first%20issue%21)](https://github.com/mermaid-js/mermaid/issues?q=is%3Aissue+is%3Aopen+label%3A%22Good+first+issue%21%22) [![Contributors](https://img.shields.io/github/contributors/mermaid-js/mermaid)](https://github.com/mermaid-js/mermaid/graphs/contributors) [![Commits](https://img.shields.io/github/commit-activity/m/mermaid-js/mermaid)](https://github.com/mermaid-js/mermaid/graphs/contributors)
 
-## Usage of the parser as a seperate module
+Mermaid is a growing community and is always accepting new contributors. There's a lot of different ways to help out and we're always looking for extra hands! Look at [this issue](https://github.com/mermaid-js/mermaid/issues/866) if you want to know where to start helping out.
 
-### Setup
-```
-var graph = require('./graphDb');
-var flow = require('./parser/flow');
-flow.parser.yy = graph;
-```
+Detailed information about how to contribute can be found in the [contribution guide](CONTRIBUTING.md)
 
-### Parsing
+## Security and safe diagrams
 
-```
-flow.parser.parse(text);
-```
+For public sites, it can be precarious to retrieve text from users on the internet, storing that content for presentation in a browser at a later stage. The reason is that the user content can contain embedded malicious scripts that will run when the data is presented. For Mermaid this is a risk, specially as mermaid diagrams contain many characters that are used in html which makes the standard sanitation unusable as it also breaks the diagrams. We still make an effort to sanitise the incoming code and keep refining the process but it is hard to guarantee that there are no loop holes.
 
-### Data extraction
-```
-graph.getDirection();
-graph.getVertices();
-graph.getEdges();
-```
+As an extra level of security for sites with external users we are happy to introduce a new security level in which the diagram is rendered in a sandboxed iframe preventing javascript in the code from being executed. This is a great step forward for better security.
 
-# Credits
-Many thanks to the [d3](http://d3js.org/) and [dagre-d3](https://github.com/cpettitt/dagre-d3) projects for providing the graphical layout and drawing libraries!
+_Unfortunately you can not have a cake and eat it at the same time which in this case means that some of the interactive functionality gets blocked along with the possible malicious code._
+
+## Reporting vulnerabilities
+
+To report a vulnerability, please e-mail security@mermaid.live with a description of the issue, the steps you took to create the issue, affected versions, and if known, mitigations for the issue.
+
+## Appreciation
+
+A quick note from Knut Sveidqvist:
+
+> _Many thanks to the [d3](https://d3js.org/) and [dagre-d3](https://github.com/cpettitt/dagre-d3) projects for providing the graphical layout and drawing libraries!_
+>
+> _Thanks also to the [js-sequence-diagram](https://bramp.github.io/js-sequence-diagrams) project for usage of the grammar for the sequence diagrams. Thanks to Jessica Peter for inspiration and starting point for gantt rendering._
+>
+> _Thank you to [Tyler Long](https://github.com/tylerlong) who has been a collaborator since April 2017._
+>
+> _Thank you to the ever-growing list of [contributors](https://github.com/knsv/mermaid/graphs/contributors) that brought the project this far!_
+
+---
+
+_Mermaid was created by Knut Sveidqvist for easier documentation._

README.zh-CN.md

@@ -0,0 +1,361 @@
+<p align="center">
+<img src="https://raw.githubusercontent.com/mermaid-js/mermaid/develop/docs/public/favicon.svg" height="150">
+</p>
+<h1 align="center">
+Mermaid
+</h1>
+<p align="center">
+通过解析类 Markdown 的文本语法来实现图表的创建和动态修改。
+<p>
+<p align="center">
+  <a href="https://www.npmjs.com/package/mermaid"><img src="https://img.shields.io/npm/v/mermaid?color=ff3670&label="></a>
+<p>
+
+<p align="center">
+<a href="https://mermaid.live/"><b>Live Editor!</b></a>
+</p>
+<p align="center">
+ <a href="https://mermaid.js.org">📖 文档</a> | <a href="https://mermaid.js.org/intro/">🚀 入门</a> | <a href="https://www.jsdelivr.com/package/npm/mermaid">🌐 CDN</a> | <a href="https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE" title="Slack invite">🙌 加入我们</a>
+</p>
+<p align="center">
+<a href="./README.md">English</a>
+</p>
+
+<br>
+<br>
+
+[![NPM](https://img.shields.io/npm/v/mermaid)](https://www.npmjs.com/package/mermaid)
+[![Build CI Status](https://github.com/mermaid-js/mermaid/actions/workflows/build.yml/badge.svg)](https://github.com/mermaid-js/mermaid/actions/workflows/build.yml)
+[![npm minified gzipped bundle size](https://img.shields.io/bundlephobia/minzip/mermaid)](https://bundlephobia.com/package/mermaid)
+[![Coverage Status](https://coveralls.io/repos/github/mermaid-js/mermaid/badge.svg?branch=master)](https://coveralls.io/github/mermaid-js/mermaid?branch=master)
+[![CDN Status](https://img.shields.io/jsdelivr/npm/hm/mermaid)](https://www.jsdelivr.com/package/npm/mermaid)
+[![NPM Downloads](https://img.shields.io/npm/dm/mermaid)](https://www.npmjs.com/package/mermaid)
+[![Join our Slack!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=slack&label=slack)](https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE)
+[![Twitter Follow](https://img.shields.io/badge/Social-mermaidjs__-blue?style=social&logo=twitter)](https://twitter.com/mermaidjs_)
+
+<img src="./img/header.png" alt="" />
+
+:trophy: **Mermaid 被提名并获得了 [JS Open Source Awards (2019)](https://osawards.com/javascript/2019) 的 "The most exciting use of technology" 奖项!!!**
+
+**感谢所有参与进来提交 PR，解答疑问的人们! 🙏**
+
+<a href="https://mermaid-js.github.io/mermaid/landing/"><img src="https://github.com/mermaid-js/mermaid/blob/master/docs/intro/img/book-banner-post-release.jpg" alt="Explore Mermaid.js in depth, with real-world examples, tips & tricks from the creator... The first official book on Mermaid is available for purchase. Check it out!"></a>
+
+## 关于 Mermaid
+
+<!-- <Main description>   -->
+
+Mermaid 是一个基于 Javascript 的图表绘制工具，通过解析类 Markdown 的文本语法来实现图表的创建和动态修改。Mermaid 诞生的主要目的是让文档的更新能够及时跟上开发进度。
+
+> Doc-Rot 是 Mermaid 致力于解决的一个难题。
+
+绘图和编写文档花费了开发者宝贵的开发时间，而且随着业务的变更，它很快就会过期。 但是如果缺少了图表或文档，对于生产力和团队新人的业务学习都会产生巨大的阻碍。 <br/>
+Mermaid 通过允许用户创建便于修改的图表来解决这一难题，它也可以作为生产脚本（或其他代码）的一部分。<br/>
+<br/>
+Mermaid 甚至能让非程序员也能通过 [Mermaid Live Editor](https://mermaid.live/) 轻松创建详细的图表。<br/>
+你可以访问 [教程](./docs/config/Tutorials.md) 来查看 Live Editor 的视频教程，也可以查看 [Mermaid 的集成和使用](./docs/ecosystem/integrations.md) 这个清单来检查你的文档工具是否已经集成了 Mermaid 支持。
+
+如果想要查看关于 Mermaid 更详细的介绍及基础使用方式，可以查看 [入门指引](./docs/community/n00b-overview.md), [用法](./docs/config/usage.md) 和 [教程](./docs/config/Tutorials.md).
+
+<!-- </Main description> -->
+
+## 示例
+
+**下面是一些可以使用 Mermaid 创建的图表示例。点击 [语法](https://mermaid-js.github.io/mermaid/#/n00b-syntaxReference) 查看详情。**
+
+<table>
+<!-- <Flowchart> -->
+
+### 流程图 [<a href="https://mermaid-js.github.io/mermaid/#/flowchart">文档</a> - <a href="https://mermaid.live/edit#base64:eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW0hhcmRdIC0tPnxUZXh0fCBCKFJvdW5kKVxuICAgIEIgLS0-IEN7RGVjaXNpb259XG4gICAgQyAtLT58T25lfCBEW1Jlc3VsdCAxXVxuICAgIEMgLS0-fFR3b3wgRVtSZXN1bHQgMl0iLCJtZXJtYWlkIjp7InRoZW1lIjoiZGVmYXVsdCJ9fQ">live editor</a>]
+
+```
+flowchart LR
+A[Hard] -->|Text| B(Round)
+B --> C{Decision}
+C -->|One| D[Result 1]
+C -->|Two| E[Result 2]
+```
+
+```mermaid
+flowchart LR
+A[Hard] -->|Text| B(Round)
+B --> C{Decision}
+C -->|One| D[Result 1]
+C -->|Two| E[Result 2]
+```
+
+### 时序图 [<a href="https://mermaid-js.github.io/mermaid/#/sequenceDiagram">文档</a> - <a href="https://mermaid.live/edit#base64:eyJjb2RlIjoic2VxdWVuY2VEaWFncmFtXG5BbGljZS0-PkpvaG46IEhlbGxvIEpvaG4sIGhvdyBhcmUgeW91P1xubG9vcCBIZWFsdGhjaGVja1xuICAgIEpvaG4tPj5Kb2huOiBGaWdodCBhZ2FpbnN0IGh5cG9jaG9uZHJpYVxuZW5kXG5Ob3RlIHJpZ2h0IG9mIEpvaG46IFJhdGlvbmFsIHRob3VnaHRzIVxuSm9obi0tPj5BbGljZTogR3JlYXQhXG5Kb2huLT4-Qm9iOiBIb3cgYWJvdXQgeW91P1xuQm9iLS0-PkpvaG46IEpvbGx5IGdvb2QhIiwibWVybWFpZCI6eyJ0aGVtZSI6ImRlZmF1bHQifX0">live editor</a>]
+
+```
+sequenceDiagram
+Alice->>John: Hello John, how are you?
+loop Healthcheck
+    John->>John: Fight against hypochondria
+end
+Note right of John: Rational thoughts!
+John-->>Alice: Great!
+John->>Bob: How about you?
+Bob-->>John: Jolly good!
+```
+
+```mermaid
+sequenceDiagram
+Alice->>John: Hello John, how are you?
+loop Healthcheck
+    John->>John: Fight against hypochondria
+end
+Note right of John: Rational thoughts!
+John-->>Alice: Great!
+John->>Bob: How about you?
+Bob-->>John: Jolly good!
+```
+
+### 甘特图 [<a href="https://mermaid-js.github.io/mermaid/#/gantt">文档</a> - <a href="https://mermaid.live/edit#base64:eyJjb2RlIjoiZ2FudHRcbnNlY3Rpb24gU2VjdGlvblxuQ29tcGxldGVkIDpkb25lLCAgICBkZXMxLCAyMDE0LTAxLTA2LDIwMTQtMDEtMDhcbkFjdGl2ZSAgICAgICAgOmFjdGl2ZSwgIGRlczIsIDIwMTQtMDEtMDcsIDNkXG5QYXJhbGxlbCAxICAgOiAgICAgICAgIGRlczMsIGFmdGVyIGRlczEsIDFkXG5QYXJhbGxlbCAyICAgOiAgICAgICAgIGRlczQsIGFmdGVyIGRlczEsIDFkXG5QYXJhbGxlbCAzICAgOiAgICAgICAgIGRlczUsIGFmdGVyIGRlczMsIDFkXG5QYXJhbGxlbCA0ICAgOiAgICAgICAgIGRlczYsIGFmdGVyIGRlczQsIDFkIiwibWVybWFpZCI6eyJ0aGVtZSI6ImRlZmF1bHQifX0">live editor</a>]
+
+```
+gantt
+    section Section
+    Completed :done,    des1, 2014-01-06,2014-01-08
+    Active        :active,  des2, 2014-01-07, 3d
+    Parallel 1   :         des3, after des1, 1d
+    Parallel 2   :         des4, after des1, 1d
+    Parallel 3   :         des5, after des3, 1d
+    Parallel 4   :         des6, after des4, 1d
+```
+
+```mermaid
+gantt
+    section Section
+    Completed :done,    des1, 2014-01-06,2014-01-08
+    Active        :active,  des2, 2014-01-07, 3d
+    Parallel 1   :         des3, after des1, 1d
+    Parallel 2   :         des4, after des1, 1d
+    Parallel 3   :         des5, after des3, 1d
+    Parallel 4   :         des6, after des4, 1d
+```
+
+### 类图 [<a href="https://mermaid-js.github.io/mermaid/#/classDiagram">文档</a> - <a href="https://mermaid.live/edit#base64:eyJjb2RlIjoiY2xhc3NEaWFncmFtXG5DbGFzczAxIDx8LS0gQXZlcnlMb25nQ2xhc3MgOiBDb29sXG48PGludGVyZmFjZT4-IENsYXNzMDFcbkNsYXNzMDkgLS0-IEMyIDogV2hlcmUgYW0gaT9cbkNsYXNzMDkgLS0qIEMzXG5DbGFzczA5IC0tfD4gQ2xhc3MwN1xuQ2xhc3MwNyA6IGVxdWFscygpXG5DbGFzczA3IDogT2JqZWN0W10gZWxlbWVudERhdGFcbkNsYXNzMDEgOiBzaXplKClcbkNsYXNzMDEgOiBpbnQgY2hpbXBcbkNsYXNzMDEgOiBpbnQgZ29yaWxsYVxuY2xhc3MgQ2xhc3MxMCB7XG4gID4-c2VydmljZT4-XG4gIGludCBpZFxuICBzaXplKClcbn0iLCJtZXJtYWlkIjp7InRoZW1lIjoiZGVmYXVsdCJ9fQ">live editor</a>]
+
+```
+classDiagram
+Class01 <|-- AveryLongClass : Cool
+<<Interface>> Class01
+Class09 --> C2 : Where am I?
+Class09 --* C3
+Class09 --|> Class07
+Class07 : equals()
+Class07 : Object[] elementData
+Class01 : size()
+Class01 : int chimp
+Class01 : int gorilla
+class Class10 {
+  <<service>>
+  int id
+  size()
+}
+```
+
+```mermaid
+classDiagram
+Class01 <|-- AveryLongClass : Cool
+<<Interface>> Class01
+Class09 --> C2 : Where am I?
+Class09 --* C3
+Class09 --|> Class07
+Class07 : equals()
+Class07 : Object[] elementData
+Class01 : size()
+Class01 : int chimp
+Class01 : int gorilla
+class Class10 {
+  <<service>>
+  int id
+  size()
+}
+```
+
+### 状态图 [[<a href="https://mermaid-js.github.io/mermaid/#/stateDiagram">docs</a> - <a href="https://mermaid.live/edit#pako:eNpdkLsOwjAMRX-l8ojahTEDCzB26kgYrMYtkfJAqVMJVf13QiIKqqfr44d8vUDvFYGAiZHponEMaJv5KF2V4na4V01zqjrWxhSUZYapuEetn7UbCy16P_5HzwGnR6FZfpdCDZaCRa3SWcunQQI_yJIEkaSiAaNhCdKtqRUj--7lehAcItUQn-pnBMSAZtroVWn2YYOU07b4z29Y37gJVYk">live editor</a>]
+
+```
+stateDiagram-v2
+[*] --> Still
+Still --> [*]
+Still --> Moving
+Moving --> Still
+Moving --> Crash
+Crash --> [*]
+```
+
+```mermaid
+stateDiagram-v2
+[*] --> Still
+Still --> [*]
+Still --> Moving
+Moving --> Still
+Moving --> Crash
+Crash --> [*]
+```
+
+### 饼图 [<a href="https://mermaid-js.github.io/mermaid/#/pie">文档</a> - <a href="https://mermaid.live/edit#base64:eyJjb2RlIjoicGllXG5cIkRvZ3NcIiA6IDQyLjk2XG5cIkNhdHNcIiA6IDUwLjA1XG5cIlJhdHNcIiA6IDEwLjAxIiwibWVybWFpZCI6eyJ0aGVtZSI6ImRlZmF1bHQifX0">live editor</a>]
+
+```
+pie
+"Dogs" : 386
+"Cats" : 85
+"Rats" : 15
+```
+
+```mermaid
+pie
+"Dogs" : 386
+"Cats" : 85
+"Rats" : 15
+```
+
+### Git 图 [实验特性 - <a href="https://mermaid.live/edit#base64:eyJjb2RlIjoiZ2l0R3JhcGg6XG5vcHRpb25zXG57XG4gICAgXCJub2RlU3BhY2luZ1wiOiAxNTAsXG4gICAgXCJub2RlUmFkaXVzXCI6IDEwXG59XG5lbmRcbmNvbW1pdFxuYnJhbmNoIG5ld2JyYW5jaFxuY2hlY2tvdXQgbmV3YnJhbmNoXG5jb21taXRcbmNvbW1pdFxuY2hlY2tvdXQgbWFzdGVyXG5jb21taXRcbmNvbW1pdFxubWVyZ2UgbmV3YnJhbmNoXG4iLCJtZXJtYWlkIjp7InRoZW1lIjoiZGVmYXVsdCJ9fQ">live editor</a>]
+
+### 用户体验旅程图 [<a href="https://mermaid-js.github.io/mermaid/#/user-journey">文档</a> - <a href="https://mermaid.live/edit#pako:eNpljzEPgkAMhf9K05nFGJdbJXFiYmVpuKIncDVHL4QQ_ruHaILaqXnf63vpjLVYRoMAd4nB81R5SKNOO4ZiglFC6_wVLL3JwLU68XARUHnhTQcoqGVQJgMnAwV_5GSMj0HJhcHAcU_y7d7AYVUzOJP-ddyk3ydZGf0n66uldPqCPxWYYc-hJ2fTj_OqVqg3Tplo0mq5odhphZVfkpWiSjn5Go2GyBnGhyXl3NE1UI-moW7g5QkSoF5m">live editor</a>]
+
+```
+  journey
+    title My working day
+    section Go to work
+      Make tea: 5: Me
+      Go upstairs: 3: Me
+      Do work: 1: Me, Cat
+    section Go home
+      Go downstairs: 5: Me
+      Sit down: 3: Me
+```
+
+```mermaid
+  journey
+    title My working day
+    section Go to work
+      Make tea: 5: Me
+      Go upstairs: 3: Me
+      Do work: 1: Me, Cat
+    section Go home
+      Go downstairs: 5: Me
+      Sit down: 3: Me
+```
+
+### C4 图 [<a href="https://mermaid-js.github.io/mermaid/#/c4c">文档</a>]
+
+```
+C4Context
+title System Context diagram for Internet Banking System
+
+Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
+Person(customerB, "Banking Customer B")
+Person_Ext(customerC, "Banking Customer C")
+System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")
+
+Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")
+
+Enterprise_Boundary(b1, "BankBoundary") {
+
+  SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")
+
+  System_Boundary(b2, "BankBoundary2") {
+    System(SystemA, "Banking System A")
+    System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts.")
+  }
+
+  System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
+  SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")
+
+  Boundary(b3, "BankBoundary3", "boundary") {
+    SystemQueue(SystemF, "Banking System F Queue", "A system of the bank, with personal bank accounts.")
+    SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
+  }
+}
+
+BiRel(customerA, SystemAA, "Uses")
+BiRel(SystemAA, SystemE, "Uses")
+Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
+Rel(SystemC, customerA, "Sends e-mails to")
+```
+
+```mermaid
+C4Context
+title System Context diagram for Internet Banking System
+
+Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
+Person(customerB, "Banking Customer B")
+Person_Ext(customerC, "Banking Customer C")
+System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")
+
+Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")
+
+Enterprise_Boundary(b1, "BankBoundary") {
+
+  SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")
+
+  System_Boundary(b2, "BankBoundary2") {
+    System(SystemA, "Banking System A")
+    System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts.")
+  }
+
+  System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
+  SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")
+
+  Boundary(b3, "BankBoundary3", "boundary") {
+    SystemQueue(SystemF, "Banking System F Queue", "A system of the bank, with personal bank accounts.")
+    SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
+  }
+}
+
+BiRel(customerA, SystemAA, "Uses")
+BiRel(SystemAA, SystemE, "Uses")
+Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
+Rel(SystemC, customerA, "Sends e-mails to")
+```
+
+## 发布
+
+对于有权限的同学来说，你可以通过以下步骤来完成发布操作：
+
+更新 `package.json` 中的版本号，然后执行如下命令：
+
+```sh
+npm publish
+```
+
+以上的命令会将文件打包到 `dist` 目录并发布至 npmjs.org.
+
+## 相关项目
+
+- [Command Line Interface](https://github.com/mermaid-js/mermaid-cli)
+- [Live Editor](https://github.com/mermaid-js/mermaid-live-editor)
+- [HTTP Server](https://github.com/TomWright/mermaid-server)
+
+## 贡献者 [![Good first issue](https://img.shields.io/github/labels/mermaid-js/mermaid/Good%20first%20issue%21)](https://github.com/mermaid-js/mermaid/issues?q=is%3Aissue+is%3Aopen+label%3A%22Good+first+issue%21%22) [![Contributors](https://img.shields.io/github/contributors/mermaid-js/mermaid)](https://github.com/mermaid-js/mermaid/graphs/contributors) [![Commits](https://img.shields.io/github/commit-activity/m/mermaid-js/mermaid)](https://github.com/mermaid-js/mermaid/graphs/contributors)
+
+Mermaid 是一个不断发展中的社区，并且还在接收新的贡献者。有很多不同的方式可以参与进来，而且我们还在寻找额外的帮助。如果你想知道如何开始贡献，请查看 [这个 issue](https://github.com/mermaid-js/mermaid/issues/866)。
+
+关于如何贡献的详细信息可以在 [贡献指南](CONTRIBUTING.md) 中找到。
+
+## 安全
+
+对于公开网站来说，从互联网上的用户处检索文本、存储供后续在浏览器中展示的内容可能是不安全的，理由是用户的内容可能嵌入一些数据加载完成之后就会运行的恶意脚本，这些对于 Mermaid 来说毫无疑问是一个风险，尤其是 mermaid 图表还包含了许多在 html 中使用的字符，这意味着我们难以使用常规的手段来过滤不安全代码，因为这些常规手段会造成图表损坏。我们仍然在努力对获取到的代码进行安全过滤并不断完善我们的程序，但很难保证没有漏洞。
+
+作为拥有外部用户的网站的额外安全级别，我们很高兴推出一个新的安全级别，其中的图表在沙盒 iframe 中渲染，防止代码中的 javascript 被执行，这是在安全性方面迈出的一大步。
+
+_很不幸的是，鱼与熊掌不可兼得，在这个场景下它意味着在可能的恶意代码被阻止时，也会损失部分交互能力_。
+
+## 报告漏洞
+
+如果想要报告漏洞，请发送邮件到 security@mermaid.live, 并附上问题的描述、复现问题的步骤、受影响的版本，以及解决问题的方案（如果有的话）。
+
+## 鸣谢
+
+来自 Knut Sveidqvist:
+
+> _特别感谢 [d3](https://d3js.org/) 和 [dagre-d3](https://github.com/cpettitt/dagre-d3) 这两个优秀的项目，它们提供了图形布局和绘图工具库！_ > _同样感谢 [js-sequence-diagram](https://bramp.github.io/js-sequence-diagrams) 提供了时序图语法的使用。 感谢 Jessica Peter 提供了甘特图渲染的灵感。_ > _感谢 [Tyler Long](https://github.com/tylerlong) 从 2017 年四月开始成为了项目的合作者。_
+>
+> _感谢越来越多的 [贡献者们](https://github.com/knsv/mermaid/graphs/contributors)，没有你们，就没有这个项目的今天！_
+
+---
+
+_Mermaid 是由 Knut Sveidqvist 创建，它为了更简单的文档编写而生。_

__mocks__/c4Renderer.js

@@ -0,0 +1,21 @@
+/**
+ * Mocked C4Context diagram renderer
+ */
+
+import { vi } from 'vitest';
+
+export const drawPersonOrSystemArray = vi.fn();
+export const drawBoundary = vi.fn();
+
+export const setConf = vi.fn();
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  drawPersonOrSystemArray,
+  drawBoundary,
+  setConf,
+  draw,
+};

__mocks__/classRenderer-v2.js

@@ -0,0 +1,16 @@
+/**
+ * Mocked class diagram v2 renderer
+ */
+
+import { vi } from 'vitest';
+
+export const setConf = vi.fn();
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  setConf,
+  draw,
+};

__mocks__/classRenderer.js

@@ -0,0 +1,13 @@
+/**
+ * Mocked class diagram renderer
+ */
+
+import { vi } from 'vitest';
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  draw,
+};

__mocks__/d3.ts

@@ -0,0 +1,14 @@
+// @ts-nocheck TODO: Fix TS
+import { MockedD3 } from '../packages/mermaid/src/tests/MockedD3.js';
+
+export const select = function () {
+  return new MockedD3();
+};
+
+export const selectAll = function () {
+  return new MockedD3();
+};
+
+export const curveBasis = 'basis';
+export const curveLinear = 'linear';
+export const curveCardinal = 'cardinal';

__mocks__/dagre-d3.ts

@@ -0,0 +1 @@
+// DO NOT delete this file. It is used by vitest to mock the dagre-d3 module.

__mocks__/entity-decode/browser.ts

@@ -0,0 +1,3 @@
+module.exports = function (txt: string) {
+  return txt;
+};

__mocks__/erRenderer.js

@@ -0,0 +1,16 @@
+/**
+ * Mocked er diagram renderer
+ */
+
+import { vi } from 'vitest';
+
+export const setConf = vi.fn();
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  setConf,
+  draw,
+};

__mocks__/flowRenderer-v2.js

@@ -0,0 +1,24 @@
+/**
+ * Mocked flow (flowchart) diagram v2 renderer
+ */
+
+import { vi } from 'vitest';
+
+export const setConf = vi.fn();
+export const addVertices = vi.fn();
+export const addEdges = vi.fn();
+export const getClasses = vi.fn().mockImplementation(() => {
+  return {};
+});
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  setConf,
+  addVertices,
+  addEdges,
+  getClasses,
+  draw,
+};

__mocks__/ganttRenderer.js

@@ -0,0 +1,16 @@
+/**
+ * Mocked gantt diagram renderer
+ */
+
+import { vi } from 'vitest';
+
+export const setConf = vi.fn();
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  setConf,
+  draw,
+};

__mocks__/gitGraphRenderer.js

@@ -0,0 +1,13 @@
+/**
+ * Mocked git (graph) diagram renderer
+ */
+
+import { vi } from 'vitest';
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  draw,
+};

__mocks__/journeyRenderer.js

@@ -0,0 +1,15 @@
+/**
+ * Mocked pie (picChart) diagram renderer
+ */
+
+import { vi } from 'vitest';
+export const setConf = vi.fn();
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  setConf,
+  draw,
+};

__mocks__/pieRenderer.js

@@ -0,0 +1,13 @@
+/**
+ * Mocked pie (picChart) diagram renderer
+ */
+
+import { vi } from 'vitest';
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  draw,
+};

__mocks__/requirementRenderer.js

@@ -0,0 +1,13 @@
+/**
+ * Mocked requirement diagram renderer
+ */
+
+import { vi } from 'vitest';
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  draw,
+};

__mocks__/sequenceRenderer.js

@@ -0,0 +1,23 @@
+/**
+ * Mocked sequence diagram renderer
+ */
+
+import { vi } from 'vitest';
+
+export const bounds = vi.fn();
+export const drawActors = vi.fn();
+export const drawActorsPopup = vi.fn();
+
+export const setConf = vi.fn();
+
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  bounds,
+  drawActors,
+  drawActorsPopup,
+  setConf,
+  draw,
+};

__mocks__/stateRenderer-v2.js

@@ -0,0 +1,22 @@
+/**
+ * Mocked state diagram v2 renderer
+ */
+
+import { vi } from 'vitest';
+
+export const setConf = vi.fn();
+export const getClasses = vi.fn().mockImplementation(() => {
+  return {};
+});
+export const stateDomId = vi.fn().mockImplementation(() => {
+  return 'mocked-stateDiagram-stateDomId';
+});
+export const draw = vi.fn().mockImplementation(() => {
+  return '';
+});
+
+export default {
+  setConf,
+  getClasses,
+  draw,
+};

applitools.config.js

@@ -0,0 +1,19 @@
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const { defineConfig } = require('cypress');
+
+module.exports = defineConfig({
+  testConcurrency: 1,
+  browser: [
+    // Add browsers with different viewports
+    //   { width: 800, height: 600, name: 'chrome' },
+    //   { width: 700, height: 500, name: 'firefox' },
+    //   { width: 1600, height: 1200, name: 'ie11' },
+    //   { width: 1024, height: 768, name: 'edgechromium' },
+    //   { width: 800, height: 600, name: 'safari' },
+    //   // Add mobile emulation devices in Portrait mode
+    //   { deviceName: 'iPhone X', screenOrientation: 'portrait' },
+    //   { deviceName: 'Pixel 2', screenOrientation: 'portrait' },
+  ],
+  // set batch name to the configuration
+  // batchName: `Mermaid ${process.env.APPLI_BRANCH ?? "'no APPLI_BRANCH set'"}`,
+});

bower.json

@@ -1,28 +0,0 @@
-{
-  "name": "mermaid",
-  "version": "0.2.10",
-  "authors": [
-    "knsv <knut@sveido.com>"
-  ],
-  "description": "Markdownish syntax for generating flowcharts",
-  "main": "dist/mermaid.slim.js",
-  "keywords": [
-    "diagram",
-    "markdown",
-    "flowchart"
-  ],
-  "license": "MIT",
-  "ignore": [
-    "**/.*",
-    "node_modules",
-    "vendor",
-    "test",
-    "tests"
-  ],
-  "devDependencies": {
-    "jasmine": "~2.0.4",
-    "dagre": "0.6.2",
-    "d3": "3.3.8",
-    "dagre-d3": "0.3.2"
-  }
-}

cSpell.json

@@ -0,0 +1,157 @@
+{
+  "version": "0.2",
+  "language": "en",
+  "words": [
+    "acyclicer",
+    "adamiecki",
+    "alois",
+    "antiscript",
+    "appli",
+    "applitools",
+    "asciidoctor",
+    "ashish",
+    "astah",
+    "bbox",
+    "bilkent",
+    "bisheng",
+    "blrs",
+    "braintree",
+    "brkt",
+    "brolin",
+    "brotli",
+    "città",
+    "classdef",
+    "codedoc",
+    "colour",
+    "cpettitt",
+    "customizability",
+    "cuzon",
+    "cytoscape",
+    "dagre",
+    "deepdwn",
+    "descr",
+    "docsify",
+    "docsy",
+    "doku",
+    "dompurify",
+    "edgechromium",
+    "elkjs",
+    "faber",
+    "flatmap",
+    "ftplugin",
+    "gantt",
+    "gitea",
+    "gitgraph",
+    "globby",
+    "graphlib",
+    "graphviz",
+    "grav",
+    "greywolf",
+    "huynh",
+    "inkdrop",
+    "jaoude",
+    "jison",
+    "kaufmann",
+    "khroma",
+    "klemm",
+    "klink",
+    "knsv",
+    "knut",
+    "laganeckas",
+    "lintstagedrc",
+    "logmsg",
+    "lucida",
+    "matthieu",
+    "mdast",
+    "mdbook",
+    "mermerd",
+    "micromark",
+    "mindaugas",
+    "mindmap",
+    "mindmaps",
+    "mitigations",
+    "mkdocs",
+    "mult",
+    "orlandoni",
+    "phpbb",
+    "plantuml",
+    "playfair",
+    "pnpm",
+    "podlite",
+    "quence",
+    "radious",
+    "ranksep",
+    "rect",
+    "rects",
+    "redmine",
+    "rehype",
+    "roledescription",
+    "sandboxed",
+    "setupgraphviewbox",
+    "shiki",
+    "sidharth",
+    "sidharthv",
+    "sphinxcontrib",
+    "statediagram",
+    "steph",
+    "stylis",
+    "substate",
+    "sveidqvist",
+    "swimm",
+    "techn",
+    "teststr",
+    "textlength",
+    "treemap",
+    "ts-nocheck",
+    "tuleap",
+    "ugge",
+    "unist",
+    "verdana",
+    "viewports",
+    "vinod",
+    "visio",
+    "vitepress",
+    "xlink",
+    "yash"
+  ],
+  "patterns": [
+    { "name": "Markdown links", "pattern": "\\((.*)\\)", "description": "" },
+    {
+      "name": "Markdown code blocks",
+      "pattern": "/^(\\s*`{3,}).*[\\s\\S]*?^\\1/gmx",
+      "description": "Taken from the cSpell example at https://cspell.org/configuration/patterns/#verbose-regular-expressions"
+    },
+    {
+      "name": "Inline code blocks",
+      "pattern": "\\`([^\\`\\r\\n]+?)\\`",
+      "description": "https://stackoverflow.com/questions/41274241/how-to-capture-inline-markdown-code-but-not-a-markdown-code-fence-with-regex"
+    },
+    { "name": "Link contents", "pattern": "\\<a(.*)\\>", "description": "" },
+    { "name": "Snippet references", "pattern": "-- snippet:(.*)", "description": "" },
+    {
+      "name": "Snippet references 2",
+      "pattern": "\\<\\[sample:(.*)",
+      "description": "another kind of snippet reference"
+    },
+    { "name": "Multi-line code blocks", "pattern": "/^\\s*```[\\s\\S]*?^\\s*```/gm" },
+    {
+      "name": "HTML Tags",
+      "pattern": "<[^>]*>",
+      "description": "Reference: https://stackoverflow.com/questions/11229831/regular-expression-to-remove-html-tags-from-a-string"
+    }
+  ],
+  "ignoreRegExpList": [
+    "Markdown links",
+    "Markdown code blocks",
+    "Inline code blocks",
+    "Link contents",
+    "Snippet references",
+    "Snippet references 2",
+    "Multi-line code blocks",
+    "HTML Tags"
+  ],
+  "ignorePaths": [
+    "packages/mermaid/src/docs/CHANGELOG.md",
+    "packages/mermaid/src/docs/.vitepress/redirect.ts"
+  ]
+}

conf/karma.conf.js

@@ -1,60 +0,0 @@
-// Karma configuration
-// Generated on Mon Nov 03 2014 07:53:38 GMT+0100 (CET)
-
-module.exports = function (config) {
-    config.set({
-
-        // base path that will be used to resolve all patterns (eg. files, exclude)
-        basePath: '',
-
-        // frameworks to use
-        // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
-        frameworks: ['jasmine'],
-
-
-        // list of files / patterns to load in the browser
-        files: [
-            '../src/**/*.js'
-        ],
-
-
-        // list of files to exclude
-        exclude: ['../src/backup/**/*.js'],
-
-
-        // preprocess matching files before serving them to the browser
-        // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
-
-
-        // test results reporter to use
-        // possible values: 'dots', 'progress'
-        // available reporters: https://npmjs.org/browse/keyword/karma-reporter
-        reporters: ['progress'],
-
-
-        // web server port
-        port: 9876,
-
-
-        // enable / disable colors in the output (reporters and logs)
-        colors: true,
-
-
-        // level of logging
-        // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
-        logLevel: config.LOG_DEBUG,
-
-
-        // enable / disable watching file and executing tests whenever any file changes
-        autoWatch: true,
-
-
-        // start these browsers
-        // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-        browsers: ['Chrome'],
-
-        // Continuous Integration mode
-        // if true, Karma captures browsers, runs the tests and exits
-        singleRun: false
-    });
-};

cypress.config.cjs

@@ -0,0 +1,22 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+
+const { defineConfig } = require('cypress');
+const { addMatchImageSnapshotPlugin } = require('cypress-image-snapshot/plugin');
+
+module.exports = defineConfig({
+  projectId: 'n2sma2',
+  e2e: {
+    specPattern: 'cypress/integration/**/*.{js,jsx,ts,tsx}',
+    setupNodeEvents(on, config) {
+      addMatchImageSnapshotPlugin(on, config);
+      // copy any needed variables from process.env to config.env
+      config.env.useAppli = process.env.USE_APPLI ? true : false;
+
+      // do not forget to return the changed config object!
+      return config;
+    },
+  },
+  video: false,
+});
+
+require('@applitools/eyes-cypress')(module);

cypress/.eslintrc.json

@@ -0,0 +1,10 @@
+{
+  "env": {
+    "cypress/globals": true
+  },
+  "extends": ["plugin:cypress/recommended"],
+  "plugins": ["cypress"],
+  "rules": {
+    "cypress/no-unnecessary-waiting": 0
+  }
+}

cypress/fixtures/example.json

@@ -0,0 +1,5 @@
+{
+  "name": "Using fixtures to represent data",
+  "email": "hello@cypress.io",
+  "body": "Fixtures are a great way to mock data for responses to routes"
+}

cypress/helpers/util.js

@@ -0,0 +1,93 @@
+const utf8ToB64 = (str) => {
+  return window.btoa(unescape(encodeURIComponent(str)));
+};
+
+const batchId = 'mermaid-batch' + new Date().getTime();
+
+export const mermaidUrl = (graphStr, options, api) => {
+  const obj = {
+    code: graphStr,
+    mermaid: options,
+  };
+  const objStr = JSON.stringify(obj);
+  let url = 'http://localhost:9000/e2e.html?graph=' + utf8ToB64(objStr);
+  if (api) {
+    url = 'http://localhost:9000/xss.html?graph=' + graphStr;
+  }
+
+  if (options.listUrl) {
+    cy.log(options.listId, ' ', url);
+  }
+
+  return url;
+};
+
+export const imgSnapshotTest = (graphStr, _options = {}, api = false, validation = undefined) => {
+  cy.log(_options);
+  const options = Object.assign(_options);
+  if (!options.fontFamily) {
+    options.fontFamily = 'courier';
+  }
+  if (!options.sequence) {
+    options.sequence = {};
+  }
+  if (!options.sequence || (options.sequence && !options.sequence.actorFontFamily)) {
+    options.sequence.actorFontFamily = 'courier';
+  }
+  if (options.sequence && !options.sequence.noteFontFamily) {
+    options.sequence.noteFontFamily = 'courier';
+  }
+  options.sequence.actorFontFamily = 'courier';
+  options.sequence.noteFontFamily = 'courier';
+  options.sequence.messageFontFamily = 'courier';
+  if (options.sequence && !options.sequence.actorFontFamily) {
+    options.sequence.actorFontFamily = 'courier';
+  }
+  if (!options.fontSize) {
+    options.fontSize = '16px';
+  }
+  const url = mermaidUrl(graphStr, options, api);
+  openURLAndVerifyRendering(url, options, validation);
+};
+
+export const urlSnapshotTest = (url, _options, api = false, validation) => {
+  const options = Object.assign(_options);
+  openURLAndVerifyRendering(url, options, validation);
+};
+
+export const renderGraph = (graphStr, options, api) => {
+  const url = mermaidUrl(graphStr, options, api);
+  openURLAndVerifyRendering(url, options);
+};
+
+const openURLAndVerifyRendering = (url, options, validation = undefined) => {
+  const useAppli = Cypress.env('useAppli');
+  const name = (options.name || cy.state('runnable').fullTitle()).replace(/\s+/g, '-');
+
+  if (useAppli) {
+    cy.log('Opening eyes ' + Cypress.spec.name + ' --- ' + name);
+    cy.eyesOpen({
+      appName: 'Mermaid',
+      testName: name,
+      batchName: Cypress.spec.name,
+      batchId: batchId + Cypress.spec.name,
+    });
+  }
+
+  cy.visit(url);
+  cy.window().should('have.property', 'rendered', true);
+  cy.get('svg').should('be.visible');
+
+  if (validation) {
+    cy.get('svg').should(validation);
+  }
+
+  if (useAppli) {
+    cy.log('Check eyes' + Cypress.spec.name);
+    cy.eyesCheckWindow('Click!');
+    cy.log('Closing eyes' + Cypress.spec.name);
+    cy.eyesClose();
+  } else {
+    cy.matchImageSnapshot(name);
+  }
+};

cypress/integration/other/configuration.spec.js

@@ -0,0 +1,129 @@
+import { renderGraph } from '../../helpers/util.js';
+describe('Configuration', () => {
+  describe('arrowMarkerAbsolute', () => {
+    it('should handle default value false of arrowMarkerAbsolute', () => {
+      renderGraph(
+        `graph TD
+        A[Christmas] -->|Get money| B(Go shopping)
+        B --> C{Let me think}
+        C -->|One| D[Laptop]
+        C -->|Two| E[iPhone]
+        C -->|Three| F[fa:fa-car Car]
+        `,
+        {}
+      );
+
+      // Check the marker-end property to make sure it is properly set to
+      // start with #
+      cy.get('.edgePaths').within(() => {
+        cy.get('path')
+          .first()
+          .should('have.attr', 'marker-end')
+          .should('exist')
+          .and('include', 'url(#');
+      });
+    });
+    it('should handle default value false of arrowMarkerAbsolute', () => {
+      renderGraph(
+        `graph TD
+        A[Christmas] -->|Get money| B(Go shopping)
+        B --> C{Let me think}
+        C -->|One| D[Laptop]
+        C -->|Two| E[iPhone]
+        C -->|Three| F[fa:fa-car Car]
+        `,
+        {}
+      );
+
+      // Check the marker-end property to make sure it is properly set to
+      // start with #
+      cy.get('.edgePaths').within(() => {
+        cy.get('path')
+          .first()
+          .should('have.attr', 'marker-end')
+          .should('exist')
+          .and('include', 'url(#');
+      });
+    });
+    it('should handle arrowMarkerAbsolute explicitly set to false', () => {
+      renderGraph(
+        `graph TD
+        A[Christmas] -->|Get money| B(Go shopping)
+        B --> C{Let me think}
+        C -->|One| D[Laptop]
+        C -->|Two| E[iPhone]
+        C -->|Three| F[fa:fa-car Car]
+        `,
+        {
+          arrowMarkerAbsolute: false,
+        }
+      );
+
+      // Check the marker-end property to make sure it is properly set to
+      // start with #
+      cy.get('.edgePaths').within(() => {
+        cy.get('path')
+          .first()
+          .should('have.attr', 'marker-end')
+          .should('exist')
+          .and('include', 'url(#');
+      });
+    });
+    it('should handle arrowMarkerAbsolute explicitly set to "false" as false', () => {
+      renderGraph(
+        `graph TD
+        A[Christmas] -->|Get money| B(Go shopping)
+        B --> C{Let me think}
+        C -->|One| D[Laptop]
+        C -->|Two| E[iPhone]
+        C -->|Three| F[fa:fa-car Car]
+        `,
+        {
+          arrowMarkerAbsolute: 'false',
+        }
+      );
+
+      // Check the marker-end property to make sure it is properly set to
+      // start with #
+      cy.get('.edgePaths').within(() => {
+        cy.get('path')
+          .first()
+          .should('have.attr', 'marker-end')
+          .should('exist')
+          .and('include', 'url(#');
+      });
+    });
+    it('should handle arrowMarkerAbsolute set to true', () => {
+      renderGraph(
+        `flowchart TD
+        A[Christmas] -->|Get money| B(Go shopping)
+        B --> C{Let me think}
+        C -->|One| D[Laptop]
+        C -->|Two| E[iPhone]
+        C -->|Three| F[fa:fa-car Car]
+        `,
+        {
+          arrowMarkerAbsolute: true,
+        }
+      );
+
+      cy.get('.edgePaths').within(() => {
+        cy.get('path')
+          .first()
+          .should('have.attr', 'marker-end')
+          .should('exist')
+          .and('include', 'url(http://localhost');
+      });
+    });
+    it('should not taint the initial configuration when using multiple directives', () => {
+      const url = 'http://localhost:9000/regression/issue-1874.html';
+      cy.viewport(1440, 1024);
+      cy.visit(url);
+
+      cy.get('svg');
+      cy.matchImageSnapshot(
+        'configuration.spec-should-not-taint-initial-configuration-when-using-multiple-directives'
+      );
+    });
+  });
+});

cypress/integration/other/external-diagrams.spec.js

@@ -0,0 +1,10 @@
+import { urlSnapshotTest } from '../../helpers/util.js';
+
+describe('mermaid', () => {
+  describe('registerDiagram', () => {
+    it('should work on @mermaid-js/mermaid-example-diagram', () => {
+      const url = 'http://localhost:9000/external-diagrams-example-diagram.html';
+      urlSnapshotTest(url, {}, false, false);
+    });
+  });
+});

cypress/integration/other/ghsa.spec.js

@@ -0,0 +1,16 @@
+import { urlSnapshotTest } from '../../helpers/util.js';
+
+describe('CSS injections', () => {
+  it('should not allow CSS injections outside of the diagram', () => {
+    urlSnapshotTest('http://localhost:9000/ghsa1.html', {
+      logLevel: 1,
+      flowchart: { htmlLabels: false },
+    });
+  });
+  it('should not allow adding styletags affecting the page', () => {
+    urlSnapshotTest('http://localhost:9000/ghsa3.html', {
+      logLevel: 1,
+      flowchart: { htmlLabels: false },
+    });
+  });
+});

cypress/integration/other/interaction.spec.js

@@ -0,0 +1,181 @@
+describe('Interaction', () => {
+  describe('Security level loose', () => {
+    beforeEach(() => {
+      cy.visit('http://localhost:9000/click_security_loose.html');
+    });
+
+    it('Graph: should handle a click on a node with a bound function', () => {
+      cy.contains('FunctionTest1').parents('.node').click();
+      cy.get('.created-by-click').should('have.text', 'Clicked By Flow');
+    });
+
+    it('Graph: should handle a click on a node with a bound function with args', () => {
+      cy.contains('FunctionArgTest2').parents('.node').click();
+      cy.get('.created-by-click-2').should('have.text', 'Clicked By Flow: ARGUMENT');
+    });
+
+    it('Flowchart: should handle a click on a node with a bound function where the node starts with a number', () => {
+      cy.contains('2FunctionArg').parents('.node').click();
+      cy.get('.created-by-click-2').should('have.text', 'Clicked By Flow: ARGUMENT');
+    });
+
+    it('Graph: should handle a click on a node with a bound url', () => {
+      // When there is a URL, cy.contains selects the a tag instead of the span. The .node is a child of a, so we have to use find instead of parent.
+      cy.contains('URLTest1').find('.node').click();
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('Graph: should handle a click on a node with a bound url where the node starts with a number', () => {
+      cy.contains('2URL').find('.node').click();
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('Flowchart-v2: should handle a click on a node with a bound function', () => {
+      cy.contains('FunctionTest2').parents('.node').click();
+      cy.get('.created-by-click').should('have.text', 'Clicked By Flow');
+    });
+
+    it('Flowchart-v2: should handle a click on a node with a bound function where the node starts with a number', () => {
+      cy.contains('10Function').parents('.node').click();
+      cy.get('.created-by-click').should('have.text', 'Clicked By Flow');
+    });
+
+    it('Flowchart-v2: should handle a click on a node with a bound url', () => {
+      cy.contains('URLTest2').find('.node').click();
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('Flowchart-v2: should handle a click on a node with a bound url where the node starts with a number', () => {
+      cy.contains('20URL').find('.node').click();
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('should handle a click on a task with a bound URL clicking on the rect', () => {
+      cy.get('rect#cl1').click({ force: true });
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('should handle a click on a task with a bound URL clicking on the text', () => {
+      cy.get('text#cl1-text').click({ force: true });
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('should handle a click on a task with a bound function without args', () => {
+      cy.get('rect#cl2').click({ force: true });
+      cy.get('.created-by-gant-click').should('have.text', 'Clicked By Gant cl2');
+    });
+
+    it('should handle a click on a task with a bound function with args', () => {
+      cy.get('rect#cl3').click({ force: true });
+      cy.get('.created-by-gant-click').should('have.text', 'Clicked By Gant test1 test2 test3');
+    });
+
+    it('should handle a click on a task with a bound function without args', () => {
+      cy.get('text#cl2-text').click({ force: true });
+      cy.get('.created-by-gant-click').should('have.text', 'Clicked By Gant cl2');
+    });
+
+    it('should handle a click on a task with a bound function with args ', () => {
+      cy.get('text#cl3-text').click({ force: true });
+      cy.get('.created-by-gant-click').should('have.text', 'Clicked By Gant test1 test2 test3');
+    });
+  });
+
+  describe('Interaction - security level tight', () => {
+    beforeEach(() => {
+      cy.visit('http://localhost:9000/click_security_strict.html');
+    });
+    it('should handle a click on a node without a bound function', () => {
+      cy.contains('Function1').parents('.node').click();
+      cy.get('.created-by-click').should('not.exist');
+    });
+
+    it('should handle a click on a node with a bound function where the node starts with a number', () => {
+      cy.contains('1Function').parents('.node').click();
+      cy.get('.created-by-click').should('not.exist');
+    });
+
+    it('should handle a click on a node with a bound url', () => {
+      cy.contains('URL1').find('.node').click();
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('should handle a click on a node with a bound url where the node starts with a number', () => {
+      cy.contains('2URL').find('.node').click();
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('should handle a click on a task with a bound URL clicking on the rect', () => {
+      cy.get('rect#cl1').click({ force: true });
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('should handle a click on a task with a bound URL clicking on the text', () => {
+      cy.get('text#cl1-text').click({ force: true });
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('should handle a click on a task with a bound function', () => {
+      cy.get('rect#cl2').click({ force: true });
+      cy.get('.created-by-gant-click').should('not.exist');
+    });
+
+    it('should handle a click on a task with a bound function', () => {
+      cy.get('text#cl2-text').click({ force: true });
+      cy.get('.created-by-gant-click').should('not.exist');
+    });
+  });
+
+  describe('Interaction - security level other, missspelling', () => {
+    beforeEach(() => {
+      cy.visit('http://localhost:9000/click_security_other.html');
+    });
+
+    it('should handle a click on a node with a bound function', () => {
+      cy.contains('Function1').parents('.node').click();
+      cy.get('.created-by-click').should('not.exist');
+    });
+
+    it('should handle a click on a node with a bound function where the node starts with a number', () => {
+      cy.contains('1Function').parents('.node').click();
+      cy.get('.created-by-click').should('not.exist');
+    });
+
+    it('should handle a click on a node with a bound url', () => {
+      cy.contains('URL1').find('.node').click();
+      cy.location().should(({ href }) => {
+        expect(href).to.eq('http://localhost:9000/empty.html');
+      });
+    });
+
+    it('should handle a click on a task with a bound function', () => {
+      cy.get('rect#cl2').click({ force: true });
+      cy.get('.created-by-gant-click').should('not.exist');
+    });
+
+    it('should handle a click on a task with a bound function', () => {
+      cy.get('text#cl2-text').click({ force: true });
+      cy.get('.created-by-gant-click').should('not.exist');
+    });
+  });
+});

cypress/integration/other/rerender.spec.js

@@ -0,0 +1,19 @@
+describe('Rerendering', () => {
+  it('should be able to render after an error has occurred', () => {
+    const url = 'http://localhost:9000/render-after-error.html';
+    cy.viewport(1440, 1024);
+    cy.visit(url);
+    cy.get('#graphDiv').should('exist');
+  });
+
+  it('should be able to render and rerender a graph via API', () => {
+    const url = 'http://localhost:9000/rerender.html';
+    cy.viewport(1440, 1024);
+    cy.visit(url);
+    cy.get('#graph [id^=flowchart-A]').should('have.text', 'XMas');
+
+    cy.get('body').find('#rerender').click({ force: true });
+
+    cy.get('#graph [id^=flowchart-A]').should('have.text', 'Saturday');
+  });
+});

cypress/integration/other/webpackUsage.spec.js

@@ -0,0 +1,16 @@
+describe('Sequencediagram', () => {
+  it('should render a simple sequence diagrams', () => {
+    const url = 'http://localhost:9000/webpackUsage.html';
+
+    cy.visit(url);
+    cy.get('body').find('svg').should('have.length', 1);
+  });
+  it('should handle html escapings properly', () => {
+    const url = 'http://localhost:9000/webpackUsage.html?test-html-escaping=true';
+
+    cy.visit(url);
+    cy.get('body').find('svg').should('have.length', 1);
+
+    cy.get('g.label > foreignobject > div').should('not.contain.text', '<b>');
+  });
+});

cypress/integration/other/xss.spec.js

@@ -0,0 +1,135 @@
+import { mermaidUrl } from '../../helpers/util.js';
+describe('XSS', () => {
+  it('should handle xss in tags', () => {
+    const str =
+      'eyJjb2RlIjoiXG5ncmFwaCBMUlxuICAgICAgQi0tPkQoPGltZyBvbmVycm9yPWxvY2F0aW9uPWBqYXZhc2NyaXB0XFx1MDAzYXhzc0F0dGFja1xcdTAwMjhkb2N1bWVudC5kb21haW5cXHUwMDI5YCBzcmM9eD4pOyIsIm1lcm1haWQiOnsidGhlbWUiOiJkZWZhdWx0In19';
+
+    const url = mermaidUrl(str, {}, true);
+
+    cy.visit(url);
+    cy.wait(1000).then(() => {
+      cy.get('.mermaid').should('exist');
+    });
+    cy.get('svg');
+  });
+
+  it('should not allow tags in the css', () => {
+    const str =
+      'eyJjb2RlIjoiJSV7aW5pdDogeyAnZm9udEZhbWlseSc6ICdcXFwiPjwvc3R5bGU+PGltZyBzcmM9eCBvbmVycm9yPXhzc0F0dGFjaygpPid9IH0lJVxuZ3JhcGggTFJcbiAgICAgQSAtLT4gQiIsIm1lcm1haWQiOnsidGhlbWUiOiJkZWZhdWx0IiwiZmxvd2NoYXJ0Ijp7Imh0bWxMYWJlbHMiOmZhbHNlfX0sInVwZGF0ZUVkaXRvciI6ZmFsc2V9';
+
+    const url = mermaidUrl(
+      str,
+      {
+        theme: 'default',
+        flowchart: {
+          htmlMode: false,
+        },
+      },
+      true
+    );
+
+    cy.visit(url);
+    cy.wait(1000).then(() => {
+      cy.get('#the-malware').should('not.exist');
+    });
+  });
+
+  it('should handle xss in tags in non-html mode', () => {
+    const str =
+      'eyJjb2RlIjoiXG5ncmFwaCBMUlxuICAgICAgQi0tPkQoPGltZyBvbmVycm9yPWxvY2F0aW9uPWBqYXZhc2NyaXB0XFx1MDAzYXhzc0F0dGFja1xcdTAwMjhkb2N1bWVudC5kb21haW5cXHUwMDI5YCBzcmM9eD4pOyIsIm1lcm1haWQiOnsidGhlbWUiOiJkZWZhdWx0IiwiZmxvd2NoYXJ0Ijp7Imh0bWxMYWJlbHMiOmZhbHNlfX19';
+
+    const url = mermaidUrl(
+      str,
+      {
+        theme: 'default',
+        flowchart: {
+          htmlMode: false,
+        },
+      },
+      true
+    );
+
+    cy.visit(url);
+    cy.wait(1000);
+
+    cy.get('#the-malware').should('not.exist');
+  });
+
+  it('should not allow changing the __proto__ attribute using config', () => {
+    cy.visit('http://localhost:9000/xss2.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating htmlLabels into a false positive', () => {
+    cy.visit('http://localhost:9000/xss4.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript', () => {
+    cy.visit('http://localhost:9000/xss5.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript using onerror', () => {
+    cy.visit('http://localhost:9000/xss6.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript using onerror in state diagrams with dagre wrapper', () => {
+    cy.visit('http://localhost:9000/xss8.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript using onerror in state diagrams with dagre d3', () => {
+    cy.on('uncaught:exception', (_err, _runnable) => {
+      return false; // continue rendering even if there if mermaid throws an error
+    });
+    cy.visit('http://localhost:9000/xss9.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript using onerror in state diagrams with dagre d3', () => {
+    cy.visit('http://localhost:9000/xss10.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript using onerror in state diagrams with dagre d3', () => {
+    cy.visit('http://localhost:9000/xss11.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript using onerror in state diagrams with dagre d3', () => {
+    cy.visit('http://localhost:9000/xss12.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript using onerror in state diagrams with dagre d3', () => {
+    cy.visit('http://localhost:9000/xss13.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should not allow manipulating antiscript to run javascript iframes in class diagrams', () => {
+    cy.visit('http://localhost:9000/xss14.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should sanitize cardinalities properly in class diagrams', () => {
+    cy.visit('http://localhost:9000/xss18.html');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should sanitize colons properly', () => {
+    cy.visit('http://localhost:9000/xss20.html');
+    cy.wait(1000);
+    cy.get('a').click('');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+  it('should sanitize colons properly', () => {
+    cy.visit('http://localhost:9000/xss21.html');
+    cy.wait(1000);
+    cy.get('a').click('');
+    cy.wait(1000);
+    cy.get('#the-malware').should('not.exist');
+  });
+});

cypress/integration/rendering/appli.spec.js

@@ -0,0 +1,59 @@
+import { imgSnapshotTest } from '../../helpers/util.js';
+
+describe('Git Graph diagram', () => {
+  it('1: should render a simple gitgraph with commit on main branch', () => {
+    imgSnapshotTest(
+      `gitGraph
+       commit id: "1"
+       commit id: "2"
+       commit id: "3"
+      `,
+      {}
+    );
+  });
+  // it(`ultraFastTest`, function () {
+  //   // Navigate to the url we want to test
+  //   // ⭐️ Note to see visual bugs, run the test using the above URL for the 1st run.
+  //   // but then change the above URL to https://demo.applitools.com/index_v2.html
+  //   // (for the 2nd run)
+  //   cy.visit('https://demo.applitools.com');
+
+  //   // Call Open on eyes to initialize a test session
+  //   cy.eyesOpen({
+  //     appName: 'Demo App',
+  //     testName: 'UltraFast grid demo',
+  //   });
+
+  //   // check the login page with fluent api, see more info here
+  //   // https://applitools.com/docs/topics/sdk/the-eyes-sdk-check-fluent-api.html
+  //   cy.eyesCheckWindow({
+  //     tag: 'Login Window',
+  //     target: 'window',
+  //     fully: true,
+  //   });
+
+  //   cy.get('#log-in').click();
+
+  //   // Check the app page
+  //   cy.eyesCheckWindow({
+  //     tag: 'App Window',
+  //     target: 'window',
+  //     fully: true,
+  //   });
+
+  //   // Call Close on eyes to let the server know it should display the results
+  //   cy.eyesClose();
+  // });
+  // it('works', () => {
+  //   cy.visit('https://applitools.com/helloworld');
+  //   cy.eyesOpen({
+  //     appName: 'Hello World!',
+  //     testName: 'My first JavaScript test!',
+  //     browser: { width: 800, height: 600 },
+  //   });
+  //   cy.eyesCheckWindow('Main Page');
+  //   cy.get('button').click();
+  //   cy.eyesCheckWindow('Click!');
+  //   cy.eyesClose();
+  // });
+});

cypress/integration/rendering/c4.spec.js

@@ -0,0 +1,122 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+
+describe('C4 diagram', () => {
+  it('should render a simple C4Context diagram', () => {
+    imgSnapshotTest(
+      `
+      C4Context
+      accTitle: C4 context demo
+      accDescr: Many large C4 diagrams
+
+      title System Context diagram for Internet Banking System
+
+      Enterprise_Boundary(b0, "BankBoundary0") {
+          Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
+
+          System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")
+
+          Enterprise_Boundary(b1, "BankBoundary") {
+            System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
+          }
+        }
+
+      BiRel(customerA, SystemAA, "Uses")
+      Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
+      Rel(SystemC, customerA, "Sends e-mails to")
+
+      UpdateElementStyle(customerA, $fontColor="red", $bgColor="grey", $borderColor="red")
+      UpdateRelStyle(customerA, SystemAA, $textColor="blue", $lineColor="blue", $offsetX="5")
+      UpdateRelStyle(SystemC, customerA, $textColor="red", $lineColor="red", $offsetX="-50", $offsetY="20")
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should render a simple C4Container diagram', () => {
+    imgSnapshotTest(
+      `
+      C4Container
+      title Container diagram for Internet Banking System
+
+      System_Ext(email_system, "E-Mail System", "The internal Microsoft Exchange system", $tags="v1.0")
+      Person(customer, Customer, "A customer of the bank, with personal bank accounts", $tags="v1.0")
+
+      Container_Boundary(c1, "Internet Banking") {
+          Container(spa, "Single-Page App", "JavaScript, Angular", "Provides all the Internet banking functionality to customers via their web browser")
+      }
+
+      Rel(customer, spa, "Uses", "HTTPS")
+      Rel(email_system, customer, "Sends e-mails to")
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should render a simple C4Component diagram', () => {
+    imgSnapshotTest(
+      `
+      C4Component
+      title Component diagram for Internet Banking System - API Application
+
+      Container(spa, "Single Page Application", "javascript and angular", "Provides all the internet banking functionality to customers via their web browser.")
+
+      Container_Boundary(api, "API Application") {
+        Component(sign, "Sign In Controller", "MVC Rest Controller", "Allows users to sign in to the internet banking system")
+      }
+
+      Rel_Back(spa, sign, "Uses", "JSON/HTTPS")
+      UpdateRelStyle(spa, sign, $offsetY="-40")
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should render a simple C4Dynamic diagram', () => {
+    imgSnapshotTest(
+      `
+      C4Dynamic
+      title Dynamic diagram for Internet Banking System - API Application
+
+      ContainerDb(c4, "Database", "Relational Database Schema", "Stores user registration information, hashed authentication credentials, access logs, etc.")
+      Container(c1, "Single-Page Application", "JavaScript and Angular", "Provides all of the Internet banking functionality to customers via their web browser.")
+      Container_Boundary(b, "API Application") {
+        Component(c3, "Security Component", "Spring Bean", "Provides functionality Related to signing in, changing passwords, etc.")
+        Component(c2, "Sign In Controller", "Spring MVC Rest Controller", "Allows users to sign in to the Internet Banking System.")
+      }
+      Rel(c1, c2, "Submits credentials to", "JSON/HTTPS")
+      Rel(c2, c3, "Calls isAuthenticated() on")
+      Rel(c3, c4, "select * from users where username = ?", "JDBC")
+
+      UpdateRelStyle(c1, c2, $textColor="red", $offsetY="-40")
+      UpdateRelStyle(c2, c3, $textColor="red", $offsetX="-40", $offsetY="60")
+      UpdateRelStyle(c3, c4, $textColor="red", $offsetY="-40", $offsetX="10")
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('should render a simple C4Deployment diagram', () => {
+    imgSnapshotTest(
+      `
+      C4Deployment
+      title Deployment Diagram for Internet Banking System - Live
+
+      Deployment_Node(mob, "Customer's mobile device", "Apple IOS or Android"){
+          Container(mobile, "Mobile App", "Xamarin", "Provides a limited subset of the Internet Banking functionality to customers via their mobile device.")
+      }
+
+      Deployment_Node(plc, "Big Bank plc", "Big Bank plc data center"){
+          Deployment_Node(dn, "bigbank-api*** x8", "Ubuntu 16.04 LTS"){
+              Deployment_Node(apache, "Apache Tomcat", "Apache Tomcat 8.x"){
+                  Container(api, "API Application", "Java and Spring MVC", "Provides Internet Banking functionality via a JSON/HTTPS API.")
+              }
+          }
+      }
+
+      Rel(mobile, api, "Makes API calls to", "json/HTTPS")
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+});

cypress/integration/rendering/classDiagram-v2.spec.js

@@ -0,0 +1,551 @@
+import { imgSnapshotTest } from '../../helpers/util.js';
+describe('Class diagram V2', () => {
+  it('0: should render a simple class diagram', () => {
+    imgSnapshotTest(
+      `
+        classDiagram-v2
+
+        classA -- classB : Inheritance
+        classA -- classC : link
+        classC -- classD : link
+        classB -- classD
+
+        `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('1: should render a simple class diagram', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      Class01 <|-- AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 *-- Class04
+      Class05 o-- Class06
+      Class07 .. Class08
+      Class09 --> C2 : Where am i?
+      Class09 --* C3
+      Class09 --|> Class07
+      Class12 <|.. Class08
+      Class11 ..>Class12
+      Class07 : equals()
+      Class07 : Object[] elementData
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class01 : -int privateChimp
+      Class01 : +int publicGorilla
+      Class01 : #int protectedMarmoset
+      Class08 <--> C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('2: should render a simple class diagrams with cardinality', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      Class01 "1" <|--|> "*" AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 "1" *-- "*" Class04
+      Class05 "1" o-- "many" Class06
+      Class07 "1" .. "*" Class08
+      Class09 "1" --> "*" C2 : Where am i?
+      Class09 "*" --* "*" C3
+      Class09 "1" --|> "1" Class07
+      Class07  : equals()
+      Class07  : Object[] elementData
+      Class01  : size()
+      Class01  : int chimp
+      Class01  : int gorilla
+      Class08 "1" <--> "*" C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('should render a simple class diagram with different visibilities', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      Class01 <|-- AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class01 : -privateMethod()
+      Class01 : +publicMethod()
+      Class01 : #protectedMethod()
+      Class01 : -int privateChimp
+      Class01 : +int publicGorilla
+      Class01 : #int protectedMarmoset
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('should render multiple class diagrams', () => {
+    imgSnapshotTest(
+      [
+        `
+    classDiagram-v2
+      Class01 "1" <|--|> "*" AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 "1" *-- "*" Class04
+      Class05 "1" o-- "many" Class06
+      Class07 "1" .. "*" Class08
+      Class09 "1" --> "*" C2 : Where am i?
+      Class09 "*" --* "*" C3
+      Class09 "1" --|> "1" Class07
+      Class07  : equals()
+      Class07  : Object[] elementData
+      Class01  : size()
+      Class01  : int chimp
+      Class01  : int gorilla
+      Class08 "1" <--> "*" C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+        `
+    classDiagram-v2
+      Class01 "1" <|--|> "*" AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 "1" *-- "*" Class04
+      Class05 "1" o-- "many" Class06
+      Class07 "1" .. "*" Class08
+      Class09 "1" --> "*" C2 : Where am i?
+      Class09 "*" --* "*" C3
+      Class09 "1" --|> "1" Class07
+      Class07  : equals()
+      Class07  : Object[] elementData
+      Class01  : size()
+      Class01  : int chimp
+      Class01  : int gorilla
+      Class08 "1" <--> "*" C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      ],
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('4: should render a simple class diagram with comments', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      %% this is a comment
+      Class01 <|-- AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 *-- Class04
+      Class05 o-- Class06
+      Class07 .. Class08
+      Class09 --> C2 : Where am i?
+      Class09 --* C3
+      Class09 --|> Class07
+      Class07 : equals()
+      Class07 : Object[] elementData
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('5: should render a simple class diagram with abstract method', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      Class01 <|-- AveryLongClass : Cool
+      Class01 : someMethod()*
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('6: should render a simple class diagram with static method', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      Class01 <|-- AveryLongClass : Cool
+      Class01 : someMethod()$
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('7: should render a simple class diagram with Generic class', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+    class Class01~T~
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10~T~ {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('8: should render a simple class diagram with Generic class and relations', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+    Class01~T~ <|-- AveryLongClass : Cool
+    Class03~T~ *-- Class04~T~
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10~T~ {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('9: should render a simple class diagram with clickable link', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+    Class01~T~ <|-- AveryLongClass : Cool
+    Class03~T~ *-- Class04~T~
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10~T~ {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      link Class01 "google.com" "A Tooltip"
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('10: should render a simple class diagram with clickable callback', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+    Class01~T~ <|-- AveryLongClass : Cool
+    Class03~T~ *-- Class04~T~
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10~T~ {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      callback Class01 "functionCall" "A Tooltip"
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('11: should render a simple class diagram with return type on method', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      class Class10~T~ {
+        int[] id
+        test(int[] ids) bool
+        testArray() bool[]
+      }
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('12: should render a simple class diagram with generic types', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      class Class10~T~ {
+        int[] id
+        List~int~ ids
+        test(List~int~ ids) List~bool~
+        testArray() bool[]
+      }
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('13: should render a simple class diagram with css classes applied', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      class Class10 {
+        int[] id
+        List~int~ ids
+        test(List~int~ ids) List~bool~
+        testArray() bool[]
+      }
+
+      cssClass "Class10" exClass2
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('14: should render a simple class diagram with css classes applied directly', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      class Class10:::exClass2 {
+        int[] id
+        List~int~ ids
+        test(List~int~ ids) List~bool~
+        testArray() bool[]
+      }
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('15: should render a simple class diagram with css classes applied two multiple classes', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      class Class10
+      class Class20
+
+      cssClass "Class10, class20" exClass2
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('16a: should render a simple class diagram with static field', () => {
+    imgSnapshotTest(
+      `
+    classDiagram-v2
+      class Foo {
+        +String bar$
+      }
+            `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('16b: should handle the direction statement with TB', () => {
+    imgSnapshotTest(
+      `
+      classDiagram
+        direction TB
+        class Student {
+          -idCard : IdCard
+        }
+        class IdCard{
+          -id : int
+          -name : string
+        }
+        class Bike{
+          -id : int
+          -name : string
+        }
+        Student "1" --o "1" IdCard : carries
+        Student "1" --o "1" Bike : rides
+
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('18: should handle the direction statement with LR', () => {
+    imgSnapshotTest(
+      `
+      classDiagram
+        direction LR
+        class Student {
+          -idCard : IdCard
+        }
+        class IdCard{
+          -id : int
+          -name : string
+        }
+        class Bike{
+          -id : int
+          -name : string
+        }
+        Student "1" --o "1" IdCard : carries
+        Student "1" --o "1" Bike : rides
+
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+  it('17a: should handle the direction statement with BT', () => {
+    imgSnapshotTest(
+      `
+      classDiagram
+        direction BT
+        class Student {
+          -idCard : IdCard
+        }
+        class IdCard{
+          -id : int
+          -name : string
+        }
+        class Bike{
+          -id : int
+          -name : string
+        }
+        Student "1" --o "1" IdCard : carries
+        Student "1" --o "1" Bike : rides
+
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+  it('17b: should handle the direction statement with RL', () => {
+    imgSnapshotTest(
+      `
+      classDiagram
+        direction RL
+        class Student {
+          -idCard : IdCard
+        }
+        class IdCard{
+          -id : int
+          -name : string
+        }
+        class Bike{
+          -id : int
+          -name : string
+        }
+        Student "1" --o "1" IdCard : carries
+        Student "1" --o "1" Bike : rides
+
+      `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('18: should render a simple class diagram with notes', () => {
+    imgSnapshotTest(
+      `
+      classDiagram-v2
+        note "I love this diagram!\nDo you love it?"
+        class Class10 {
+            int id
+          size()
+        }
+        note for Class10 "Cool class\nI said it's very cool class!"
+
+        `,
+      { logLevel: 1, flowchart: { htmlLabels: false } }
+    );
+  });
+
+  it('1433: should render a simple class with a title', () => {
+    imgSnapshotTest(
+      `---
+title: simple class diagram
+---
+classDiagram-v2
+class Class10
+`
+    );
+  });
+
+  it('should render a class with text label', () => {
+    imgSnapshotTest(
+      `classDiagram
+  class C1["Class 1 with text label"]
+  C1 -->  C2`
+    );
+  });
+
+  it('should render two classes with text labels', () => {
+    imgSnapshotTest(
+      `classDiagram
+  class C1["Class 1 with text label"]
+  class C2["Class 2 with chars @?"]
+  C1 -->  C2`
+    );
+  });
+  it('should render a class with a text label, members and annotation', () => {
+    imgSnapshotTest(
+      `classDiagram
+  class C1["Class 1 with text label"] {
+    &lt;&lt;interface&gt;&gt;
+    +member1
+  }
+  C1 -->  C2`
+    );
+  });
+  it('should render multiple classes with same text labels', () => {
+    imgSnapshotTest(
+      `classDiagram
+class C1["Class with text label"]
+class C2["Class with text label"]
+class C3["Class with text label"]
+C1 --> C2
+C3 ..> C2
+  `
+    );
+  });
+  it('should render classes with different text labels', () => {
+    imgSnapshotTest(
+      `classDiagram
+class C1["OneWord"]
+class C2["With, Comma"]
+class C3["With (Brackets)"]
+class C4["With [Brackets]"]
+class C5["With {Brackets}"]
+class C7["With 1 number"]
+class C8["With . period..."]
+class C9["With - dash"]
+class C10["With _ underscore"]
+class C11["With ' single quote"]
+class C12["With ~!@#$%^&*()_+=-/?"]
+class C13["With Città foreign language"]
+  `
+    );
+  });
+
+  it('should render classLabel if class has already been defined earlier', () => {
+    imgSnapshotTest(
+      `classDiagram
+  Animal <|-- Duck
+  class Duck["Duck with text label"]
+`
+    );
+  });
+});

cypress/integration/rendering/classDiagram.spec.js

@@ -0,0 +1,426 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+
+describe('Class diagram', () => {
+  it('1: should render a simple class diagram', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      Class01 <|-- AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 *-- Class04
+      Class05 o-- Class06
+      Class07 .. Class08
+      Class09 --> C2 : Where am i?
+      Class09 --* C3
+      Class09 --|> Class07
+      Class12 <|.. Class08
+      Class11 ..>Class12
+      Class07 : equals()
+      Class07 : Object[] elementData
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class01 : -int privateChimp
+      Class01 : +int publicGorilla
+      Class01 : #int protectedMarmoset
+      Class08 <--> C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      { logLevel: 1 }
+    );
+    cy.get('svg');
+  });
+
+  it('2: should render a simple class diagrams with cardinality', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      Class01 "1" <|--|> "*" AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 "1" *-- "*" Class04
+      Class05 "1" o-- "many" Class06
+      Class07 "1" .. "*" Class08
+      Class09 "1" --> "*" C2 : Where am i?
+      Class09 "*" --* "*" C3
+      Class09 "1" --|> "1" Class07
+      Class07  : equals()
+      Class07  : Object[] elementData
+      Class01  : size()
+      Class01  : int chimp
+      Class01  : int gorilla
+      Class08 "1" <--> "*" C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('3: should render a simple class diagram with different visibilities', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      Class01 <|-- AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class01 : -privateMethod()
+      Class01 : +publicMethod()
+      Class01 : #protectedMethod()
+      Class01 : -int privateChimp
+      Class01 : +int publicGorilla
+      Class01 : #int protectedMarmoset
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('4: should render a simple class diagram with comments', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      %% this is a comment
+      Class01 <|-- AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 *-- Class04
+      Class05 o-- Class06
+      Class07 .. Class08
+      Class09 --> C2 : Where am i?
+      Class09 --* C3
+      Class09 --|> Class07
+      Class07 : equals()
+      Class07 : Object[] elementData
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('5: should render a simple class diagram with abstract method', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      Class01 <|-- AveryLongClass : Cool
+      Class01 : someMethod()*
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('6: should render a simple class diagram with static method', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      Class01 <|-- AveryLongClass : Cool
+      Class01 : someMethod()$
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('7: should render a simple class diagram with Generic class', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+    class Class01~T~
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10~T~ {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('8: should render a simple class diagram with Generic class and relations', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+    Class01~T~ <|-- AveryLongClass : Cool
+    Class03~T~ *-- Class04~T~
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10~T~ {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('9: should render a simple class diagram with clickable link', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+    Class01~T~ <|-- AveryLongClass : Cool
+    Class03~T~ *-- Class04~T~
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10~T~ {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      link Class01 "google.com" "A Tooltip"
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('10: should render a simple class diagram with clickable callback', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+    Class01~T~ <|-- AveryLongClass : Cool
+    Class03~T~ *-- Class04~T~
+      Class01 : size()
+      Class01 : int chimp
+      Class01 : int gorilla
+      Class08 <--> C2: Cool label
+      class Class10~T~ {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      callback Class01 "functionCall" "A Tooltip"
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('11: should render a simple class diagram with return type on method', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      class Class10~T~ {
+        int[] id
+        test(int[] ids) bool
+        testArray() bool[]
+      }
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('12: should render a simple class diagram with generic types', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      class Class10~T~ {
+        int[] id
+        List~int~ ids
+        test(List~int~ ids) List~bool~
+        testArray() bool[]
+      }
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('13: should render a simple class diagram with css classes applied', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      class Class10 {
+        int[] id
+        List~int~ ids
+        test(List~int~ ids) List~bool~
+        testArray() bool[]
+      }
+
+      class Class10:::exClass2
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('14: should render a simple class diagram with css classes applied directly', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      class Class10:::exClass2 {
+        int[] id
+        List~int~ ids
+        test(List~int~ ids) List~bool~
+        testArray() bool[]
+      }
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('15: should render a simple class diagram with css classes applied to multiple classes', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      class Class10
+      class Class20
+
+      cssClass "Class10, Class20" exClass2
+      class Class20:::exClass2
+      `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('16: should render multiple class diagrams', () => {
+    imgSnapshotTest(
+      [
+        `
+    classDiagram
+      Class01 "1" <|--|> "*" AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 "1" *-- "*" Class04
+      Class05 "1" o-- "many" Class06
+      Class07 "1" .. "*" Class08
+      Class09 "1" --> "*" C2 : Where am i?
+      Class09 "*" --* "*" C3
+      Class09 "1" --|> "1" Class07
+      Class07  : equals()
+      Class07  : Object[] elementData
+      Class01  : size()
+      Class01  : int chimp
+      Class01  : int gorilla
+      Class08 "1" <--> "*" C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+        `
+    classDiagram
+      Class01 "1" <|--|> "*" AveryLongClass : Cool
+      &lt;&lt;interface&gt;&gt; Class01
+      Class03 "1" *-- "*" Class04
+      Class05 "1" o-- "many" Class06
+      Class07 "1" .. "*" Class08
+      Class09 "1" --> "*" C2 : Where am i?
+      Class09 "*" --* "*" C3
+      Class09 "1" --|> "1" Class07
+      Class07  : equals()
+      Class07  : Object[] elementData
+      Class01  : size()
+      Class01  : int chimp
+      Class01  : int gorilla
+      Class08 "1" <--> "*" C2: Cool label
+      class Class10 {
+        &lt;&lt;service&gt;&gt;
+        int id
+        test()
+      }
+      `,
+      ],
+      {}
+    );
+    cy.get('svg');
+  });
+
+  // it('17: should render a class diagram when useMaxWidth is true (default)', () => {
+  //   renderGraph(
+  //     `
+  //   classDiagram
+  //     Class01 <|-- AveryLongClass : Cool
+  //     Class01 : size()
+  //     Class01 : int chimp
+  //     Class01 : int gorilla
+  //     Class01 : -int privateChimp
+  //     Class01 : +int publicGorilla
+  //     Class01 : #int protectedMarmoset
+  //     `,
+  //     { class: { useMaxWidth: true } }
+  //   );
+  //   cy.get('svg')
+  //     .should((svg) => {
+  //       expect(svg).to.have.attr('width', '100%');
+  //       const height = parseFloat(svg.attr('height'));
+  //       expect(height).to.be.within(332, 333);
+  //      // expect(svg).to.have.attr('height', '218');
+  //       const style = svg.attr('style');
+  //       expect(style).to.match(/^max-width: [\d.]+px;$/);
+  //       const maxWidthValue = parseInt(style.match(/[\d.]+/g).join(''));
+  //       // use within because the absolute value can be slightly different depending on the environment ±5%
+  //       expect(maxWidthValue).to.be.within(203, 204);
+  //     });
+  // });
+
+  // it('18: should render a class diagram when useMaxWidth is false', () => {
+  //   renderGraph(
+  //     `
+  //   classDiagram
+  //     Class01 <|-- AveryLongClass : Cool
+  //     Class01 : size()
+  //     Class01 : int chimp
+  //     Class01 : int gorilla
+  //     Class01 : -int privateChimp
+  //     Class01 : +int publicGorilla
+  //     Class01 : #int protectedMarmoset
+  //     `,
+  //     { class: { useMaxWidth: false } }
+  //   );
+  //   cy.get('svg')
+  //     .should((svg) => {
+  //       const width = parseFloat(svg.attr('width'));
+  //       // use within because the absolute value can be slightly different depending on the environment ±5%
+  //       expect(width).to.be.within(100, 101);
+  //       const height = parseFloat(svg.attr('height'));
+  //       expect(height).to.be.within(332, 333);
+  //      // expect(svg).to.have.attr('height', '332');
+  //      // expect(svg).to.not.have.attr('style');
+  //     });
+  // });
+
+  it('19: should render a simple class diagram with notes', () => {
+    imgSnapshotTest(
+      `
+    classDiagram
+      note "I love this diagram!\nDo you love it?"
+      class Class10 {
+        int id
+        size()
+      }
+      note for Class10 "Cool class\nI said it's very cool class!"
+      `,
+      { logLevel: 1 }
+    );
+    cy.get('svg');
+  });
+});

cypress/integration/rendering/conf-and-directives.spec.js

@@ -0,0 +1,140 @@
+import { imgSnapshotTest } from '../../helpers/util.js';
+
+describe('Configuration and directives - nodes should be light blue', () => {
+  it('No config - use default', () => {
+    imgSnapshotTest(
+      `
+      graph TD
+          A(Default) --> B[/Another/]
+          A --> C[End]
+          subgraph section
+            B
+            C
+          end
+        `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('Settings from initialize - nodes should be green', () => {
+    imgSnapshotTest(
+      `
+graph TD
+          A(Forest) --> B[/Another/]
+          A --> C[End]
+          subgraph section
+            B
+            C
+          end          `,
+      { theme: 'forest' }
+    );
+    cy.get('svg');
+  });
+  it('Settings from initialize overriding themeVariable - nodes should be red', () => {
+    imgSnapshotTest(
+      `
+
+
+        %%{init: { 'theme': 'base', 'themeVariables':{ 'primaryColor': '#ff0000'}}}%%
+graph TD
+          A(Start) --> B[/Another/]
+          A[/Another/] --> C[End]
+          subgraph section
+            B
+            C
+          end
+        `,
+      { theme: 'base', themeVariables: { primaryColor: '#ff0000' }, logLevel: 0 }
+    );
+    cy.get('svg');
+  });
+  it('Settings from directive - nodes should be grey', () => {
+    imgSnapshotTest(
+      `
+        %%{init: { 'logLevel': 0, 'theme': 'neutral'} }%%
+graph TD
+          A(Start) --> B[/Another/]
+          A[/Another/] --> C[End]
+          subgraph section
+            B
+            C
+          end
+        `,
+      {}
+    );
+    cy.get('svg');
+  });
+
+  it('Settings from directive overriding theme variable - nodes should be red', () => {
+    imgSnapshotTest(
+      `
+          %%{init: {'theme': 'base', 'themeVariables':{ 'primaryColor': '#ff0000'}}}%%
+graph TD
+          A(Start) --> B[/Another/]
+          A[/Another/] --> C[End]
+          subgraph section
+            B
+            C
+          end
+        `,
+      {}
+    );
+    cy.get('svg');
+  });
+  it('Settings from initialize and directive - nodes should be grey', () => {
+    imgSnapshotTest(
+      `
+      %%{init: { 'logLevel': 0, 'theme': 'neutral'} }%%
+graph TD
+          A(Start) --> B[/Another/]
+          A[/Another/] --> C[End]
+          subgraph section
+            B
+            C
+          end
+        `,
+      { theme: 'forest' }
+    );
+    cy.get('svg');
+  });
+  it('Theme from initialize, directive overriding theme variable - nodes should be red', () => {
+    imgSnapshotTest(
+      `
+      %%{init: {'theme': 'base', 'themeVariables':{ 'primaryColor': '#ff0000'}}}%%
+graph TD
+          A(Start) --> B[/Another/]
+          A[/Another/] --> C[End]
+          subgraph section
+            B
+            C
+          end
+        `,
+      { theme: 'base' }
+    );
+    cy.get('svg');
+  });
+  it('Theme variable from initialize, theme from directive - nodes should be red', () => {
+    imgSnapshotTest(
+      `
+      %%{init: { 'logLevel': 0, 'theme': 'base'} }%%
+graph TD
+          A(Start) --> B[/Another/]
+          A[/Another/] --> C[End]
+          subgraph section
+            B
+            C
+          end
+        `,
+      { themeVariables: { primaryColor: '#ff0000' } }
+    );
+    cy.get('svg');
+  });
+  describe('when rendering several diagrams', () => {
+    it('diagrams should not taint later diagrams', () => {
+      const url = 'http://localhost:9000/theme-directives.html';
+      cy.visit(url);
+      cy.get('svg');
+      cy.matchImageSnapshot('conf-and-directives.spec-when-rendering-several-diagrams-diagram-1');
+    });
+  });
+});

cypress/integration/rendering/current.spec.js

@@ -0,0 +1,20 @@
+import { imgSnapshotTest } from '../../helpers/util.js';
+
+describe('Current diagram', () => {
+  it('should render a state with states in it', () => {
+    imgSnapshotTest(
+      `
+      stateDiagram
+      state PersonalizedCockpit {
+        Other
+        state  Parent {
+          C
+        }
+    }
+    `,
+      {
+        logLevel: 0,
+      }
+    );
+  });
+});

cypress/integration/rendering/debug.spec.js

@@ -0,0 +1,12 @@
+import { imgSnapshotTest } from '../../helpers/util.js';
+
+describe('Flowchart', () => {
+  it('34: testing the label width in percy', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[Christmas]
+      `,
+      { theme: 'forest', fontFamily: '"Noto Sans SC", sans-serif' }
+    );
+  });
+});

cypress/integration/rendering/erDiagram.spec.js

@@ -0,0 +1,287 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+
+describe('Entity Relationship Diagram', () => {
+  it('should render a simple ER diagram', () => {
+    imgSnapshotTest(
+      `
+    erDiagram
+        CUSTOMER ||--o{ ORDER : places
+        ORDER ||--|{ LINE-ITEM : contains
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render an ER diagram with a recursive relationship', () => {
+    imgSnapshotTest(
+      `
+    erDiagram
+        CUSTOMER ||..o{ CUSTOMER : refers
+        CUSTOMER ||--o{ ORDER : places
+        ORDER ||--|{ LINE-ITEM : contains
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render an ER diagram with multiple relationships between the same two entities', () => {
+    imgSnapshotTest(
+      `
+    erDiagram
+        CUSTOMER ||--|{ ADDRESS : "invoiced at"
+        CUSTOMER ||--|{ ADDRESS : "receives goods at"
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render a cyclical ER diagram', () => {
+    imgSnapshotTest(
+      `
+    erDiagram
+        A ||--|{ B : likes
+        B ||--|{ C : likes
+        C ||--|{ A : likes
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render a not-so-simple ER diagram', () => {
+    imgSnapshotTest(
+      `
+    erDiagram
+        CUSTOMER }|..|{ DELIVERY-ADDRESS : has
+        CUSTOMER ||--o{ ORDER : places
+        CUSTOMER ||--o{ INVOICE : "liable for"
+        DELIVERY-ADDRESS ||--o{ ORDER : receives
+        INVOICE ||--|{ ORDER : covers
+        ORDER ||--|{ ORDER-ITEM : includes
+        PRODUCT-CATEGORY ||--|{ PRODUCT : contains
+        PRODUCT ||--o{ ORDER-ITEM : "ordered in"
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render multiple ER diagrams', () => {
+    imgSnapshotTest(
+      [
+        `
+    erDiagram
+        CUSTOMER ||--o{ ORDER : places
+        ORDER ||--|{ LINE-ITEM : contains
+      `,
+        `
+    erDiagram
+        CUSTOMER ||--o{ ORDER : places
+        ORDER ||--|{ LINE-ITEM : contains
+      `,
+      ],
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render an ER diagram with blank or empty labels', () => {
+    imgSnapshotTest(
+      `
+    erDiagram
+        BOOK }|..|{ AUTHOR : ""
+        BOOK }|..|{ GENRE : " "
+        AUTHOR }|..|{ GENRE : "  "
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render an ER diagrams when useMaxWidth is true (default)', () => {
+    renderGraph(
+      `
+    erDiagram
+        CUSTOMER ||--o{ ORDER : places
+        ORDER ||--|{ LINE-ITEM : contains
+      `,
+      { er: { useMaxWidth: true } }
+    );
+    cy.get('svg').should((svg) => {
+      expect(svg).to.have.attr('width', '100%');
+      // expect(svg).to.have.attr('height', '465');
+      const style = svg.attr('style');
+      expect(style).to.match(/^max-width: [\d.]+px;$/);
+      const maxWidthValue = parseFloat(style.match(/[\d.]+/g).join(''));
+      // use within because the absolute value can be slightly different depending on the environment ±5%
+      expect(maxWidthValue).to.be.within(140 * 0.95, 140 * 1.05);
+    });
+  });
+
+  it('should render an ER when useMaxWidth is false', () => {
+    renderGraph(
+      `
+    erDiagram
+        CUSTOMER ||--o{ ORDER : places
+        ORDER ||--|{ LINE-ITEM : contains
+      `,
+      { er: { useMaxWidth: false } }
+    );
+    cy.get('svg').should((svg) => {
+      const width = parseFloat(svg.attr('width'));
+      // use within because the absolute value can be slightly different depending on the environment ±5%
+      expect(width).to.be.within(140 * 0.95, 140 * 1.05);
+      // expect(svg).to.have.attr('height', '465');
+      expect(svg).to.not.have.attr('style');
+    });
+  });
+
+  it('should render entities that have no relationships', () => {
+    renderGraph(
+      `
+    erDiagram
+        DEAD_PARROT
+        HERMIT
+        RECLUSE
+        SOCIALITE }o--o{ SOCIALITE : "interacts with"
+        RECLUSE }o--o{ SOCIALITE : avoids
+      `,
+      { er: { useMaxWidth: false } }
+    );
+  });
+
+  it('should render entities with and without attributes', () => {
+    renderGraph(
+      `
+    erDiagram
+        BOOK { string title }
+        AUTHOR }|..|{ BOOK : writes
+        BOOK { float price }
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render entities with generic and array attributes', () => {
+    renderGraph(
+      `
+    erDiagram
+        BOOK {
+          string title
+          string[] authors
+          type~T~ type
+        }
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render entities with length in attributes type', () => {
+    renderGraph(
+      `
+    erDiagram
+        CLUSTER {
+          varchar(99) name
+          string(255) description
+        }
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render entities and attributes with big and small entity names', () => {
+    renderGraph(
+      `
+    erDiagram
+        PRIVATE_FINANCIAL_INSTITUTION {
+          string name
+          int    turnover
+        }
+        PRIVATE_FINANCIAL_INSTITUTION ||..|{ EMPLOYEE : employs
+        EMPLOYEE { bool officer_of_firm }
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render entities with keys', () => {
+    renderGraph(
+      `
+    erDiagram
+      AUTHOR_WITH_LONG_ENTITY_NAME {
+        string name PK
+      }
+      AUTHOR_WITH_LONG_ENTITY_NAME }|..|{ BOOK : writes
+      BOOK {
+          float price
+          string author FK
+          string title PK
+        }
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render entities with comments', () => {
+    renderGraph(
+      `
+    erDiagram
+      AUTHOR_WITH_LONG_ENTITY_NAME {
+        string name "comment"
+      }
+      AUTHOR_WITH_LONG_ENTITY_NAME }|..|{ BOOK : writes
+      BOOK {
+          string author
+          string title "author comment"
+          float price "price comment"
+        }
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render entities with keys and comments', () => {
+    renderGraph(
+      `
+    erDiagram
+      AUTHOR_WITH_LONG_ENTITY_NAME {
+        string name PK "comment"
+      }
+      AUTHOR_WITH_LONG_ENTITY_NAME }|..|{ BOOK : writes
+      BOOK {
+          string description
+          float price "price comment"
+          string title PK "title comment"
+          string author FK
+        }
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render entities with aliases', () => {
+    renderGraph(
+      `
+    erDiagram
+      T1 one or zero to one or more T2 : test
+      T2 one or many optionally to zero or one T3 : test
+      T3 zero or more to zero or many T4 : test
+      T4 many(0) to many(1) T5 : test
+      T5 many optionally to one T6 : test
+      T6 only one optionally to only one T1 : test
+      T4 0+ to 1+ T6 : test
+      T1 1 to 1 T3 : test
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('1433: should render a simple ER diagram with a title', () => {
+    imgSnapshotTest(
+      `---
+title: simple ER diagram
+---
+erDiagram
+CUSTOMER ||--o{ ORDER : places
+ORDER ||--|{ LINE-ITEM : contains
+`,
+      {}
+    );
+  });
+});

cypress/integration/rendering/errorDiagram.spec.js

@@ -0,0 +1,45 @@
+import { imgSnapshotTest } from '../../helpers/util';
+
+describe('Error Diagrams', () => {
+  beforeEach(() => {
+    cy.on('uncaught:exception', (err) => {
+      expect(err.message).to.include('Parse error');
+      // return false to prevent the error from
+      // failing this test
+      return false;
+    });
+  });
+
+  it('should render a simple ER diagram', () => {
+    imgSnapshotTest(
+      `
+      error
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render error diagram for actual errors', () => {
+    imgSnapshotTest(
+      `
+    flowchart TD
+      A[Christmas] --|Get money| B(Go shopping)
+      `,
+      { logLevel: 1 }
+    );
+  });
+
+  it('should render error for wrong ER diagram', () => {
+    imgSnapshotTest(
+      `
+    erDiagram
+        ATLAS-ORGANIZATION ||--|{ ATLAS-PROJECTS : "has many"
+        ATLAS-PROJECTS ||--|{ MONGODB-CLUSTERS : "has many"
+        ATLAS-PROJECTS ||--|{ ATLAS-TEAMS : "has many"
+        MONGODB-CLUSTERS ||..|{
+        ATLAS-TEAMS ||..|{
+      `,
+      { logLevel: 1 }
+    );
+  });
+});

cypress/integration/rendering/flowchart-elk.spec.js

@@ -0,0 +1,832 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+
+describe.skip('Flowchart ELK', () => {
+  it('1-elk: should render a simple flowchart', () => {
+    imgSnapshotTest(
+      `flowchart-elk TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      {}
+    );
+    imgSnapshotTest(
+      `flowchart TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { defaultRenderer: 'elk' } }
+    );
+  });
+
+  it('2-elk: should render a simple flowchart with diagramPadding set to 0', () => {
+    imgSnapshotTest(
+      `flowchart-elk TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      %% this is a comment
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { diagramPadding: 0 } }
+    );
+  });
+
+  it('3-elk: a link with correct arrowhead to a subgraph', () => {
+    imgSnapshotTest(
+      `flowchart-elk TD
+        P1
+        P1 -->P1.5
+        subgraph P1.5
+          P2
+          P2.5(( A ))
+          P3
+        end
+        P2 --> P4
+        P3 --> P6
+        P1.5 --> P5
+      `,
+      {}
+    );
+  });
+
+  it('4-elk: Length of edges', () => {
+    imgSnapshotTest(
+      `flowchart-elk TD
+      L1 --- L2
+      L2 --- C
+      M1 ---> C
+      R1 .-> R2
+      R2 <.-> C
+      C -->|Label 1| E1
+      C <-- Label 2 ---> E2
+      C ----> E3
+      C <-...-> E4
+      C ======> E5
+      `,
+      {}
+    );
+  });
+  it('5-elk: should render escaped without html labels', () => {
+    imgSnapshotTest(
+      `flowchart-elk TD
+        a["<strong>Haiya</strong>"]---->b
+      `,
+      { htmlLabels: false, flowchart: { htmlLabels: false } }
+    );
+  });
+  it('6-elk: should render non-escaped with html labels', () => {
+    imgSnapshotTest(
+      `flowchart-elk TD
+        a["<strong>Haiya</strong>"]===>b
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('7-elk: should render a flowchart when useMaxWidth is true (default)', () => {
+    renderGraph(
+      `flowchart-elk TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { useMaxWidth: true } }
+    );
+    cy.get('svg').should((svg) => {
+      expect(svg).to.have.attr('width', '100%');
+      // expect(svg).to.have.attr('height');
+      // use within because the absolute value can be slightly different depending on the environment ±5%
+      // const height = parseFloat(svg.attr('height'));
+      // expect(height).to.be.within(446 * 0.95, 446 * 1.05);
+      const style = svg.attr('style');
+      expect(style).to.match(/^max-width: [\d.]+px;$/);
+      const maxWidthValue = parseFloat(style.match(/[\d.]+/g).join(''));
+      expect(maxWidthValue).to.be.within(230 * 0.95, 230 * 1.05);
+    });
+  });
+  it('8-elk: should render a flowchart when useMaxWidth is false', () => {
+    renderGraph(
+      `flowchart-elk TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { useMaxWidth: false } }
+    );
+    cy.get('svg').should((svg) => {
+      // const height = parseFloat(svg.attr('height'));
+      const width = parseFloat(svg.attr('width'));
+      // use within because the absolute value can be slightly different depending on the environment ±5%
+      // expect(height).to.be.within(446 * 0.95, 446 * 1.05);
+      expect(width).to.be.within(230 * 0.95, 230 * 1.05);
+      expect(svg).to.not.have.attr('style');
+    });
+  });
+
+  it('V2 elk - 16: Render Stadium shape', () => {
+    imgSnapshotTest(
+      ` flowchart-elk TD
+      A([stadium shape test])
+      A -->|Get money| B([Go shopping])
+      B --> C([Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?])
+      C -->|One| D([Laptop])
+      C -->|Two| E([iPhone])
+      C -->|Three| F([Car<br/>wroom wroom])
+      click A "index.html#link-clicked" "link test"
+      click B testClick "click test"
+      classDef someclass fill:#f96;
+      class A someclass;
+      class C someclass;
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('50-elk: handle nested subgraphs in reverse order', () => {
+    imgSnapshotTest(
+      `flowchart-elk LR
+        a -->b
+        subgraph A
+        B
+        end
+        subgraph B
+        b
+        end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('51-elk: handle nested subgraphs in reverse order', () => {
+    imgSnapshotTest(
+      `flowchart-elk LR
+        a -->b
+        subgraph A
+        B
+        end
+        subgraph B
+        b
+        end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('52-elk: handle nested subgraphs in several levels', () => {
+    imgSnapshotTest(
+      `flowchart-elk TB
+    b-->B
+    a-->c
+    subgraph O
+      A
+    end
+    subgraph B
+      c
+    end
+    subgraph A
+        a
+        b
+        B
+    end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('53-elk: handle nested subgraphs with edges in and out', () => {
+    imgSnapshotTest(
+      `flowchart-elk TB
+  internet
+  nat
+  routeur
+  lb1
+  lb2
+  compute1
+  compute2
+  subgraph project
+  routeur
+  nat
+    subgraph subnet1
+      compute1
+      lb1
+    end
+    subgraph subnet2
+      compute2
+      lb2
+    end
+  end
+  internet --> routeur
+  routeur --> subnet1 & subnet2
+  subnet1 & subnet2 --> nat --> internet
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('54-elk: handle nested subgraphs with outgoing links', () => {
+    imgSnapshotTest(
+      `flowchart-elk TD
+  subgraph  main
+    subgraph subcontainer
+      subcontainer-child
+    end
+     subcontainer-child--> subcontainer-sibling
+  end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('55-elk: handle nested subgraphs with outgoing links 2', () => {
+    imgSnapshotTest(
+      `flowchart-elk TD
+
+subgraph one[One]
+    subgraph sub_one[Sub One]
+        _sub_one
+    end
+    subgraph sub_two[Sub Two]
+        _sub_two
+    end
+    _one
+end
+
+%% here, either the first or the second one
+sub_one --> sub_two
+_one --> b
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('56-elk: handle nested subgraphs with outgoing links 3', () => {
+    imgSnapshotTest(
+      `flowchart-elk TB
+  subgraph container_Beta
+    process_C-->Process_D
+  end
+  subgraph container_Alpha
+    process_A-->process_B
+    process_A-->|messages|process_C
+    end
+    process_B-->|via_AWSBatch|container_Beta
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('57-elk: handle nested subgraphs with outgoing links 4', () => {
+    imgSnapshotTest(
+      `flowchart-elk LR
+subgraph A
+a -->b
+end
+subgraph B
+b
+end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('57-elk: handle nested subgraphs with outgoing links 2', () => {
+    imgSnapshotTest(
+      `flowchart-elk TB
+    c1-->a2
+    subgraph one
+    a1-->a2
+    end
+    subgraph two
+    b1-->b2
+    end
+    subgraph three
+    c1-->c2
+    end
+    one --> two
+    three --> two
+    two --> c2
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('57.x: handle nested subgraphs with outgoing links 5', () => {
+    imgSnapshotTest(
+      `%% this does not produce the desired result
+flowchart-elk TB
+  subgraph container_Beta
+    process_C-->Process_D
+  end
+  subgraph container_Alpha
+    process_A-->process_B
+    process_B-->|via_AWSBatch|container_Beta
+    process_A-->|messages|process_C
+  end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('58-elk: handle styling with style expressions', () => {
+    imgSnapshotTest(
+      `
+    flowchart-elk LR
+    id1(Start)-->id2(Stop)
+    style id1 fill:#f9f,stroke:#333,stroke-width:4px
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('59-elk: handle styling of subgraphs and links', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk TD
+  A[Christmas] ==> D
+  A[Christmas] -->|Get money| B(Go shopping)
+  A[Christmas] ==> C
+  subgraph T ["Test"]
+    A
+    B
+    C
+  end
+
+  classDef Test fill:#F84E68,stroke:#333,color:white;
+  class A,T Test
+  classDef TestSub fill:green;
+  class T TestSub
+  linkStyle 0,1 color:orange, stroke: orange;
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('60-elk: handle styling for all node shapes - v2', () => {
+    imgSnapshotTest(
+      `
+      flowchart-elk LR
+      A[red text] -->|default style| B(blue text)
+      C([red text]) -->|default style| D[[blue text]]
+      E[(red text)] -->|default style| F((blue text))
+      G>red text] -->|default style| H{blue text}
+      I{{red text}} -->|default style| J[/blue text/]
+      K[\\ red text\\] -->|default style| L[/blue text\\]
+      M[\\ red text/] -->|default style| N[blue text];
+      O(((red text))) -->|default style| P(((blue text)));
+      linkStyle default color:Sienna;
+      style A stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style B stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style C stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style D stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style E stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style F stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style G stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style H stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style I stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style J stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style K stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style L stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style M stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style N stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style O stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style P stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose', logLevel: 2 }
+    );
+  });
+  it('61-elk: fontawesome icons in edge labels', () => {
+    imgSnapshotTest(
+      `
+      flowchart-elk TD
+        C -->|fa:fa-car Car| F[fa:fa-car Car]
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('62-elk: should render styled subgraphs', () => {
+    imgSnapshotTest(
+      `
+      flowchart-elk TB
+      A
+      B
+      subgraph foo[Foo SubGraph]
+        C
+        D
+      end
+      subgraph bar[Bar SubGraph]
+        E
+        F
+      end
+      G
+
+      A-->B
+      B-->C
+      C-->D
+      B-->D
+      D-->E
+      E-->A
+      E-->F
+      F-->D
+      F-->G
+      B-->G
+      G-->D
+
+      style foo fill:#F99,stroke-width:2px,stroke:#F0F,color:darkred
+      style bar fill:#999,stroke-width:10px,stroke:#0F0,color:blue
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('63-elk: title on subgraphs should be themable', () => {
+    imgSnapshotTest(
+      `
+      %%{init:{"theme":"base", "themeVariables": {"primaryColor":"#411d4e", "titleColor":"white", "darkMode":true}}}%%
+      flowchart-elk LR
+      subgraph A
+          a --> b
+      end
+      subgraph B
+          i -->f
+      end
+      A --> B
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('65-elk: text-color from classes', () => {
+    imgSnapshotTest(
+      `
+      flowchart-elk LR
+        classDef dark fill:#000,stroke:#000,stroke-width:4px,color:#fff
+        Lorem --> Ipsum --> Dolor
+        class Lorem,Dolor dark
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('66-elk: More nested subgraph cases (TB)', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk TB
+    subgraph two
+    b1
+    end
+    subgraph three
+    c2
+    end
+
+    three --> two
+    two --> c2
+
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('67-elk: More nested subgraph cases (RL)', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk RL
+    subgraph two
+    b1
+    end
+    subgraph three
+    c2
+    end
+
+    three --> two
+    two --> c2
+
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('68-elk: More nested subgraph cases (BT)', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk BT
+    subgraph two
+    b1
+    end
+    subgraph three
+    c2
+    end
+
+    three --> two
+    two --> c2
+
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('69-elk: More nested subgraph cases (LR)', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk LR
+    subgraph two
+    b1
+    end
+    subgraph three
+    c2
+    end
+
+    three --> two
+    two --> c2
+
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('70-elk: Handle nested subgraph cases (TB) link out and link between subgraphs', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk TB
+   subgraph S1
+    sub1 -->sub2
+   end
+  subgraph S2
+    sub4
+   end
+   S1 --> S2
+   sub1 --> sub4
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('71-elk: Handle nested subgraph cases (RL) link out and link between subgraphs', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk RL
+   subgraph S1
+    sub1 -->sub2
+   end
+  subgraph S2
+    sub4
+   end
+   S1 --> S2
+   sub1 --> sub4
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('72-elk: Handle nested subgraph cases (BT) link out and link between subgraphs', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk BT
+   subgraph S1
+    sub1 -->sub2
+   end
+  subgraph S2
+    sub4
+   end
+   S1 --> S2
+   sub1 --> sub4
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('74-elk: Handle nested subgraph cases (RL) link out and link between subgraphs', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk RL
+   subgraph S1
+    sub1 -->sub2
+   end
+  subgraph S2
+    sub4
+   end
+   S1 --> S2
+   sub1 --> sub4
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('74-elk: Handle labels for multiple edges from and to the same couple of nodes', () => {
+    imgSnapshotTest(
+      `
+flowchart-elk RL
+    subgraph one
+      a1 -- l1 --> a2
+      a1 -- l2 --> a2
+    end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('76-elk: handle unicode encoded character with HTML labels true', () => {
+    imgSnapshotTest(
+      `flowchart-elk TB
+      a{{"Lorem 'ipsum' dolor 'sit' amet, 'consectetur' adipiscing 'elit'."}}
+      --> b{{"Lorem #quot;ipsum#quot; dolor #quot;sit#quot; amet,#quot;consectetur#quot; adipiscing #quot;elit#quot;."}}
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('2050-elk: handling of different rendering direction in subgraphs', () => {
+    imgSnapshotTest(
+      `
+    flowchart-elk LR
+
+      subgraph TOP
+        direction TB
+        subgraph B1
+            direction RL
+            i1 -->f1
+        end
+        subgraph B2
+            direction BT
+            i2 -->f2
+        end
+      end
+      A --> TOP --> B
+      B1 --> B2
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('2388-elk: handling default in the node name', () => {
+    imgSnapshotTest(
+      `
+      flowchart-elk LR
+      default-index.js --> dot.template.js
+      index.js --> module-utl.js
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('2824-elk: Clipping of edges', () => {
+    imgSnapshotTest(
+      `
+      flowchart-elk TD
+          A --> B
+          A --> C
+          B --> C
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('1433-elk: should render a titled flowchart with titleTopMargin set to 0', () => {
+    imgSnapshotTest(
+      `---
+title: Simple flowchart
+---
+flowchart-elk TD
+A --> B
+`,
+      { titleTopMargin: 0 }
+    );
+  });
+  describe('Markdown strings flowchart-elk (#4220)', () => {
+    describe('html labels', () => {
+      it('With styling and classes', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart-elk LR
+    A:::someclass --> B["\`The **cat** in the hat\`"]:::someclass
+    id1(Start)-->id2(Stop)
+    style id1 fill:#f9f,stroke:#333,stroke-width:4px
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+    classDef someclass fill:#f96
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('With formatting in a node', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart-elk LR
+  a{"\`The **cat** in the hat\`"} -- 1o --> b
+  a -- 2o --> c
+  a -- 3o --> d
+  g --2i--> a
+  d --1i--> a
+  h --3i -->a
+  b --> d(The dog in the hog)
+  c --> d
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('New line in node and formatted edge label', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart-elk LR
+b("\`The dog in **the** hog.(1)
+NL\`") --"\`1o **bold**\`"--> c
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('Wrapping long text with a new line', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart-elk LR
+b(\`The dog in **the** hog.(1).. a a a a *very long text* about it
+Word!
+
+Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. \`) --> c
+
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('Sub graphs and markdown strings', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart-elk LR
+subgraph "One"
+  a("\`The **cat**
+  in the hat\`") -- "1o" --> b{{"\`The **dog** in the hog\`"}}
+end
+subgraph "\`**Two**\`"
+  c("\`The **cat**
+  in the hat\`") -- "\`1o **ipa**\`" --> d("The dog in the hog")
+end
+
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+    });
+
+    describe('svg text labels', () => {
+      it('With styling and classes', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart-elk LR
+    A:::someclass --> B["\`The **cat** in the hat\`"]:::someclass
+    id1(Start)-->id2(Stop)
+    style id1 fill:#f9f,stroke:#333,stroke-width:4px
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+    classDef someclass fill:#f96
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('With formatting in a node', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart-elk LR
+  a{"\`The **cat** in the hat\`"} -- 1o --> b
+  a -- 2o --> c
+  a -- 3o --> d
+  g --2i--> a
+  d --1i--> a
+  h --3i -->a
+  b --> d(The dog in the hog)
+  c --> d
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('New line in node and formatted edge label', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart-elk LR
+b("\`The dog in **the** hog.(1)
+NL\`") --"\`1o **bold**\`"--> c
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('Wrapping long text with a new line', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart-elk LR
+b("\`The dog in **the** hog.(1).. a a a a *very long text* about it
+Word!
+
+Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. \`") --> c
+
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('Sub graphs and markdown strings', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart-elk LR
+subgraph "One"
+  a("\`The **cat**
+  in the hat\`") -- "1o" --> b{{"\`The **dog** in the hog\`"}}
+end
+subgraph "\`**Two**\`"
+  c("\`The **cat**
+  in the hat\`") -- "\`1o **ipa**\`" --> d("The dog in the hog")
+end
+
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+    });
+  });
+});

cypress/integration/rendering/flowchart-v2.spec.js

@@ -0,0 +1,843 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+
+describe('Flowchart v2', () => {
+  it('1: should render a simple flowchart', () => {
+    imgSnapshotTest(
+      `flowchart TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      {}
+    );
+  });
+
+  it('2: should render a simple flowchart with diagramPadding set to 0', () => {
+    imgSnapshotTest(
+      `flowchart TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      %% this is a comment
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { diagramPadding: 0 } }
+    );
+  });
+
+  it('3: a link with correct arrowhead to a subgraph', () => {
+    imgSnapshotTest(
+      `flowchart TD
+        P1
+        P1 -->P1.5
+        subgraph P1.5
+          P2
+          P2.5(( A ))
+          P3
+        end
+        P2 --> P4
+        P3 --> P6
+        P1.5 --> P5
+      `,
+      {}
+    );
+  });
+
+  it('4: Length of edges', () => {
+    imgSnapshotTest(
+      `flowchart TD
+      L1 --- L2
+      L2 --- C
+      M1 ---> C
+      R1 .-> R2
+      R2 <.-> C
+      C -->|Label 1| E1
+      C <-- Label 2 ---> E2
+      C ----> E3
+      C <-...-> E4
+      C ======> E5
+      `,
+      {}
+    );
+  });
+  it('5: should render escaped without html labels', () => {
+    imgSnapshotTest(
+      `flowchart TD
+        a["<strong>Haiya</strong>"]---->b
+      `,
+      { htmlLabels: false, flowchart: { htmlLabels: false } }
+    );
+  });
+  it('6: should render non-escaped with html labels', () => {
+    imgSnapshotTest(
+      `flowchart TD
+        a["<strong>Haiya</strong>"]===>b
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('7: should render a flowchart when useMaxWidth is true (default)', () => {
+    renderGraph(
+      `flowchart TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { useMaxWidth: true } }
+    );
+    cy.get('svg').should((svg) => {
+      expect(svg).to.have.attr('width', '100%');
+      // expect(svg).to.have.attr('height');
+      // use within because the absolute value can be slightly different depending on the environment ±5%
+      // const height = parseFloat(svg.attr('height'));
+      // expect(height).to.be.within(446 * 0.95, 446 * 1.05);
+      const style = svg.attr('style');
+      expect(style).to.match(/^max-width: [\d.]+px;$/);
+      const maxWidthValue = parseFloat(style.match(/[\d.]+/g).join(''));
+      expect(maxWidthValue).to.be.within(290 * 0.95 - 1, 290 * 1.05);
+    });
+  });
+  it('8: should render a flowchart when useMaxWidth is false', () => {
+    renderGraph(
+      `flowchart TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { useMaxWidth: false } }
+    );
+    cy.get('svg').should((svg) => {
+      // const height = parseFloat(svg.attr('height'));
+      const width = parseFloat(svg.attr('width'));
+      // use within because the absolute value can be slightly different depending on the environment ±5%
+      // expect(height).to.be.within(446 * 0.95, 446 * 1.05);
+      expect(width).to.be.within(290 * 0.95 - 1, 290 * 1.05);
+      expect(svg).to.not.have.attr('style');
+    });
+  });
+
+  it('V2 - 16: Render Stadium shape', () => {
+    imgSnapshotTest(
+      ` flowchart TD
+      A([stadium shape test])
+      A -->|Get money| B([Go shopping])
+      B --> C([Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?])
+      C -->|One| D([Laptop])
+      C -->|Two| E([iPhone])
+      C -->|Three| F([Car<br/>wroom wroom])
+      click A "index.html#link-clicked" "link test"
+      click B testClick "click test"
+      classDef someclass fill:#f96;
+      class A someclass;
+      class C someclass;
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('50: handle nested subgraphs in reverse order', () => {
+    imgSnapshotTest(
+      `flowchart LR
+        a -->b
+        subgraph A
+        B
+        end
+        subgraph B
+        b
+        end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('51: handle nested subgraphs in reverse order', () => {
+    imgSnapshotTest(
+      `flowchart LR
+        a -->b
+        subgraph A
+        B
+        end
+        subgraph B
+        b
+        end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('52: handle nested subgraphs in several levels', () => {
+    imgSnapshotTest(
+      `flowchart TB
+    b-->B
+    a-->c
+    subgraph O
+      A
+    end
+    subgraph B
+      c
+    end
+    subgraph A
+        a
+        b
+        B
+    end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('53: handle nested subgraphs with edges in and out', () => {
+    imgSnapshotTest(
+      `flowchart TB
+  internet
+  nat
+  routeur
+  lb1
+  lb2
+  compute1
+  compute2
+  subgraph project
+  routeur
+  nat
+    subgraph subnet1
+      compute1
+      lb1
+    end
+    subgraph subnet2
+      compute2
+      lb2
+    end
+  end
+  internet --> routeur
+  routeur --> subnet1 & subnet2
+  subnet1 & subnet2 --> nat --> internet
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('54: handle nested subgraphs with outgoing links', () => {
+    imgSnapshotTest(
+      `flowchart TD
+  subgraph  main
+    subgraph subcontainer
+      subcontainer-child
+    end
+     subcontainer-child--> subcontainer-sibling
+  end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('55: handle nested subgraphs with outgoing links 2', () => {
+    imgSnapshotTest(
+      `flowchart TD
+
+subgraph one[One]
+    subgraph sub_one[Sub One]
+        _sub_one
+    end
+    subgraph sub_two[Sub Two]
+        _sub_two
+    end
+    _one
+end
+
+%% here, either the first or the second one
+sub_one --> sub_two
+_one --> b
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('56: handle nested subgraphs with outgoing links 3', () => {
+    imgSnapshotTest(
+      `flowchart TB
+  subgraph container_Beta
+    process_C-->Process_D
+  end
+  subgraph container_Alpha
+    process_A-->process_B
+    process_A-->|messages|process_C
+    end
+    process_B-->|via_AWSBatch|container_Beta
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('57: handle nested subgraphs with outgoing links 4', () => {
+    imgSnapshotTest(
+      `flowchart LR
+subgraph A
+a -->b
+end
+subgraph B
+b
+end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('57: handle nested subgraphs with outgoing links 2', () => {
+    imgSnapshotTest(
+      `flowchart TB
+    c1-->a2
+    subgraph one
+    a1-->a2
+    end
+    subgraph two
+    b1-->b2
+    end
+    subgraph three
+    c1-->c2
+    end
+    one --> two
+    three --> two
+    two --> c2
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('57.x: handle nested subgraphs with outgoing links 5', () => {
+    imgSnapshotTest(
+      `%% this does not produce the desired result
+flowchart TB
+  subgraph container_Beta
+    process_C-->Process_D
+  end
+  subgraph container_Alpha
+    process_A-->process_B
+    process_B-->|via_AWSBatch|container_Beta
+    process_A-->|messages|process_C
+  end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('58: handle styling with style expressions', () => {
+    imgSnapshotTest(
+      `
+    flowchart LR
+    id1(Start)-->id2(Stop)
+    style id1 fill:#f9f,stroke:#333,stroke-width:4px
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('59: handle styling of subgraphs and links', () => {
+    imgSnapshotTest(
+      `
+flowchart TD
+  A[Christmas] ==> D
+  A[Christmas] -->|Get money| B(Go shopping)
+  A[Christmas] ==> C
+  subgraph T ["Test"]
+    A
+    B
+    C
+  end
+
+  classDef Test fill:#F84E68,stroke:#333,color:white;
+  class A,T Test
+  classDef TestSub fill:green;
+  class T TestSub
+  linkStyle 0,1 color:orange, stroke: orange;
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('60: handle styling for all node shapes - v2', () => {
+    imgSnapshotTest(
+      `
+      flowchart LR
+      A[red text] -->|default style| B(blue text)
+      C([red text]) -->|default style| D[[blue text]]
+      E[(red text)] -->|default style| F((blue text))
+      G>red text] -->|default style| H{blue text}
+      I{{red text}} -->|default style| J[/blue text/]
+      K[\\ red text\\] -->|default style| L[/blue text\\]
+      M[\\ red text/] -->|default style| N[blue text];
+      O(((red text))) -->|default style| P(((blue text)));
+      linkStyle default color:Sienna;
+      style A stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style B stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style C stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style D stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style E stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style F stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style G stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style H stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style I stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style J stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style K stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style L stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style M stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style N stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      style O stroke:#ff0000,fill:#ffcccc,color:#ff0000;
+      style P stroke:#0000ff,fill:#ccccff,color:#0000ff;
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose', logLevel: 2 }
+    );
+  });
+  it('61: fontawesome icons in edge labels', () => {
+    imgSnapshotTest(
+      `
+      flowchart TD
+        C -->|fa:fa-car Car| F[fa:fa-car Car]
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('62: should render styled subgraphs', () => {
+    imgSnapshotTest(
+      `
+      flowchart TB
+      A
+      B
+      subgraph foo[Foo SubGraph]
+        C
+        D
+      end
+      subgraph bar[Bar SubGraph]
+        E
+        F
+      end
+      G
+
+      A-->B
+      B-->C
+      C-->D
+      B-->D
+      D-->E
+      E-->A
+      E-->F
+      F-->D
+      F-->G
+      B-->G
+      G-->D
+
+      style foo fill:#F99,stroke-width:2px,stroke:#F0F,color:darkred
+      style bar fill:#999,stroke-width:10px,stroke:#0F0,color:blue
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('63: title on subgraphs should be themable', () => {
+    imgSnapshotTest(
+      `
+      %%{init:{"theme":"base", "themeVariables": {"primaryColor":"#411d4e", "titleColor":"white", "darkMode":true}}}%%
+      flowchart LR
+      subgraph A
+          a --> b
+      end
+      subgraph B
+          i -->f
+      end
+      A --> B
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('65: text-color from classes', () => {
+    imgSnapshotTest(
+      `
+      flowchart LR
+        classDef dark fill:#000,stroke:#000,stroke-width:4px,color:#fff
+        Lorem --> Ipsum --> Dolor
+        class Lorem,Dolor dark
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('66: More nested subgraph cases (TB)', () => {
+    imgSnapshotTest(
+      `
+flowchart TB
+    subgraph two
+    b1
+    end
+    subgraph three
+    c2
+    end
+
+    three --> two
+    two --> c2
+
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('67: More nested subgraph cases (RL)', () => {
+    imgSnapshotTest(
+      `
+flowchart RL
+    subgraph two
+    b1
+    end
+    subgraph three
+    c2
+    end
+
+    three --> two
+    two --> c2
+
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('68: More nested subgraph cases (BT)', () => {
+    imgSnapshotTest(
+      `
+flowchart BT
+    subgraph two
+    b1
+    end
+    subgraph three
+    c2
+    end
+
+    three --> two
+    two --> c2
+
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('69: More nested subgraph cases (LR)', () => {
+    imgSnapshotTest(
+      `
+flowchart LR
+    subgraph two
+    b1
+    end
+    subgraph three
+    c2
+    end
+
+    three --> two
+    two --> c2
+
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('70: Handle nested subgraph cases (TB) link out and link between subgraphs', () => {
+    imgSnapshotTest(
+      `
+flowchart TB
+   subgraph S1
+    sub1 -->sub2
+   end
+  subgraph S2
+    sub4
+   end
+   S1 --> S2
+   sub1 --> sub4
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('71: Handle nested subgraph cases (RL) link out and link between subgraphs', () => {
+    imgSnapshotTest(
+      `
+flowchart RL
+   subgraph S1
+    sub1 -->sub2
+   end
+  subgraph S2
+    sub4
+   end
+   S1 --> S2
+   sub1 --> sub4
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('72: Handle nested subgraph cases (BT) link out and link between subgraphs', () => {
+    imgSnapshotTest(
+      `
+flowchart BT
+   subgraph S1
+    sub1 -->sub2
+   end
+  subgraph S2
+    sub4
+   end
+   S1 --> S2
+   sub1 --> sub4
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('74: Handle nested subgraph cases (RL) link out and link between subgraphs', () => {
+    imgSnapshotTest(
+      `
+flowchart RL
+   subgraph S1
+    sub1 -->sub2
+   end
+  subgraph S2
+    sub4
+   end
+   S1 --> S2
+   sub1 --> sub4
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('74: Handle labels for multiple edges from and to the same couple of nodes', () => {
+    imgSnapshotTest(
+      `
+flowchart RL
+    subgraph one
+      a1 -- l1 --> a2
+      a1 -- l2 --> a2
+    end
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('76: handle unicode encoded character with HTML labels true', () => {
+    imgSnapshotTest(
+      `flowchart TB
+      a{{"Lorem 'ipsum' dolor 'sit' amet, 'consectetur' adipiscing 'elit'."}}
+      --> b{{"Lorem #quot;ipsum#quot; dolor #quot;sit#quot; amet,#quot;consectetur#quot; adipiscing #quot;elit#quot;."}}
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('2050: handling of different rendering direction in subgraphs', () => {
+    imgSnapshotTest(
+      `
+    flowchart LR
+
+      subgraph TOP
+        direction TB
+        subgraph B1
+            direction RL
+            i1 -->f1
+        end
+        subgraph B2
+            direction BT
+            i2 -->f2
+        end
+      end
+      A --> TOP --> B
+      B1 --> B2
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+
+  it('2388: handling default in the node name', () => {
+    imgSnapshotTest(
+      `
+      flowchart LR
+      default-index.js --> dot.template.js
+      index.js --> module-utl.js
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('2824: Clipping of edges', () => {
+    imgSnapshotTest(
+      `
+      flowchart TD
+          A --> B
+          A --> C
+          B --> C
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('1433: should render a titled flowchart with titleTopMargin set to 0', () => {
+    imgSnapshotTest(
+      `---
+title: Simple flowchart
+---
+flowchart TD
+A --> B
+`,
+      { titleTopMargin: 0 }
+    );
+  });
+  it('3192: It should be possieble to render flowcharts with invisible edges', () => {
+    imgSnapshotTest(
+      `---
+title: Simple flowchart with invisible edges
+---
+flowchart TD
+A ~~~ B
+`,
+      { titleTopMargin: 0 }
+    );
+  });
+  it('4023: Should render html labels with images and-or text correctly', () => {
+    imgSnapshotTest(
+      `flowchart TD
+    B[<img src='https://mermaid.js.org/mermaid-logo.svg'>]
+    B-->C[<img src="https://mermaid.js.org/mermaid-logo.svg"> more text <img src='https://mermaid.js.org/mermaid-logo.svg'>]
+    B-->D(<img src='https://mermaid.js.org/mermaid-logo.svg'> some text)
+    B-->E(plain)`,
+      {}
+    );
+  });
+  describe('Markdown strings flowchart (#4220)', () => {
+    describe('html labels', () => {
+      it('With styling and classes', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart LR
+    A:::someclass --> B["\`The **cat** in the hat\`"]:::someclass
+    id1(Start)-->id2(Stop)
+    style id1 fill:#f9f,stroke:#333,stroke-width:4px
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+    classDef someclass fill:#f96
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('With formatting in a node', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart LR
+  a{"\`The **cat** in the hat\`"} -- 1o --> b
+  a -- 2o --> c
+  a -- 3o --> d
+  g --2i--> a
+  d --1i--> a
+  h --3i -->a
+  b --> d(The dog in the hog)
+  c --> d
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('New line in node and formatted edge label', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart LR
+b("\`The dog in **the** hog.(1)
+NL\`") --"\`1o **bold**\`"--> c
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('Wrapping long text with a new line', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart LR
+b("\`The dog in **the** hog.(1).. a a a a *very long text* about it
+Word!
+
+Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. \`") --> c
+
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('Sub graphs and markdown strings', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": true}} }%%
+flowchart LR
+subgraph "One"
+  a("\`The **cat**
+  in the hat\`") -- "1o" --> b{{"\`The **dog** in the hog\`"}}
+end
+subgraph "\`**Two**\`"
+  c("\`The **cat**
+  in the hat\`") -- "\`1o **ipa**\`" --> d("The dog in the hog")
+end
+
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+    });
+
+    describe('svg text labels', () => {
+      it('With styling and classes', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart LR
+    A:::someclass --> B["\`The **cat** in the hat\`"]:::someclass
+    id1(Start)-->id2(Stop)
+    style id1 fill:#f9f,stroke:#333,stroke-width:4px
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+    classDef someclass fill:#f96
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('With formatting in a node', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart LR
+  a{"\`The **cat** in the hat\`"} -- 1o --> b
+  a -- 2o --> c
+  a -- 3o --> d
+  g --2i--> a
+  d --1i--> a
+  h --3i -->a
+  b --> d(The dog in the hog)
+  c --> d
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('New line in node and formatted edge label', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart LR
+b("\`The dog in **the** hog.(1)
+NL\`") --"\`1o **bold**\`"--> c
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('Wrapping long text with a new line', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart LR
+b("\`The dog in **the** hog.(1).. a a a a *very long text* about it
+Word!
+
+Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. Another line with many, many words. \`") --> c
+
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+      it('Sub graphs and markdown strings', () => {
+        imgSnapshotTest(
+          `%%{init: {"flowchart": {"htmlLabels": false}} }%%
+flowchart LR
+subgraph "One"
+  a("\`The **cat**
+  in the hat\`") -- "1o" --> b{{"\`The **dog** in the hog\`"}}
+end
+subgraph "\`**Two**\`"
+  c("\`The **cat**
+  in the hat\`") -- "\`1o **ipa**\`" --> d("The dog in the hog")
+end
+
+`,
+          { titleTopMargin: 0 }
+        );
+      });
+    });
+  });
+});

cypress/integration/rendering/flowchart.spec.js

@@ -0,0 +1,894 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.js';
+
+describe('Graph', () => {
+  it('1: should render a simple flowchart no htmlLabels', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('2: should render a simple flowchart with htmlLabels', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { htmlLabels: true }, fontFamily: 'courier' }
+    );
+  });
+
+  it('3: should render a simple flowchart with line breaks', () => {
+    imgSnapshotTest(
+      `
+    graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me thinksssss<br/>ssssssssssssssssssssss<br/>sssssssssssssssssssssssssss}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[Car]
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('4: should render a simple flowchart with trapezoid and inverse trapezoid vertex options.', () => {
+    imgSnapshotTest(
+      `
+    graph TD
+      A[/Christmas\\]
+      A -->|Get money| B[\\Go shopping/]
+      B --> C{Let me thinksssss<br/>ssssssssssssssssssssss<br/>sssssssssssssssssssssssssss}
+      C -->|One| D[/Laptop/]
+      C -->|Two| E[\\iPhone\\]
+      C -->|Three| F[Car]
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('5: should style nodes via a class.', () => {
+    imgSnapshotTest(
+      `
+    graph TD
+      1A --> 1B
+      1B --> 1C
+      1C --> D
+      1C --> E
+
+      classDef processHead fill:#888888,color:white,font-weight:bold,stroke-width:3px,stroke:#001f3f
+      class 1A,1B,D,E processHead
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('6: should render a flowchart full of circles', () => {
+    imgSnapshotTest(
+      `
+    graph LR
+      47(SAM.CommonFA.FMESummary)-->48(SAM.CommonFA.CommonFAFinanceBudget)
+      37(SAM.CommonFA.BudgetSubserviceLineVolume)-->48(SAM.CommonFA.CommonFAFinanceBudget)
+      35(SAM.CommonFA.PopulationFME)-->47(SAM.CommonFA.FMESummary)
+      41(SAM.CommonFA.MetricCost)-->47(SAM.CommonFA.FMESummary)
+      44(SAM.CommonFA.MetricOutliers)-->47(SAM.CommonFA.FMESummary)
+      46(SAM.CommonFA.MetricOpportunity)-->47(SAM.CommonFA.FMESummary)
+      40(SAM.CommonFA.OPVisits)-->47(SAM.CommonFA.FMESummary)
+      38(SAM.CommonFA.CommonFAFinanceRefund)-->47(SAM.CommonFA.FMESummary)
+      43(SAM.CommonFA.CommonFAFinancePicuDays)-->47(SAM.CommonFA.FMESummary)
+      42(SAM.CommonFA.CommonFAFinanceNurseryDays)-->47(SAM.CommonFA.FMESummary)
+      45(SAM.CommonFA.MetricPreOpportunity)-->46(SAM.CommonFA.MetricOpportunity)
+      35(SAM.CommonFA.PopulationFME)-->45(SAM.CommonFA.MetricPreOpportunity)
+      41(SAM.CommonFA.MetricCost)-->45(SAM.CommonFA.MetricPreOpportunity)
+      41(SAM.CommonFA.MetricCost)-->44(SAM.CommonFA.MetricOutliers)
+      39(SAM.CommonFA.ChargeDetails)-->43(SAM.CommonFA.CommonFAFinancePicuDays)
+      39(SAM.CommonFA.ChargeDetails)-->42(SAM.CommonFA.CommonFAFinanceNurseryDays)
+      39(SAM.CommonFA.ChargeDetails)-->41(SAM.CommonFA.MetricCost)
+      39(SAM.CommonFA.ChargeDetails)-->40(SAM.CommonFA.OPVisits)
+      35(SAM.CommonFA.PopulationFME)-->39(SAM.CommonFA.ChargeDetails)
+      36(SAM.CommonFA.PremetricCost)-->39(SAM.CommonFA.ChargeDetails)
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('7: should render a flowchart full of icons', () => {
+    imgSnapshotTest(
+      `
+    graph TD
+      9e122290_1ec3_e711_8c5a_005056ad0002("fa:fa-creative-commons My System | Test Environment")
+      82072290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs Shared Business Logic Server:Service 1")
+      db052290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs Shared Business Logic Server:Service 2")
+      4e112290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs Shared Report Server:Service 1")
+      30122290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs Shared Report Server:Service 2")
+      5e112290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs Dedicated Test Business Logic Server:Service 1")
+      c1112290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs Dedicated Test Business Logic Server:Service 2")
+      b7042290_1ec3_e711_8c5a_005056ad0002("fa:fa-circle [DBServer\\SharedDbInstance].[SupportDb]")
+      8f102290_1ec3_e711_8c5a_005056ad0002("fa:fa-circle [DBServer\\SharedDbInstance].[DevelopmentDb]")
+      0e102290_1ec3_e711_8c5a_005056ad0002("fa:fa-circle [DBServer\\SharedDbInstance].[TestDb]")
+      07132290_1ec3_e711_8c5a_005056ad0002("fa:fa-circle [DBServer\\SharedDbInstance].[SharedReportingDb]")
+      c7072290_1ec3_e711_8c5a_005056ad0002("fa:fa-server Shared Business Logic Server")
+      ca122290_1ec3_e711_8c5a_005056ad0002("fa:fa-server Shared Report Server")
+      68102290_1ec3_e711_8c5a_005056ad0002("fa:fa-server Dedicated Test Business Logic Server")
+      f4112290_1ec3_e711_8c5a_005056ad0002("fa:fa-database [DBServer\\SharedDbInstance]")
+      d6072290_1ec3_e711_8c5a_005056ad0002("fa:fa-server DBServer")
+      71082290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs DBServer\\:MSSQLSERVER")
+      c0102290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs DBServer\\:SQLAgent")
+      9a072290_1ec3_e711_8c5a_005056ad0002("fa:fa-cogs DBServer\\:SQLBrowser")
+      1d0a2290_1ec3_e711_8c5a_005056ad0002("fa:fa-server VmHost1")
+      200a2290_1ec3_e711_8c5a_005056ad0002("fa:fa-server VmHost2")
+      1c0a2290_1ec3_e711_8c5a_005056ad0002("fa:fa-server VmHost3")
+      9e122290_1ec3_e711_8c5a_005056ad0002-->82072290_1ec3_e711_8c5a_005056ad0002
+      9e122290_1ec3_e711_8c5a_005056ad0002-->db052290_1ec3_e711_8c5a_005056ad0002
+      9e122290_1ec3_e711_8c5a_005056ad0002-->4e112290_1ec3_e711_8c5a_005056ad0002
+      9e122290_1ec3_e711_8c5a_005056ad0002-->30122290_1ec3_e711_8c5a_005056ad0002
+      9e122290_1ec3_e711_8c5a_005056ad0002-->5e112290_1ec3_e711_8c5a_005056ad0002
+      9e122290_1ec3_e711_8c5a_005056ad0002-->c1112290_1ec3_e711_8c5a_005056ad0002
+      82072290_1ec3_e711_8c5a_005056ad0002-->b7042290_1ec3_e711_8c5a_005056ad0002
+      82072290_1ec3_e711_8c5a_005056ad0002-->8f102290_1ec3_e711_8c5a_005056ad0002
+      82072290_1ec3_e711_8c5a_005056ad0002-->0e102290_1ec3_e711_8c5a_005056ad0002
+      82072290_1ec3_e711_8c5a_005056ad0002-->c7072290_1ec3_e711_8c5a_005056ad0002
+      db052290_1ec3_e711_8c5a_005056ad0002-->c7072290_1ec3_e711_8c5a_005056ad0002
+      db052290_1ec3_e711_8c5a_005056ad0002-->82072290_1ec3_e711_8c5a_005056ad0002
+      4e112290_1ec3_e711_8c5a_005056ad0002-->b7042290_1ec3_e711_8c5a_005056ad0002
+      4e112290_1ec3_e711_8c5a_005056ad0002-->8f102290_1ec3_e711_8c5a_005056ad0002
+      4e112290_1ec3_e711_8c5a_005056ad0002-->0e102290_1ec3_e711_8c5a_005056ad0002
+      4e112290_1ec3_e711_8c5a_005056ad0002-->07132290_1ec3_e711_8c5a_005056ad0002
+      4e112290_1ec3_e711_8c5a_005056ad0002-->ca122290_1ec3_e711_8c5a_005056ad0002
+      30122290_1ec3_e711_8c5a_005056ad0002-->ca122290_1ec3_e711_8c5a_005056ad0002
+      30122290_1ec3_e711_8c5a_005056ad0002-->4e112290_1ec3_e711_8c5a_005056ad0002
+      5e112290_1ec3_e711_8c5a_005056ad0002-->8f102290_1ec3_e711_8c5a_005056ad0002
+      5e112290_1ec3_e711_8c5a_005056ad0002-->68102290_1ec3_e711_8c5a_005056ad0002
+      c1112290_1ec3_e711_8c5a_005056ad0002-->68102290_1ec3_e711_8c5a_005056ad0002
+      c1112290_1ec3_e711_8c5a_005056ad0002-->5e112290_1ec3_e711_8c5a_005056ad0002
+      b7042290_1ec3_e711_8c5a_005056ad0002-->f4112290_1ec3_e711_8c5a_005056ad0002
+      8f102290_1ec3_e711_8c5a_005056ad0002-->f4112290_1ec3_e711_8c5a_005056ad0002
+      0e102290_1ec3_e711_8c5a_005056ad0002-->f4112290_1ec3_e711_8c5a_005056ad0002
+      07132290_1ec3_e711_8c5a_005056ad0002-->f4112290_1ec3_e711_8c5a_005056ad0002
+      c7072290_1ec3_e711_8c5a_005056ad0002-->1d0a2290_1ec3_e711_8c5a_005056ad0002
+      ca122290_1ec3_e711_8c5a_005056ad0002-->200a2290_1ec3_e711_8c5a_005056ad0002
+      68102290_1ec3_e711_8c5a_005056ad0002-->1c0a2290_1ec3_e711_8c5a_005056ad0002
+      f4112290_1ec3_e711_8c5a_005056ad0002-->d6072290_1ec3_e711_8c5a_005056ad0002
+      f4112290_1ec3_e711_8c5a_005056ad0002-->71082290_1ec3_e711_8c5a_005056ad0002
+      f4112290_1ec3_e711_8c5a_005056ad0002-->c0102290_1ec3_e711_8c5a_005056ad0002
+      f4112290_1ec3_e711_8c5a_005056ad0002-->9a072290_1ec3_e711_8c5a_005056ad0002
+      d6072290_1ec3_e711_8c5a_005056ad0002-->1c0a2290_1ec3_e711_8c5a_005056ad0002
+      71082290_1ec3_e711_8c5a_005056ad0002-->d6072290_1ec3_e711_8c5a_005056ad0002
+      c0102290_1ec3_e711_8c5a_005056ad0002-->d6072290_1ec3_e711_8c5a_005056ad0002
+      c0102290_1ec3_e711_8c5a_005056ad0002-->71082290_1ec3_e711_8c5a_005056ad0002
+      9a072290_1ec3_e711_8c5a_005056ad0002-->d6072290_1ec3_e711_8c5a_005056ad0002
+      9a072290_1ec3_e711_8c5a_005056ad0002-->71082290_1ec3_e711_8c5a_005056ad0002
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('8: should render labels with numbers at the start', () => {
+    imgSnapshotTest(
+      `
+    graph TB;subgraph "number as labels";1;end;
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('9: should render subgraphs', () => {
+    imgSnapshotTest(
+      `
+    graph TB
+      subgraph One
+        a1-->a2
+      end
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('10: should render subgraphs with a title starting with a digit', () => {
+    imgSnapshotTest(
+      `
+    graph TB
+      subgraph 2Two
+        a1-->a2
+      end
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('11: should render styled subgraphs', () => {
+    imgSnapshotTest(
+      `
+    graph TB
+      A
+      B
+      subgraph foo[Foo SubGraph]
+        C
+        D
+      end
+      subgraph bar[Bar SubGraph]
+        E
+        F
+      end
+      G
+
+      A-->B
+      B-->C
+      C-->D
+      B-->D
+      D-->E
+      E-->A
+      E-->F
+      F-->D
+      F-->G
+      B-->G
+      G-->D
+
+      style foo fill:#F99,stroke-width:2px,stroke:#F0F,color:darkred
+      style bar fill:#999,stroke-width:10px,stroke:#0F0,color:blue
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('12: should render a flowchart with long names and class definitions', () => {
+    imgSnapshotTest(
+      `graph LR
+      sid-B3655226-6C29-4D00-B685-3D5C734DC7E1["
+
+      提交申请
+      熊大
+      "];
+      class sid-B3655226-6C29-4D00-B685-3D5C734DC7E1 node-executed;
+      sid-4DA958A0-26D9-4D47-93A7-70F39FD7D51A["
+      负责人审批
+      强子
+      "];
+      class sid-4DA958A0-26D9-4D47-93A7-70F39FD7D51A node-executed;
+      sid-E27C0367-E6D6-497F-9736-3CDC21FDE221["
+      DBA审批
+      强子
+      "];
+      class sid-E27C0367-E6D6-497F-9736-3CDC21FDE221 node-executed;
+      sid-BED98281-9585-4D1B-934E-BD1AC6AC0EFD["
+      SA审批
+      阿美
+      "];
+      class sid-BED98281-9585-4D1B-934E-BD1AC6AC0EFD node-executed;
+      sid-7CE72B24-E0C1-46D3-8132-8BA66BE05AA7["
+      主管审批
+      光头强
+      "];
+      class sid-7CE72B24-E0C1-46D3-8132-8BA66BE05AA7 node-executed;
+      sid-A1B3CD96-7697-4D7C-BEAA-73D187B1BE89["
+      DBA确认
+      强子
+      "];
+      class sid-A1B3CD96-7697-4D7C-BEAA-73D187B1BE89 node-executed;
+      sid-3E35A7FF-A2F4-4E07-9247-DBF884C81937["
+      SA确认
+      阿美
+      "];
+      class sid-3E35A7FF-A2F4-4E07-9247-DBF884C81937 node-executed;
+      sid-4FC27B48-A6F9-460A-A675-021F5854FE22["
+      结束
+      "];
+      class sid-4FC27B48-A6F9-460A-A675-021F5854FE22 node-executed;
+      sid-19DD9E9F-98C1-44EE-B604-842AFEE76F1E["
+      SA执行1
+      强子
+      "];
+      class sid-19DD9E9F-98C1-44EE-B604-842AFEE76F1E node-executed;
+      sid-6C2120F3-D940-4958-A067-0903DCE879C4["
+      SA执行2
+      强子
+      "];
+      class sid-6C2120F3-D940-4958-A067-0903DCE879C4 node-executed;
+      sid-9180E2A0-5C4B-435F-B42F-0D152470A338["
+      DBA执行1
+      强子
+      "];
+      class sid-9180E2A0-5C4B-435F-B42F-0D152470A338 node-executed;
+      sid-03A2C3AC-5337-48A5-B154-BB3FD0EC8DAD["
+      DBA执行3
+      强子
+      "];
+      class sid-03A2C3AC-5337-48A5-B154-BB3FD0EC8DAD node-executed;
+      sid-D5E1F2F4-306C-47A2-BF74-F66E3D769756["
+      DBA执行2
+      强子
+      "];
+      class sid-D5E1F2F4-306C-47A2-BF74-F66E3D769756 node-executed;
+      sid-8C3F2F1D-F014-4F99-B966-095DC1A2BD93["
+      DBA执行4
+      强子
+      "];
+      class sid-8C3F2F1D-F014-4F99-B966-095DC1A2BD93 node-executed;
+      sid-1897B30A-9C5C-4D5B-B80B-76A038785070["
+      负责人确认
+      梁静茹
+      "];
+      class sid-1897B30A-9C5C-4D5B-B80B-76A038785070 node-executed;
+      sid-B3655226-6C29-4D00-B685-3D5C734DC7E1-->sid-7CE72B24-E0C1-46D3-8132-8BA66BE05AA7;
+      sid-4DA958A0-26D9-4D47-93A7-70F39FD7D51A-->sid-1897B30A-9C5C-4D5B-B80B-76A038785070;
+      sid-E27C0367-E6D6-497F-9736-3CDC21FDE221-->sid-A1B3CD96-7697-4D7C-BEAA-73D187B1BE89;
+      sid-BED98281-9585-4D1B-934E-BD1AC6AC0EFD-->sid-3E35A7FF-A2F4-4E07-9247-DBF884C81937;
+      sid-19DD9E9F-98C1-44EE-B604-842AFEE76F1E-->sid-6C2120F3-D940-4958-A067-0903DCE879C4;
+      sid-9180E2A0-5C4B-435F-B42F-0D152470A338-->sid-D5E1F2F4-306C-47A2-BF74-F66E3D769756;
+      sid-03A2C3AC-5337-48A5-B154-BB3FD0EC8DAD-->sid-8C3F2F1D-F014-4F99-B966-095DC1A2BD93;
+      sid-6C2120F3-D940-4958-A067-0903DCE879C4-->sid-4DA958A0-26D9-4D47-93A7-70F39FD7D51A;
+      sid-1897B30A-9C5C-4D5B-B80B-76A038785070-->sid-4FC27B48-A6F9-460A-A675-021F5854FE22;
+      sid-3E35A7FF-A2F4-4E07-9247-DBF884C81937-->sid-19DD9E9F-98C1-44EE-B604-842AFEE76F1E;
+      sid-A1B3CD96-7697-4D7C-BEAA-73D187B1BE89-->sid-9180E2A0-5C4B-435F-B42F-0D152470A338;
+      sid-A1B3CD96-7697-4D7C-BEAA-73D187B1BE89-->sid-03A2C3AC-5337-48A5-B154-BB3FD0EC8DAD;
+      sid-D5E1F2F4-306C-47A2-BF74-F66E3D769756-->sid-4DA958A0-26D9-4D47-93A7-70F39FD7D51A;
+      sid-8C3F2F1D-F014-4F99-B966-095DC1A2BD93-->sid-4DA958A0-26D9-4D47-93A7-70F39FD7D51A;
+      sid-7CE72B24-E0C1-46D3-8132-8BA66BE05AA7-->sid-BED98281-9585-4D1B-934E-BD1AC6AC0EFD;
+      sid-7CE72B24-E0C1-46D3-8132-8BA66BE05AA7-->sid-E27C0367-E6D6-497F-9736-3CDC21FDE221;
+      sid-3E35A7FF-A2F4-4E07-9247-DBF884C81937-->sid-6C2120F3-D940-4958-A067-0903DCE879C4;
+      sid-7CE72B24-E0C1-46D3-8132-8BA66BE05AA7-->sid-4DA958A0-26D9-4D47-93A7-70F39FD7D51A;
+      sid-7CE72B24-E0C1-46D3-8132-8BA66BE05AA7-->sid-4FC27B48-A6F9-460A-A675-021F5854FE22;
+      `,
+      { fontFamily: 'courier' }
+    );
+  });
+
+  it('13: should render color of styled nodes', () => {
+    imgSnapshotTest(
+      `
+      graph LR
+        foo-->bar
+
+        classDef foo fill:lightblue,color:green,stroke:#FF9E2C,font-weight:bold
+        style foo fill:#F99,stroke-width:2px,stroke:#F0F
+        style bar fill:#999,color: #00ff00, stroke-width:10px,stroke:#0F0
+      `,
+      {
+        listUrl: false,
+        listId: 'color styling',
+        fontFamily: 'courier',
+        logLevel: 0,
+      }
+    );
+  });
+
+  it('14: should render hexagons', () => {
+    imgSnapshotTest(
+      `
+      graph TD
+        A[Christmas] -->|Get money| B(Go shopping)
+        B --> C{{Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?}}
+        C -->|One| D[Laptop]
+        C -->|Two| E[iPhone]
+        C -->|Three| F[Car]
+        click A "index.html#link-clicked" "link test"
+        click B testClick "click test"
+        classDef someclass fill:#f96;
+        class A someclass;
+        class C someclass;
+      `,
+      {
+        listUrl: false,
+        listId: 'color styling',
+        fontFamily: 'courier',
+        logLevel: 0,
+      }
+    );
+  });
+
+  it('15: should render a simple flowchart with comments', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      %% this is a comment
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('16: Render Stadium shape', () => {
+    imgSnapshotTest(
+      ` graph TD
+      A([stadium shape test])
+      A -->|Get money| B([Go shopping])
+      B --> C([Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?])
+      C -->|One| D([Laptop])
+      C -->|Two| E([iPhone])
+      C -->|Three| F([Car<br/>wroom wroom])
+      click A "index.html#link-clicked" "link test"
+      click B testClick "click test"
+      classDef someclass fill:#f96;
+      class A someclass;
+      class C someclass;
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('17: Render multiline texts', () => {
+    imgSnapshotTest(
+      `graph LR
+        A1[Multi<br>Line] -->|Multi<br>Line| B1(Multi<br>Line)
+        C1[Multi<br/>Line] -->|Multi<br/>Line| D1(Multi<br/>Line)
+        E1[Multi<br />Line] -->|Multi<br />Line| F1(Multi<br />Line)
+        A2[Multi<br>Line] -->|Multi<br>Line| B2(Multi<br>Line)
+        C2[Multi<br/>Line] -->|Multi<br/>Line| D2(Multi<br/>Line)
+        E2[Multi<br />Line] -->|Multi<br />Line| F2(Multi<br />Line)
+        linkStyle 0 stroke:DarkGray,stroke-width:2px
+        linkStyle 1 stroke:DarkGray,stroke-width:2px
+        linkStyle 2 stroke:DarkGray,stroke-width:2px
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('18: Chaining of nodes', () => {
+    imgSnapshotTest(
+      `graph LR
+        a --> b --> c
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('19: Multiple nodes and chaining in one statement', () => {
+    imgSnapshotTest(
+      `graph LR
+        a --> b & c--> d
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('20: Multiple nodes and chaining in one statement', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[ h ] -- hello --> B[" test "]:::exClass & C --> D;
+      classDef exClass background:#bbb,border:1px solid red;
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('21: Render cylindrical shape', () => {
+    imgSnapshotTest(
+      `graph LR
+      A[(cylindrical<br />shape<br />test)]
+      A -->|Get money| B1[(Go shopping 1)]
+      A -->|Get money| B2[(Go shopping 2)]
+      A -->|Get money| B3[(Go shopping 3)]
+      C[(Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?)]
+      B1 --> C
+      B2 --> C
+      B3 --> C
+      C -->|One| D[(Laptop)]
+      C -->|Two| E[(iPhone)]
+      C -->|Three| F[(Car)]
+      click A "index.html#link-clicked" "link test"
+      click B testClick "click test"
+      classDef someclass fill:#f96;
+      class A someclass;`,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('22: Render a simple flowchart with nodeSpacing set to 100', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      %% this is a comment
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { nodeSpacing: 50 }, fontFamily: 'courier' }
+    );
+  });
+
+  it('23: Render a simple flowchart with rankSpacing set to 100', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      %% this is a comment
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { rankSpacing: '100' }, fontFamily: 'courier' }
+    );
+  });
+
+  it('24: Keep node label text (if already defined) when a style is applied', () => {
+    imgSnapshotTest(
+      `graph LR
+      A(( )) -->|step 1| B(( ))
+      B(( )) -->|step 2| C(( ))
+      C(( )) -->|step 3| D(( ))
+      linkStyle 1 stroke:greenyellow,stroke-width:2px
+      style C fill:greenyellow,stroke:green,stroke-width:4px
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('25: Handle link click events (link, anchor, mailto, other protocol, script)', () => {
+    imgSnapshotTest(
+      `graph TB
+      TITLE["Link Click Events<br>(click the nodes below)"]
+      A["link test (open in same tab)"]
+      B["link test (open in new tab)"]
+      C[anchor test]
+      D[mailto test]
+      E[other protocol test]
+      F[script test]
+      TITLE --> A & B & C & D & E & F
+      click A "https://mermaid-js.github.io/mermaid/#/" "link test (open in same tab)"
+      click B "https://mermaid-js.github.io/mermaid/#/" "link test (open in new tab)" _blank
+      click C "#link-clicked"
+      click D "mailto:user@user.user" "mailto test"
+      click E "notes://do-your-thing/id" "other protocol test"
+      click F "javascript:alert('test')" "script test"
+      `,
+      { securityLevel: 'loose', fontFamily: 'courier' }
+    );
+  });
+
+  it('26: Set text color of nodes and links according to styles when html labels are enabled', () => {
+    imgSnapshotTest(
+      `graph LR
+      A[red<br>text] -->|red<br>text| B(blue<br>text)
+      C[/red<br/>text/] -->|blue<br/>text| D{blue<br/>text}
+      E{{default<br />style}} -->|default<br />style| F([default<br />style])
+      linkStyle default color:Sienna;
+      linkStyle 0 color:red;
+      linkStyle 1 stroke:DarkGray,stroke-width:2px,color:#0000ff
+      style A color:red;
+      style B color:blue;
+      style C stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style D stroke:#0000ff,fill:#ccccff,color:#0000ff
+      click B "index.html#link-clicked" "link test"
+      click D testClick "click test"
+      `,
+      { flowchart: { htmlLabels: true } }
+    );
+  });
+
+  it('27: Set text color of nodes and links according to styles when html labels are disabled', () => {
+    imgSnapshotTest(
+      `graph LR
+      A[red<br>text] -->|red<br>text| B(blue<br>text)
+      C[/red<br/>text/] -->|blue<br/>text| D{blue<br/>text}
+      E{{default<br />style}} -->|default<br />style| F([default<br />style])
+      linkStyle default color:Sienna;
+      linkStyle 0 color:red;
+      linkStyle 1 stroke:DarkGray,stroke-width:2px,color:#0000ff
+      style A color:red;
+      style B color:blue;
+      style C stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style D stroke:#0000ff,fill:#ccccff,color:#0000ff
+      click B "index.html#link-clicked" "link test"
+      click D testClick "click test"
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('28: Apply default class to all nodes which do not have another class assigned (htmlLabels enabled)', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[myClass1] --> B[default] & C[default]
+      B[default] & C[default] --> D[myClass2]
+      classDef default stroke-width:2px,fill:none,stroke:silver
+      classDef node color:red
+      classDef myClass1 color:#0000ff
+      classDef myClass2 stroke:#0000ff,fill:#ccccff
+      class A myClass1
+      class D myClass2
+      `,
+      { flowchart: { htmlLabels: true } }
+    );
+  });
+
+  it('29: Apply default class to all nodes which do not have another class assigned (htmlLabels disabled)', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[myClass1] --> B[default] & C[default]
+      B[default] & C[default] --> D[myClass2]
+      classDef default stroke-width:2px,fill:none,stroke:silver
+      classDef node color:red
+      classDef myClass1 color:#0000ff
+      classDef myClass2 stroke:#0000ff,fill:#ccccff
+      class A myClass1
+      class D myClass2
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('30: Possibility to style text color of nodes and subgraphs as well as apply classes to subgraphs', () => {
+    imgSnapshotTest(
+      `graph LR
+      subgraph id1 [title is set]
+        A-->B
+      end
+      subgraph id2 [title]
+        E
+      end
+
+      B-->C
+
+      subgraph id3
+      C-->D
+      end
+      class id3,id2,A redBg;
+      class id3,A whiteTxt;
+      classDef redBg fill:#622;
+      classDef whiteTxt color: white;
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('31: should not slice off edges that are to the left of the left-most vertex', () => {
+    imgSnapshotTest(
+      `graph TD
+      work --> sleep
+      sleep --> work
+      eat --> sleep
+      work --> eat
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('32: Render Subroutine shape', () => {
+    imgSnapshotTest(
+      `graph LR
+      A[[subroutine shape test]]
+      A -->|Get money| B[[Go shopping]]
+      B --> C[[Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?]]
+      C -->|One| D[[Laptop]]
+      C -->|Two| E[[iPhone]]
+      C -->|Three| F[[Car<br/>wroom wroom]]
+      click A "index.html#link-clicked" "link test"
+      click B testClick "click test"
+      classDef someclass fill:#f96;
+      class A someclass;
+      class C someclass;
+      `,
+      { flowchart: { htmlLabels: false }, fontFamily: 'courier' }
+    );
+  });
+
+  it('33: should render a simple flowchart with diagramPadding set to 0', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      %% this is a comment
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { diagramPadding: 0 } }
+    );
+  });
+
+  it('34: testing the label width in percy', () => {
+    imgSnapshotTest(
+      `graph TD
+      A[Christmas]
+      `,
+      {}
+    );
+  });
+
+  it('35: should honor minimum edge length as specified by the user', () => {
+    imgSnapshotTest(
+      `graph TD
+      L1 --- L2
+      L2 --- C
+      M1 ---> C
+      R1 .-> R2
+      R2 <.-> C
+      C -->|Label 1| E1
+      C -- Label 2 ---> E2
+      C ----> E3
+      C -----> E4
+      C ======> E5
+      `,
+      {}
+    );
+  });
+  it('36: should render escaped without html labels', () => {
+    imgSnapshotTest(
+      `graph TD
+        a["<strong>Haiya</strong>"]-->b
+      `,
+      { htmlLabels: false, flowchart: { htmlLabels: false } }
+    );
+  });
+  it('37: should render non-escaped with html labels', () => {
+    imgSnapshotTest(
+      `graph TD
+        a["<strong>Haiya</strong>"]-->b
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('38: should render a flowchart when useMaxWidth is true (default)', () => {
+    renderGraph(
+      `graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { useMaxWidth: true } }
+    );
+    cy.get('svg').should((svg) => {
+      expect(svg).to.have.attr('width', '100%');
+      // expect(svg).to.have.attr('height');
+      // use within because the absolute value can be slightly different depending on the environment ±10%
+      // const height = parseFloat(svg.attr('height'));
+      // expect(height).to.be.within(446 * 0.95, 446 * 1.05);
+      const style = svg.attr('style');
+      expect(style).to.match(/^max-width: [\d.]+px;$/);
+      const maxWidthValue = parseFloat(style.match(/[\d.]+/g).join(''));
+      expect(maxWidthValue).to.be.within(300 * 0.9, 300 * 1.1);
+    });
+  });
+  it('39: should render a flowchart when useMaxWidth is false', () => {
+    renderGraph(
+      `graph TD
+      A[Christmas] -->|Get money| B(Go shopping)
+      B --> C{Let me think}
+      C -->|One| D[Laptop]
+      C -->|Two| E[iPhone]
+      C -->|Three| F[fa:fa-car Car]
+      `,
+      { flowchart: { useMaxWidth: false } }
+    );
+    cy.get('svg').should((svg) => {
+      // const height = parseFloat(svg.attr('height'));
+      const width = parseFloat(svg.attr('width'));
+      // use within because the absolute value can be slightly different depending on the environment ±10%
+      // expect(height).to.be.within(446 * 0.95, 446 * 1.05);
+      expect(width).to.be.within(300 * 0.9, 300 * 1.1);
+      expect(svg).to.not.have.attr('style');
+    });
+  });
+  it('58: handle styling with style expressions', () => {
+    imgSnapshotTest(
+      `
+    graph LR
+    id1(Start)-->id2(Stop)
+    style id1 fill:#f9f,stroke:#333,stroke-width:4px
+    style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('60: handle styling for all node shapes', () => {
+    imgSnapshotTest(
+      `
+      graph LR
+      A[red text] -->|default style| B(blue text)
+      C([red text]) -->|default style| D[[blue text]]
+      E[(red text)] -->|default style| F((blue text))
+      G>red text] -->|default style| H{blue text}
+      I{{red text}} -->|default style| J[/blue text/]
+      linkStyle default color:Sienna;
+      style A stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style B stroke:#0000ff,fill:#ccccff,color:#0000ff
+      style C stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style D stroke:#0000ff,fill:#ccccff,color:#0000ff
+      style E stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style F stroke:#0000ff,fill:#ccccff,color:#0000ff
+      style G stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style H stroke:#0000ff,fill:#ccccff,color:#0000ff
+      style I stroke:#ff0000,fill:#ffcccc,color:#ff0000
+      style J stroke:#0000ff,fill:#ccccff,color:#0000ff
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('61: fontawesome icons in edge labels', () => {
+    imgSnapshotTest(
+      `
+graph TD
+  C -->|fa:fa-car Car| F[fa:fa-car Car]
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('62: fontawesome icons in edge labels', () => {
+    imgSnapshotTest(
+      `
+    graph TB
+      subgraph bar[Bar]
+        F
+      end
+      style bar fill:#999,stroke-width:10px,stroke:#0F0,color:blue
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('63: fontawesome icons in edge labels', () => {
+    imgSnapshotTest(
+      `
+    graph TB
+      A
+      B
+      subgraph foo[Foo SubGraph]
+        C
+        D
+      end
+      subgraph bar[Bar SubGraph]
+        E
+        F
+      end
+      G
+
+      A-->B
+      B-->C
+      C-->D
+      B-->D
+      D-->E
+      E-->A
+      E-->F
+      F-->D
+      F-->G
+      B-->G
+      G-->D
+
+      style foo fill:#F99,stroke-width:2px,stroke:#F0F,color:darkred
+      style bar fill:#999,stroke-width:10px,stroke:#0F0,color:blue
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('64: fontawesome icons in edge labels', () => {
+    imgSnapshotTest(
+      `
+    %%{init:{"theme":"base", "themeVariables": {"primaryColor":"#411d4e", "titleColor":"white", "darkMode":true}}}%%
+    flowchart LR
+    subgraph A
+        a --> b
+    end
+    subgraph B
+        i -->f
+    end
+    A --> B
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+  it('65: text-color from classes', () => {
+    imgSnapshotTest(
+      `
+      flowchart LR
+        classDef dark fill:#000,stroke:#000,stroke-width:4px,color:#fff
+        Lorem --> Ipsum --> Dolor
+        class Lorem,Dolor dark
+      `,
+      { htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
+    );
+  });
+});