Merge pull request #6374 from mermaid-js/changeset-release/master

Version Packages

.build/common.ts

@@ -0,0 +1,36 @@
+export interface PackageOptions {
+  name: string;
+  packageName: string;
+  file: string;
+}
+
+/**
+ * Shared common options for both ESBuild and Vite
+ */
+export const packageOptions = {
+  parser: {
+    name: 'mermaid-parser',
+    packageName: 'parser',
+    file: 'index.ts',
+  },
+  mermaid: {
+    name: 'mermaid',
+    packageName: 'mermaid',
+    file: 'mermaid.ts',
+  },
+  'mermaid-example-diagram': {
+    name: 'mermaid-example-diagram',
+    packageName: 'mermaid-example-diagram',
+    file: 'detector.ts',
+  },
+  'mermaid-zenuml': {
+    name: 'mermaid-zenuml',
+    packageName: 'mermaid-zenuml',
+    file: 'detector.ts',
+  },
+  'mermaid-layout-elk': {
+    name: 'mermaid-layout-elk',
+    packageName: 'mermaid-layout-elk',
+    file: 'layouts.ts',
+  },
+} as const satisfies Record<string, PackageOptions>;

.build/generateLangium.ts

@@ -0,0 +1,5 @@
+import { generate } from 'langium-cli';
+
+export async function generateLangium() {
+  await generate({ file: `./packages/parser/langium-config.json` });
+}

.build/jisonTransformer.ts

@@ -1,6 +1,7 @@
 import jison from 'jison';
 
 export const transformJison = (src: string): string => {
+  // @ts-ignore - Jison is not typed properly
   const parser = new jison.Generator(src, {
     moduleType: 'js',
     'token-stack': true,

.build/jsonSchema.ts

@@ -0,0 +1,126 @@
+import { load, JSON_SCHEMA } from 'js-yaml';
+import assert from 'node:assert';
+import Ajv2019, { type JSONSchemaType } from 'ajv/dist/2019.js';
+import type { MermaidConfig, BaseDiagramConfig } from '../packages/mermaid/src/config.type.js';
+
+/**
+ * All of the keys in the mermaid config that have a mermaid diagram config.
+ */
+const MERMAID_CONFIG_DIAGRAM_KEYS = [
+  'flowchart',
+  'sequence',
+  'gantt',
+  'journey',
+  'class',
+  'state',
+  'er',
+  'pie',
+  'quadrantChart',
+  'xyChart',
+  'requirement',
+  'mindmap',
+  'kanban',
+  'timeline',
+  'gitGraph',
+  'c4',
+  'sankey',
+  'block',
+  'packet',
+  'architecture',
+] as const;
+
+/**
+ * Generate default values from the JSON Schema.
+ *
+ * AJV does not support nested default values yet (or default values with $ref),
+ * so we need to manually find them (this may be fixed in ajv v9).
+ *
+ * @param mermaidConfigSchema - The Mermaid JSON Schema to use.
+ * @returns The default mermaid config object.
+ */
+function generateDefaults(mermaidConfigSchema: JSONSchemaType<MermaidConfig>) {
+  const ajv = new Ajv2019({
+    useDefaults: true,
+    allowUnionTypes: true,
+    strict: true,
+  });
+
+  ajv.addKeyword({
+    keyword: 'meta:enum', // used by jsonschema2md
+    errors: false,
+  });
+  ajv.addKeyword({
+    keyword: 'tsType', // used by json-schema-to-typescript
+    errors: false,
+  });
+
+  // ajv currently doesn't support nested default values, see https://github.com/ajv-validator/ajv/issues/1718
+  // (may be fixed in v9) so we need to manually use sub-schemas
+  const mermaidDefaultConfig = {};
+
+  assert.ok(mermaidConfigSchema.$defs);
+  const baseDiagramConfig = mermaidConfigSchema.$defs.BaseDiagramConfig;
+
+  for (const key of MERMAID_CONFIG_DIAGRAM_KEYS) {
+    const subSchemaRef = mermaidConfigSchema.properties[key].$ref;
+    const [root, defs, defName] = subSchemaRef.split('/');
+    assert.strictEqual(root, '#');
+    assert.strictEqual(defs, '$defs');
+    const subSchema = {
+      $schema: mermaidConfigSchema.$schema,
+      $defs: mermaidConfigSchema.$defs,
+      ...mermaidConfigSchema.$defs[defName],
+    } as JSONSchemaType<BaseDiagramConfig>;
+
+    const validate = ajv.compile(subSchema);
+
+    mermaidDefaultConfig[key] = {};
+
+    for (const required of subSchema.required ?? []) {
+      if (subSchema.properties[required] === undefined && baseDiagramConfig.properties[required]) {
+        mermaidDefaultConfig[key][required] = baseDiagramConfig.properties[required].default;
+      }
+    }
+    if (!validate(mermaidDefaultConfig[key])) {
+      throw new Error(
+        `schema for subconfig ${key} does not have valid defaults! Errors were ${JSON.stringify(
+          validate.errors,
+          undefined,
+          2
+        )}`
+      );
+    }
+  }
+
+  const validate = ajv.compile(mermaidConfigSchema);
+
+  if (!validate(mermaidDefaultConfig)) {
+    throw new Error(
+      `Mermaid config JSON Schema does not have valid defaults! Errors were ${JSON.stringify(
+        validate.errors,
+        undefined,
+        2
+      )}`
+    );
+  }
+
+  return mermaidDefaultConfig;
+}
+
+export const loadSchema = (src: string, filename: string): JSONSchemaType<MermaidConfig> => {
+  const jsonSchema = load(src, {
+    filename,
+    // only allow JSON types in our YAML doc (will probably be default in YAML 1.3)
+    // e.g. `true` will be parsed a boolean `true`, `True` will be parsed as string `"True"`.
+    schema: JSON_SCHEMA,
+  }) as JSONSchemaType<MermaidConfig>;
+  return jsonSchema;
+};
+
+export const getDefaults = (schema: JSONSchemaType<MermaidConfig>) => {
+  return `export default ${JSON.stringify(generateDefaults(schema), undefined, 2)};`;
+};
+
+export const getSchema = (schema: JSONSchemaType<MermaidConfig>) => {
+  return `export default ${JSON.stringify(schema, undefined, 2)};`;
+};

.build/types.ts

@@ -0,0 +1,25 @@
+/* eslint-disable no-console */
+import { packageOptions } from './common.js';
+import { execSync } from 'child_process';
+
+const buildType = (packageName: string) => {
+  console.log(`Building types for ${packageName}`);
+  try {
+    const out = execSync(`tsc -p ./packages/${packageName}/tsconfig.json --emitDeclarationOnly`);
+    if (out.length > 0) {
+      console.log(out.toString());
+    }
+  } catch (e) {
+    console.error(e);
+    if (e.stdout.length > 0) {
+      console.error(e.stdout.toString());
+    }
+    if (e.stderr.length > 0) {
+      console.error(e.stderr.toString());
+    }
+  }
+};
+
+for (const { packageName } of Object.values(packageOptions)) {
+  buildType(packageName);
+}

.changeset/README.md

@@ -0,0 +1,8 @@
+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/main/docs/common-questions.md)

.changeset/config.json

@@ -0,0 +1,12 @@
+{
+  "$schema": "https://unpkg.com/@changesets/config@3.0.0/schema.json",
+  "changelog": ["@changesets/changelog-github", { "repo": "mermaid-js/mermaid" }],
+  "commit": false,
+  "fixed": [],
+  "linked": [],
+  "access": "public",
+  "baseBranch": "master",
+  "updateInternalDependencies": "patch",
+  "bumpVersionsWithWorkspaceProtocolOnly": true,
+  "ignore": ["@mermaid-js/docs", "@mermaid-js/webpack-test", "@mermaid-js/mermaid-example-diagram"]
+}

.commitlintrc.json

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

.cspell/code-terms.txt

@@ -13,6 +13,7 @@ bqstring
 BQUOTE
 bramp
 BRKT
+brotli
 callbackargs
 callbackname
 classdef
@@ -25,8 +26,10 @@ concat
 controlx
 controly
 CSSCLASS
+curv
 CYLINDEREND
 CYLINDERSTART
+DAGA
 datakey
 DEND
 descr
@@ -53,6 +56,8 @@ GENERICTYPE
 getBoundarys
 grammr
 graphtype
+halign
+iife
 interp
 introdcued
 INVTRAPEND
@@ -63,6 +68,7 @@ Kaufmann
 keyify
 LABELPOS
 LABELTYPE
+layoutstop
 lcov
 LEFTOF
 Lexa
@@ -74,11 +80,13 @@ loglevel
 LOGMSG
 lookaheads
 mdast
+metafile
 minlen
 Mstartx
 MULT
 NODIR
 NSTR
+outdir
 Qcontrolx
 reinit
 rels
@@ -86,6 +94,7 @@ reqs
 rewritelinks
 rgba
 RIGHTOF
+roughjs
 sankey
 sequencenumber
 shrc
@@ -105,13 +114,17 @@ strikethrough
 stringifying
 struct
 STYLECLASS
+STYLEDEF
 STYLEOPTS
 subcomponent
 subcomponents
+subconfig
 SUBROUTINEEND
 SUBROUTINESTART
 Subschemas
 substr
+SVGG
+SVGSVG
 TAGEND
 TAGSTART
 techn
@@ -122,11 +135,13 @@ titlevalue
 topbar
 TRAPEND
 TRAPSTART
+treemap
 ts-nocheck
 tsdoc
 typeof
 typestr
 unshift
+urlsafe
 verifymethod
 VERIFYMTHD
 WARN_DOCSDIR_DOESNT_MATCH

.cspell/contributors.txt

@@ -4,5 +4,6 @@ cpettitt
 Dong Cai
 Nikolay Rozhkov
 Peng Xiao
+Per Brolin
 subhash-halder
 Vinod Sidharth

.cspell/cspell.config.yaml

@@ -28,6 +28,9 @@ dictionaryDefinitions:
   - name: suggestions
     words:
       - none
+      - disp
+      - subproc
+      - tria
     suggestWords:
       - seperator:separator
       - vertice:vertex

.cspell/libraries.txt

@@ -20,14 +20,18 @@ dagre-d3
 Deepdwn
 Docsify
 Docsy
+Doctave
 DokuWiki
 dompurify
 elkjs
+fcose
 fontawesome
+Forgejo
 Foswiki
 Gitea
 graphlib
 Grav
+icones
 iconify
 Inkdrop
 jiti
@@ -54,13 +58,17 @@ presetAttributify
 pyplot
 redmine
 rehype
+roughjs
 rscratch
+shiki
+Slidev
 sparkline
 sphinxcontrib
 ssim
 stylis
 Swimm
 tsbuildinfo
+tseslint
 Tuleap
 Typora
 unocss

.cspell/mermaid-terms.txt

@@ -1,14 +1,18 @@
 Adamiecki
 arrowend
+Bendpoints
 bmatrix
 braintree
 catmull
 compositTitleSize
+curv
 doublecircle
 elems
 gantt
 gitgraph
 gzipped
+handDrawn
+kanban
 knsv
 Knut
 marginx
@@ -17,10 +21,12 @@ Markdownish
 mermaidjs
 mindmap
 mindmaps
+mrtree
 multigraph
 nodesep
 NOTEGROUP
 Pinterest
+procs
 rankdir
 ranksep
 rect

.cspell/misc-terms.txt

@@ -1 +1,7 @@
+BRANDES
+circo
+handDrawn
+KOEPF
+neato
 newbranch
+validify

.esbuild/build.ts

@@ -0,0 +1,70 @@
+import { build } from 'esbuild';
+import { mkdir, writeFile } from 'node:fs/promises';
+import { packageOptions } from '../.build/common.js';
+import { generateLangium } from '../.build/generateLangium.js';
+import type { MermaidBuildOptions } from './util.js';
+import { defaultOptions, getBuildConfig } from './util.js';
+
+const shouldVisualize = process.argv.includes('--visualize');
+
+const buildPackage = async (entryName: keyof typeof packageOptions) => {
+  const commonOptions: MermaidBuildOptions = {
+    ...defaultOptions,
+    options: packageOptions[entryName],
+  } as const;
+  const buildConfigs: MermaidBuildOptions[] = [
+    // package.mjs
+    { ...commonOptions },
+    // package.min.mjs
+    {
+      ...commonOptions,
+      minify: true,
+      metafile: shouldVisualize,
+    },
+    // package.core.mjs
+    { ...commonOptions, core: true },
+  ];
+
+  if (entryName === 'mermaid') {
+    const iifeOptions: MermaidBuildOptions = { ...commonOptions, format: 'iife' };
+    buildConfigs.push(
+      // mermaid.js
+      { ...iifeOptions },
+      // mermaid.min.js
+      { ...iifeOptions, minify: true, metafile: shouldVisualize }
+    );
+  }
+
+  const results = await Promise.all(buildConfigs.map((option) => build(getBuildConfig(option))));
+
+  if (shouldVisualize) {
+    for (const { metafile } of results) {
+      if (!metafile?.outputs) {
+        continue;
+      }
+      const fileName = Object.keys(metafile.outputs)
+        .find((file) => !file.includes('chunks') && file.endsWith('js'))!
+        .replace('dist/', '');
+      // Upload metafile into https://esbuild.github.io/analyze/
+      await writeFile(`stats/${fileName}.meta.json`, JSON.stringify(metafile));
+    }
+  }
+};
+
+const handler = (e) => {
+  // eslint-disable-next-line no-console
+  console.error(e);
+  process.exit(1);
+};
+
+const main = async () => {
+  await generateLangium();
+  await mkdir('stats', { recursive: true });
+  const packageNames = Object.keys(packageOptions) as (keyof typeof packageOptions)[];
+  // it should build `parser` before `mermaid` because it's a dependency
+  for (const pkg of packageNames) {
+    await buildPackage(pkg).catch(handler);
+  }
+};
+
+void main();

.esbuild/jisonPlugin.ts

@@ -0,0 +1,15 @@
+import { readFile } from 'node:fs/promises';
+import { transformJison } from '../.build/jisonTransformer.js';
+import type { Plugin } from 'esbuild';
+
+export const jisonPlugin: Plugin = {
+  name: 'jison',
+  setup(build) {
+    build.onLoad({ filter: /\.jison$/ }, async (args) => {
+      // Load the file from the file system
+      const source = await readFile(args.path, 'utf8');
+      const contents = transformJison(source);
+      return { contents, warnings: [] };
+    });
+  },
+};

.esbuild/jsonSchemaPlugin.ts

@@ -0,0 +1,35 @@
+import type { JSONSchemaType } from 'ajv/dist/2019.js';
+import type { MermaidConfig } from '../packages/mermaid/src/config.type.js';
+import { readFile } from 'node:fs/promises';
+import { getDefaults, getSchema, loadSchema } from '../.build/jsonSchema.js';
+
+/**
+ * ESBuild plugin that handles JSON Schemas saved as a `.schema.yaml` file.
+ *
+ * Use `my-example.schema.yaml?only-defaults=true` to only load the default values.
+ */
+
+export const jsonSchemaPlugin = {
+  name: 'json-schema-plugin',
+  setup(build) {
+    let schema: JSONSchemaType<MermaidConfig> | undefined = undefined;
+    let content = '';
+
+    build.onLoad({ filter: /config\.schema\.yaml$/ }, async (args) => {
+      // Load the file from the file system
+      const source = await readFile(args.path, 'utf8');
+      const resolvedSchema: JSONSchemaType<MermaidConfig> =
+        content === source && schema ? schema : loadSchema(source, args.path);
+      if (content !== source) {
+        content = source;
+        schema = resolvedSchema;
+      }
+      const contents = args.suffix.includes('only-defaults')
+        ? getDefaults(resolvedSchema)
+        : getSchema(resolvedSchema);
+      return { contents, warnings: [] };
+    });
+  },
+};
+
+export default jsonSchemaPlugin;

.esbuild/server.ts

@@ -0,0 +1,122 @@
+/* eslint-disable no-console */
+import chokidar from 'chokidar';
+import cors from 'cors';
+import { context } from 'esbuild';
+import type { Request, Response } from 'express';
+import express from 'express';
+import { packageOptions } from '../.build/common.js';
+import { generateLangium } from '../.build/generateLangium.js';
+import { defaultOptions, getBuildConfig } from './util.js';
+
+const configs = Object.values(packageOptions).map(({ packageName }) =>
+  getBuildConfig({
+    ...defaultOptions,
+    minify: false,
+    core: false,
+    options: packageOptions[packageName],
+  })
+);
+const mermaidIIFEConfig = getBuildConfig({
+  ...defaultOptions,
+  minify: false,
+  core: false,
+  options: packageOptions.mermaid,
+  format: 'iife',
+});
+configs.push(mermaidIIFEConfig);
+
+const contexts = await Promise.all(
+  configs.map(async (config) => ({ config, context: await context(config) }))
+);
+
+let rebuildCounter = 1;
+const rebuildAll = async () => {
+  const buildNumber = rebuildCounter++;
+  const timeLabel = `Rebuild ${buildNumber} Time (total)`;
+  console.time(timeLabel);
+  await Promise.all(
+    contexts.map(async ({ config, context }) => {
+      const buildVariant = `Rebuild ${buildNumber} Time (${Object.keys(config.entryPoints!)[0]} ${config.format})`;
+      console.time(buildVariant);
+      await context.rebuild();
+      console.timeEnd(buildVariant);
+    })
+  ).catch((e) => console.error(e));
+  console.timeEnd(timeLabel);
+};
+
+let clients: { id: number; response: Response }[] = [];
+function eventsHandler(request: Request, response: Response) {
+  const headers = {
+    'Content-Type': 'text/event-stream',
+    Connection: 'keep-alive',
+    'Cache-Control': 'no-cache',
+  };
+  response.writeHead(200, headers);
+  const clientId = Date.now();
+  clients.push({
+    id: clientId,
+    response,
+  });
+  request.on('close', () => {
+    clients = clients.filter((client) => client.id !== clientId);
+  });
+}
+
+let timeoutID: NodeJS.Timeout | undefined = undefined;
+
+/**
+ * Debounce file change events to avoid rebuilding multiple times.
+ */
+function handleFileChange() {
+  if (timeoutID !== undefined) {
+    clearTimeout(timeoutID);
+  }
+  // eslint-disable-next-line @typescript-eslint/no-misused-promises
+  timeoutID = setTimeout(async () => {
+    await rebuildAll();
+    sendEventsToAll();
+    timeoutID = undefined;
+  }, 100);
+}
+
+function sendEventsToAll() {
+  clients.forEach(({ response }) => response.write(`data: ${Date.now()}\n\n`));
+}
+
+async function createServer() {
+  await generateLangium();
+  handleFileChange();
+  const app = express();
+  chokidar
+    .watch('**/src/**/*.{js,ts,langium,yaml,json}', {
+      ignoreInitial: true,
+      ignored: [/node_modules/, /dist/, /docs/, /coverage/],
+    })
+    // eslint-disable-next-line @typescript-eslint/no-misused-promises
+    .on('all', async (event, path) => {
+      // Ignore other events.
+      if (!['add', 'change'].includes(event)) {
+        return;
+      }
+      console.log(`${path} changed. Rebuilding...`);
+      if (path.endsWith('.langium')) {
+        await generateLangium();
+      }
+      handleFileChange();
+    });
+
+  app.use(cors());
+  app.get('/events', eventsHandler);
+  for (const { packageName } of Object.values(packageOptions)) {
+    app.use(express.static(`./packages/${packageName}/dist`));
+  }
+  app.use(express.static('demos'));
+  app.use(express.static('cypress/platform'));
+
+  app.listen(9000, () => {
+    console.log(`Listening on http://localhost:9000`);
+  });
+}
+
+void createServer();

.esbuild/util.ts

@@ -0,0 +1,106 @@
+import { resolve } from 'path';
+import { fileURLToPath } from 'url';
+import type { BuildOptions } from 'esbuild';
+import { readFileSync } from 'fs';
+import jsonSchemaPlugin from './jsonSchemaPlugin.js';
+import type { PackageOptions } from '../.build/common.js';
+import { jisonPlugin } from './jisonPlugin.js';
+
+const __dirname = fileURLToPath(new URL('.', import.meta.url));
+
+export interface MermaidBuildOptions extends BuildOptions {
+  minify: boolean;
+  core: boolean;
+  metafile: boolean;
+  format: 'esm' | 'iife';
+  options: PackageOptions;
+}
+
+export const defaultOptions: Omit<MermaidBuildOptions, 'entryName' | 'options'> = {
+  minify: false,
+  metafile: false,
+  core: false,
+  format: 'esm',
+} as const;
+
+const buildOptions = (override: BuildOptions): BuildOptions => {
+  return {
+    bundle: true,
+    minify: true,
+    keepNames: true,
+    platform: 'browser',
+    tsconfig: 'tsconfig.json',
+    resolveExtensions: ['.ts', '.js', '.json', '.jison', '.yaml'],
+    external: ['require', 'fs', 'path'],
+    outdir: 'dist',
+    plugins: [jisonPlugin, jsonSchemaPlugin],
+    sourcemap: 'external',
+    ...override,
+  };
+};
+
+const getFileName = (fileName: string, { core, format, minify }: MermaidBuildOptions) => {
+  if (core) {
+    fileName += '.core';
+  } else if (format === 'esm') {
+    fileName += '.esm';
+  }
+  if (minify) {
+    fileName += '.min';
+  }
+  return fileName;
+};
+
+export const getBuildConfig = (options: MermaidBuildOptions): BuildOptions => {
+  const {
+    core,
+    metafile,
+    format,
+    minify,
+    options: { name, file, packageName },
+  } = options;
+  const external: string[] = ['require', 'fs', 'path'];
+  const outFileName = getFileName(name, options);
+  const output: BuildOptions = buildOptions({
+    absWorkingDir: resolve(__dirname, `../packages/${packageName}`),
+    entryPoints: {
+      [outFileName]: `src/${file}`,
+    },
+    metafile,
+    minify,
+    logLevel: 'info',
+    chunkNames: `chunks/${outFileName}/[name]-[hash]`,
+    define: {
+      'import.meta.vitest': 'undefined',
+    },
+  });
+
+  if (core) {
+    const { dependencies } = JSON.parse(
+      readFileSync(resolve(__dirname, `../packages/${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
+    external.push(...Object.keys(dependencies));
+    output.external = external;
+  }
+
+  if (format === 'iife') {
+    output.format = 'iife';
+    output.splitting = false;
+    output.globalName = '__esbuild_esm_mermaid';
+    // Workaround for removing the .default access in esbuild IIFE.
+    // https://github.com/mermaid-js/mermaid/pull/4109#discussion_r1292317396
+    output.footer = {
+      js: 'globalThis.mermaid = globalThis.__esbuild_esm_mermaid.default;',
+    };
+    output.outExtension = { '.js': '.js' };
+  } else {
+    output.format = 'esm';
+    output.splitting = true;
+    output.outExtension = { '.js': '.mjs' };
+  }
+
+  return output;
+};

.eslintignore

@@ -1,8 +0,0 @@
-dist/**
-.github/**
-docs/Setup.md
-cypress.config.js
-cypress/plugins/index.js
-coverage
-*.json
-node_modules

.eslintrc.cjs

@@ -1,189 +0,0 @@
-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',
-  ],
-  ignorePatterns: [
-    // this file is automatically generated by `pnpm run --filter mermaid types:build-config`
-    'packages/mermaid/src/config.type.ts',
-  ],
-  rules: {
-    curly: 'error',
-    'no-console': 'error',
-    'no-prototype-builtins': 'off',
-    'no-unused-vars': 'off',
-    'cypress/no-async-tests': 'off',
-    '@typescript-eslint/consistent-type-imports': 'error',
-    '@typescript-eslint/no-explicit-any': 'warn',
-    '@typescript-eslint/no-floating-promises': 'error',
-    '@typescript-eslint/no-misused-promises': 'error',
-    '@typescript-eslint/no-unused-vars': 'warn',
-    '@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,
-      },
-    ],
-    '@typescript-eslint/naming-convention': [
-      'error',
-      {
-        selector: 'typeLike',
-        format: ['PascalCase'],
-        custom: {
-          regex: '^I[A-Z]',
-          match: false,
-        },
-      },
-    ],
-    'json/*': ['error', 'allowComments'],
-    '@cspell/spellchecker': [
-      'error',
-      {
-        checkIdentifiers: true,
-        checkStrings: true,
-        checkStringTemplates: true,
-      },
-    ],
-    '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: {
-        'no-restricted-syntax': [
-          'error',
-          {
-            selector: 'TSEnumDeclaration',
-            message:
-              'Prefer using TypeScript union types over TypeScript enum, since TypeScript enums have a bunch of issues, see https://dev.to/dvddpl/whats-the-problem-with-typescript-enums-2okj',
-          },
-        ],
-        'tsdoc/syntax': 'error',
-      },
-    },
-    {
-      files: ['*.spec.{ts,js}', 'cypress/**', 'demos/**', '**/docs/**'],
-      rules: {
-        'jsdoc/require-jsdoc': 'off',
-        '@typescript-eslint/no-unused-vars': 'off',
-      },
-    },
-    {
-      files: ['*.spec.{ts,js}', 'tests/**', 'cypress/**/*.js'],
-      rules: {
-        '@cspell/spellchecker': [
-          'error',
-          {
-            checkIdentifiers: false,
-            checkStrings: false,
-            checkStringTemplates: false,
-          },
-        ],
-      },
-    },
-    {
-      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,
-      },
-    },
-  ],
-};

.github/ISSUE_TEMPLATE/config.yml

@@ -4,7 +4,7 @@ contact_links:
     url: https://github.com/mermaid-js/mermaid/discussions
     about: Ask the Community questions or share your own graphs in our discussions.
   - name: Discord
-    url: https://discord.gg/AgrbSrBer3
+    url: https://discord.gg/sKeNQX4Wtj
     about: Join our Community on Discord for Help and a casual chat.
   - name: Documentation
     url: https://mermaid.js.org

.github/codecov.yaml

@@ -15,3 +15,4 @@ coverage:
       # Turing off for now as code coverage isn't stable and causes unnecessary build failures.
       # default:
       #   threshold: 2%
+    patch: off

.github/lychee.toml

@@ -41,7 +41,16 @@ exclude = [
 "https://bundlephobia.com",
 
 # Chrome webstore migration issue. Temporary
-"https://chromewebstore.google.com"
+"https://chromewebstore.google.com",
+
+# Drupal 403
+"https://(www.)?drupal.org",
+
+# Swimm returns 404, eventhough the link is valid
+"https://docs.swimm.io",
+
+# Timeout
+"https://huehive.co"
 ]
 
 # Exclude all private IPs from checking.

.github/pull_request_template.md

@@ -15,4 +15,4 @@ Make sure you
 - [ ] :book: have read the [contribution guidelines](https://mermaid.js.org/community/contributing.html)
 - [ ] :computer: have added necessary unit/e2e tests.
 - [ ] :notebook: have added documentation. Make sure [`MERMAID_RELEASE_VERSION`](https://mermaid.js.org/community/contributing.html#update-documentation) is used for all new features.
-- [ ] :bookmark: targeted `develop` branch
+- [ ] :butterfly: If your PR makes a change that should be noted in one or more packages' changelogs, generate a changeset by running `pnpm changeset` and following the prompts. Changesets that add features should be `minor` and those that fix bugs should be `patch`. Please prefix changeset messages with `feat:`, `fix:`, or `chore:`.

.github/release-drafter.yml

@@ -1,36 +0,0 @@
-name-template: '$NEXT_PATCH_VERSION'
-tag-template: '$NEXT_PATCH_VERSION'
-categories:
-  - title: '🚨 **Breaking Changes**'
-    labels:
-      - 'Breaking Change'
-  - title: '🚀 Features'
-    labels:
-      - 'Type: Enhancement'
-      - 'feature' # deprecated, new PRs shouldn't have this
-  - title: '🐛 Bug Fixes'
-    labels:
-      - 'Type: Bug / Error'
-      - 'fix' # deprecated, new PRs shouldn't have this
-  - title: '🧰 Maintenance'
-    labels:
-      - 'Type: Other'
-      - 'chore' # deprecated, new PRs shouldn't have this
-  - title: '⚡️ Performance'
-    labels:
-      - 'Type: Performance'
-  - title: '📚 Documentation'
-    labels:
-      - 'Area: Documentation'
-change-template: '- $TITLE (#$NUMBER) @$AUTHOR'
-sort-by: title
-sort-direction: ascending
-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/workflows/autofix.yml

@@ -0,0 +1,45 @@
+name: autofix.ci # needed to securely identify the workflow
+
+on:
+  pull_request:
+    branches-ignore:
+      - 'renovate/**'
+permissions:
+  contents: read
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+jobs:
+  autofix:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+        # uses version from "packageManager" field in package.json
+
+      - name: Setup Node.js
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
+        with:
+          cache: pnpm
+          node-version-file: '.node-version'
+
+      - name: Install Packages
+        run: |
+          pnpm install --frozen-lockfile
+        env:
+          CYPRESS_CACHE_FOLDER: .cache/Cypress
+
+      - name: Fix Linting
+        shell: bash
+        run: pnpm -w run lint:fix
+
+      - name: Sync `./src/config.type.ts` with `./src/schemas/config.schema.yaml`
+        shell: bash
+        run: pnpm run --filter mermaid types:build-config
+
+      - name: Build Docs
+        working-directory: ./packages/mermaid
+        run: pnpm run docs:build
+
+      - uses: autofix-ci/action@551dded8c6cc8a1054039c8bc0b8b48c51dfc6ef # main

.github/workflows/build-docs.yml

@@ -8,6 +8,8 @@ on:
   pull_request:
   merge_group:
 
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
 permissions:
   contents: read
 
@@ -16,12 +18,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           cache: pnpm
           node-version-file: '.node-version'

.github/workflows/build.yml

@@ -1,49 +0,0 @@
-name: Build
-
-on:
-  push: {}
-  merge_group:
-  pull_request:
-    types:
-      - opened
-      - synchronize
-      - ready_for_review
-
-permissions:
-  contents: read
-
-jobs:
-  build-mermaid:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: pnpm/action-setup@v4
-        # uses version from "packageManager" field in package.json
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          cache: pnpm
-          node-version-file: '.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

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Check for difference in README.md and docs/README.md
         run: |

.github/workflows/checks.yml

@@ -1,26 +0,0 @@
-on:
-  push:
-  merge_group:
-  pull_request:
-    types:
-      - opened
-      - synchronize
-      - ready_for_review
-
-name: Static analysis on Test files
-
-jobs:
-  check-tests:
-    runs-on: ubuntu-latest
-    name: check tests
-    if: github.repository_owner == 'mermaid-js'
-    steps:
-      - uses: actions/checkout@v4
-        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

@@ -11,6 +11,9 @@ on:
       - synchronize
       - ready_for_review
 
+permissions: # added using https://github.com/step-security/secure-repo
+  contents: read
+
 jobs:
   analyze:
     name: Analyze
@@ -29,11 +32,11 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3.28.10
         with:
           config-file: ./.github/codeql/codeql-config.yml
           languages: ${{ matrix.language }}
@@ -45,7 +48,7 @@ jobs:
       # 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
+        uses: github/codeql-action/autobuild@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3.28.10
 
       # 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
@@ -59,4 +62,4 @@ jobs:
       #   make release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3.28.10

.github/workflows/dependency-review.yml

@@ -15,6 +15,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout Repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: 'Dependency Review'
-        uses: actions/dependency-review-action@v3
+        uses: actions/dependency-review-action@3b139cfc5fae8b618d3eae3675e383bb1769c019 # v4.5.0

.github/workflows/e2e-applitools.yml

@@ -11,6 +11,8 @@ on:
         default: master
         description: 'Parent branch to use for PRs'
 
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
 permissions:
   contents: read
 
@@ -30,13 +32,13 @@ jobs:
         run: |
           echo "::error,title=Not using Applitools::APPLITOOLS_API_KEY is empty, disabling Applitools for this run."
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
         # uses version from "packageManager" field in package.json
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           node-version-file: '.node-version'
 
@@ -52,7 +54,7 @@ jobs:
           APPLITOOLS_SERVER_URL: 'https://eyesapi.applitools.com'
 
       - name: Cypress run
-        uses: cypress-io/github-action@v4
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
         id: cypress
         with:
           start: pnpm run dev

.github/workflows/e2e-timings.yml

@@ -0,0 +1,58 @@
+name: E2E - Generate Timings
+
+on:
+  # run this workflow every night at 3am
+  schedule:
+    - cron: '28 3 * * *'
+  # or when the user triggers it from GitHub Actions page
+  workflow_dispatch:
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions:
+  contents: write
+
+jobs:
+  timings:
+    runs-on: ubuntu-latest
+    container:
+      image: cypress/browsers:node-20.11.0-chrome-121.0.6167.85-1-ff-120.0-edge-121.0.2277.83-1
+      options: --user 1001
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+      - name: Setup Node.js
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
+        with:
+          node-version-file: '.node-version'
+      - name: Install dependencies
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
+        with:
+          runTests: false
+      - name: Cypress run
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
+        id: cypress
+        with:
+          install: false
+          start: pnpm run dev:coverage
+          wait-on: 'http://localhost:9000'
+          browser: chrome
+          publish-summary: false
+        env:
+          VITEST_COVERAGE: true
+          CYPRESS_COMMIT: ${{ github.sha }}
+          SPLIT: 1
+          SPLIT_INDEX: 0
+          SPLIT_FILE: 'cypress/timings.json'
+      - name: Commit changes
+        uses: EndBug/add-and-commit@a94899bca583c204427a224a7af87c02f9b325d5 # v9.1.4
+        with:
+          add: 'cypress/timings.json'
+          author_name: 'github-actions[bot]'
+          author_email: '41898282+github-actions[bot]@users.noreply.github.com'
+          message: 'chore: update E2E timings'
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          branch: release-promotion
+          title: Update E2E Timings

.github/workflows/e2e.yml

@@ -1,25 +1,35 @@
-# We use github cache to save snapshots between runs.
-# For PRs and MergeQueues, the target commit is used, and for push events, github.event.previous is used.
-# If a snapshot for a given Hash is not found, we checkout that commit, run the tests and cache the snapshots.
-# These are then downloaded before running the E2E, providing the reference snapshots.
-# If there are any errors, the diff image is uploaded to artifacts, and the user is notified.
-
 name: E2E
 
 on:
   push:
-    branches-ignore:
-      - 'gh-readonly-queue/**'
+    branches:
+      - develop
+      - master
+      - release/**
   pull_request:
   merge_group:
 
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
 permissions:
   contents: read
 
 env:
-  # For PRs and MergeQueues, the target commit is used, and for push events, github.event.previous is used.
-  targetHash: ${{ github.event.pull_request.base.sha || github.event.merge_group.base_sha || (github.event.before == '0000000000000000000000000000000000000000' && 'develop' || github.event.before)  }}
-
+  # For PRs and MergeQueues, the target commit is used, and for push events to non-develop branches, github.event.previous is used if available. Otherwise, 'develop' is used.
+  targetHash: >-
+    ${{ 
+      github.event.pull_request.base.sha || 
+      github.event.merge_group.base_sha || 
+      (
+        (
+          (github.event_name == 'push' && github.ref == 'refs/heads/develop') || 
+          github.event.before == '0000000000000000000000000000000000000000'
+        ) && 'develop'
+      ) || 
+      github.event.before
+    }}
+  RUN_VISUAL_TEST: >-
+    ${{ github.repository == 'mermaid-js/mermaid' && (github.event_name != 'pull_request' || !startsWith(github.head_ref, 'renovate/')) }}
 jobs:
   cache:
     runs-on: ubuntu-latest
@@ -27,35 +37,39 @@ jobs:
       image: cypress/browsers:node-20.11.0-chrome-121.0.6167.85-1-ff-120.0-edge-121.0.2277.83-1
       options: --user 1001
     steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           node-version-file: '.node-version'
       - name: Cache snapshots
         id: cache-snapshot
-        uses: actions/cache@v4
+        uses: actions/cache@0c907a75c2c80ebcb7f088228285e798b750cf8f # v4.2.1
         with:
-          save-always: true
           path: ./cypress/snapshots
           key: ${{ runner.os }}-snapshots-${{ env.targetHash }}
 
       # If a snapshot for a given Hash is not found, we checkout that commit, run the tests and cache the snapshots.
       - name: Switch to base branch
         if: ${{ steps.cache-snapshot.outputs.cache-hit != 'true' }}
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ env.targetHash }}
 
-      - name: Cypress run
-        uses: cypress-io/github-action@v4
-        id: cypress-snapshot-gen
+      - name: Install dependencies
         if: ${{ steps.cache-snapshot.outputs.cache-hit != 'true' }}
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
         with:
-          start: pnpm run dev
-          wait-on: 'http://localhost:9000'
-          browser: chrome
+          # just perform install
+          runTests: false
+
+      - name: Calculate bundle size
+        if: ${{ steps.cache-snapshot.outputs.cache-hit != 'true'}}
+        run: |
+          pnpm run build:viz
+          mkdir -p cypress/snapshots/stats/base
+          mv stats cypress/snapshots/stats/base
 
   e2e:
     runs-on: ubuntu-latest
@@ -66,49 +80,66 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        containers: [1, 2, 3, 4]
+        containers: [1, 2, 3, 4, 5]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
         # uses version from "packageManager" field in package.json
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           node-version-file: '.node-version'
 
       # These cached snapshots are downloaded, providing the reference snapshots.
       - name: Cache snapshots
         id: cache-snapshot
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@0c907a75c2c80ebcb7f088228285e798b750cf8f # v4.2.1
         with:
           path: ./cypress/snapshots
           key: ${{ runner.os }}-snapshots-${{ env.targetHash }}
 
+      - name: Install dependencies
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
+        with:
+          runTests: false
+
+      - name: Output size diff
+        if: ${{ matrix.containers == 1 }}
+        run: |
+          pnpm run build:viz
+          mv stats cypress/snapshots/stats/head
+          echo '## Bundle size difference' >> "$GITHUB_STEP_SUMMARY"
+          echo '' >> "$GITHUB_STEP_SUMMARY"
+          npx tsx scripts/size.ts >> "$GITHUB_STEP_SUMMARY"
+
       # Install NPM dependencies, cache them correctly
       # and run all Cypress tests
       - name: Cypress run
-        uses: cypress-io/github-action@v4
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
         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:
+          install: false
           start: pnpm run dev:coverage
           wait-on: 'http://localhost:9000'
           browser: chrome
           # 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 != '' }}
+          record: ${{ env.RUN_VISUAL_TEST == 'true' && secrets.CYPRESS_RECORD_KEY != '' }}
         env:
-          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
-          VITEST_COVERAGE: true
+          ARGOS_PARALLEL: ${{ env.RUN_VISUAL_TEST == 'true' }}
+          ARGOS_PARALLEL_TOTAL: ${{ env.RUN_VISUAL_TEST == 'true' && strategy.job-total || 1 }}
+          ARGOS_PARALLEL_INDEX: ${{ env.RUN_VISUAL_TEST == 'true' && matrix.containers || 1 }}
           CYPRESS_COMMIT: ${{ github.sha }}
+          CYPRESS_RECORD_KEY: ${{ env.RUN_VISUAL_TEST == 'true' && secrets.CYPRESS_RECORD_KEY || ''}}
+          SPLIT: ${{ strategy.job-total }}
+          SPLIT_INDEX: ${{ strategy.job-index }}
+          SPLIT_FILE: 'cypress/timings.json'
+          VITEST_COVERAGE: true
 
       - name: Upload Coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
         # Run step only pushes to develop and pull_requests
         if: ${{ steps.cypress.conclusion == 'success' && (github.event_name == 'pull_request' || github.ref == 'refs/heads/develop')}}
         with:
@@ -118,55 +149,3 @@ jobs:
           fail_ci_if_error: false
           verbose: true
           token: 6845cc80-77ee-4e17-85a1-026cd95e0766
-
-      # We upload the artifacts into numbered archives to prevent overwriting
-      - name: Upload Artifacts
-        uses: actions/upload-artifact@v4
-        if: ${{ always() }}
-        with:
-          name: snapshots-${{ matrix.containers }}
-          retention-days: 1
-          path: ./cypress/snapshots
-
-  combineArtifacts:
-    needs: e2e
-    runs-on: ubuntu-latest
-    if: ${{ always() }}
-    steps:
-      # Download all snapshot artifacts and merge them into a single folder
-      - name: Download All Artifacts
-        uses: actions/download-artifact@v4
-        with:
-          path: snapshots
-          pattern: snapshots-*
-          merge-multiple: true
-
-      # For successful push events, we save the snapshots cache
-      - name: Save snapshots cache
-        id: cache-upload
-        if: ${{ github.event_name == 'push' && needs.e2e.result != 'failure' }}
-        uses: actions/cache/save@v3
-        with:
-          path: ./snapshots
-          key: ${{ runner.os }}-snapshots-${{ github.event.after }}
-
-      - name: Flatten images to a folder
-        if: ${{ needs.e2e.result == 'failure'  }}
-        run: |
-          mkdir errors
-          cd snapshots
-          find . -mindepth 2 -type d -name "*__diff_output__*" -exec sh -c 'mv "$0"/*.png ../errors/' {} \;
-
-      - name: Upload Error snapshots
-        if: ${{ needs.e2e.result == 'failure' }}
-        uses: actions/upload-artifact@v4
-        id: upload-artifacts
-        with:
-          name: error-snapshots
-          retention-days: 10
-          path: errors/
-
-      - name: Notify Users
-        if: ${{ needs.e2e.result == 'failure' }}
-        run: |
-          echo "::error title=Visual tests failed::You can view images that failed by downloading the error-snapshots artifact: ${{ steps.upload-artifacts.outputs.artifact-url }}"

.github/workflows/issue-triage.yml

@@ -4,11 +4,17 @@ on:
   issues:
     types: [opened]
 
+permissions: # added using https://github.com/step-security/secure-repo
+  contents: read
+
 jobs:
   triage:
+    permissions:
+      issues: write # for andymckay/labeler to label issues
+      pull-requests: write # for andymckay/labeler to label PRs
     runs-on: ubuntu-latest
     steps:
-      - uses: andymckay/labeler@1.0.4
+      - uses: andymckay/labeler@e6c4322d0397f3240f0e7e30a33b5c5df2d39e90 # 1.0.4
         with:
           repo-token: '${{ secrets.GITHUB_TOKEN }}'
           add-labels: 'Status: Triage'

.github/workflows/link-checker.yml

@@ -19,6 +19,9 @@ on:
     # * is a special character in YAML so you have to quote this string
     - cron: '30 8 * * *'
 
+permissions: # added using https://github.com/step-security/secure-repo
+  contents: read
+
 jobs:
   link-checker:
     runs-on: ubuntu-latest
@@ -26,17 +29,17 @@ jobs:
       # lychee only uses the GITHUB_TOKEN to avoid rate-limiting
       contents: read
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Restore lychee cache
-        uses: actions/cache@v3
+        uses: actions/cache@0c907a75c2c80ebcb7f088228285e798b750cf8f # v4.2.1
         with:
           path: .lycheecache
           key: cache-lychee-${{ github.sha }}
           restore-keys: cache-lychee-
 
       - name: Link Checker
-        uses: lycheeverse/lychee-action@v1.9.3
+        uses: lycheeverse/lychee-action@f613c4a64e50d792e0b31ec34bbcbba12263c6a6 # v2.3.0
         with:
           args: >-
             --config .github/lychee.toml

.github/workflows/lint.yml

@@ -4,26 +4,32 @@ on:
   push:
   merge_group:
   pull_request:
-    types:
-      - opened
-      - synchronize
-      - ready_for_review
   workflow_dispatch:
 
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
 permissions:
   contents: write
 
 jobs:
+  docker-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - uses: hadolint/hadolint-action@54c9adbab1582c2ef04b2016b760714a4bfde3cf # v3.1.0
+        with:
+          verbose: true
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
         # uses version from "packageManager" field in package.json
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           cache: pnpm
           node-version-file: '.node-version'
@@ -83,14 +89,9 @@ jobs:
         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' }}
+      - uses: testomatio/check-tests@0ea638fcec1820cf2e7b9854fdbdd04128a55bd4 # stable
         with:
-          message: 'Update docs'
-          add: 'docs/*'
+          framework: cypress
+          tests: './cypress/e2e/**/**.spec.js'
+          token: ${{ secrets.GITHUB_TOKEN }}
+          has-tests-label: true

.github/workflows/pr-labeler.yml

@@ -22,7 +22,7 @@ jobs:
       pull-requests: write # write permission is required to label PRs
     steps:
       - name: Label PR
-        uses: release-drafter/release-drafter@v5
+        uses: release-drafter/release-drafter@b1476f6e6eb133afa41ed8589daba6dc69b4d3f5 # v6.1.0
         with:
           config-name: pr-labeler.yml
           disable-autolabeler: false

.github/workflows/publish-docs.yml

@@ -23,12 +23,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           cache: pnpm
           node-version-file: '.node-version'
@@ -37,13 +37,13 @@ jobs:
         run: pnpm install --frozen-lockfile
 
       - name: Setup Pages
-        uses: actions/configure-pages@v3
+        uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5.0.0
 
       - name: Run Build
         run: pnpm --filter mermaid run docs:build:vitepress
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3.0.1
         with:
           path: packages/mermaid/src/vitepress/.vitepress/dist
 
@@ -56,4 +56,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4.0.5

.github/workflows/release-draft.yml

@@ -1,23 +0,0 @@
-name: Draft Release
-
-on:
-  push:
-    branches:
-      - master
-
-permissions:
-  contents: read
-
-jobs:
-  draft-release:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write # write permission is required to create a GitHub release
-      pull-requests: read # required to read PR titles/labels
-    steps:
-      - name: Draft Release
-        uses: release-drafter/release-drafter@v5
-        with:
-          disable-autolabeler: true
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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

@@ -9,14 +9,14 @@ jobs:
   publish-preview:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 0
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           cache: pnpm
           node-version-file: '.node-version'
@@ -28,7 +28,7 @@ jobs:
           CYPRESS_CACHE_FOLDER: .cache/Cypress
 
       - name: Install Json
-        run: npm i json --global
+        run: npm i json@11.0.0 --global
 
       - name: Publish
         working-directory: ./packages/mermaid

.github/workflows/release-preview.yml

@@ -0,0 +1,43 @@
+name: Preview release
+
+on:
+  pull_request:
+    branches: [develop]
+    types: [opened, synchronize, labeled, ready_for_review]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+  actions: write
+
+jobs:
+  preview:
+    if: ${{ github.repository_owner == 'mermaid-js' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+      issues: write
+      pull-requests: write
+    name: Publish preview release
+    timeout-minutes: 5
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
+        with:
+          cache: pnpm
+          node-version-file: '.node-version'
+
+      - name: Install Packages
+        run: pnpm install --frozen-lockfile
+
+      - name: Publish packages
+        run: pnpx pkg-pr-new publish --pnpm './packages/*'

.github/workflows/release-publish.yml

@@ -1,47 +0,0 @@
-name: Publish release
-
-on:
-  release:
-    types: [published]
-
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: fregante/setup-git-user@v2
-
-      - uses: pnpm/action-setup@v4
-        # uses version from "packageManager" field in package.json
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          cache: pnpm
-          node-version-file: '.node-version'
-
-      - 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/release.yml

@@ -0,0 +1,46 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - master
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions: # added using https://github.com/step-security/secure-repo
+  contents: read
+
+jobs:
+  release:
+    if: github.repository == 'mermaid-js/mermaid'
+    permissions:
+      contents: write # to create release (changesets/action)
+      id-token: write # OpenID Connect token needed for provenance
+      pull-requests: write # to create pull request (changesets/action)
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
+        with:
+          cache: pnpm
+          node-version-file: '.node-version'
+
+      - name: Install Packages
+        run: pnpm install --frozen-lockfile
+
+      - name: Create Release Pull Request or Publish to npm
+        id: changesets
+        uses: changesets/action@c8bada60c408975afd1a20b3db81d6eee6789308 # v1.4.9
+        with:
+          version: pnpm changeset:version
+          publish: pnpm changeset:publish
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+          NPM_CONFIG_PROVENANCE: true

.github/workflows/scorecard.yml

@@ -0,0 +1,37 @@
+name: Scorecard supply-chain security
+on:
+  branch_protection_rule:
+  push:
+    branches:
+      - develop
+  schedule:
+    - cron: 29 15 * * 0
+permissions: read-all
+jobs:
+  analysis:
+    name: Scorecard analysis
+    permissions:
+      id-token: write
+      security-events: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+      - name: Run analysis
+        uses: ossf/scorecard-action@f49aabe0b5af0936a0987cfb85d86b75731b0186 # v2.4.1
+        with:
+          results_file: results.sarif
+          results_format: sarif
+          publish_results: true
+      - name: Upload artifact
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4.6.1
+        with:
+          name: SARIF file
+          path: results.sarif
+          retention-days: 5
+      - name: Upload to code-scanning
+        uses: github/codeql-action/upload-sarif@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3.28.10
+        with:
+          sarif_file: results.sarif

.github/workflows/test.yml

@@ -9,13 +9,13 @@ jobs:
   unit-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
         # uses version from "packageManager" field in package.json
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
         with:
           cache: pnpm
           node-version-file: '.node-version'
@@ -38,8 +38,12 @@ jobs:
         run: |
           pnpm exec vitest run ./packages/mermaid/src/diagrams/gantt/ganttDb.spec.ts --coverage
 
+      - name: Verify out-of-tree build with TypeScript
+        run: |
+          pnpm test:check:tsc
+
       - name: Upload Coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
         # Run step only pushes to develop and pull_requests
         if: ${{ github.event_name == 'pull_request' || github.ref == 'refs/heads/develop' }}
         with:

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

@@ -8,6 +8,6 @@ jobs:
   triage:
     runs-on: ubuntu-latest
     steps:
-      - uses: Dunning-Kruger/unlock-issues@v1
+      - uses: Dunning-Kruger/unlock-issues@b06b7f7e5c3f2eaa1c6d5d89f40930e4d6d9699e # v1
         with:
           repo-token: '${{ secrets.GITHUB_TOKEN }}'

.github/workflows/update-browserlist.yml

@@ -8,18 +8,18 @@ jobs:
   update-browser-list:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
       - run: npx update-browserslist-db@latest
       - name: Commit changes
-        uses: EndBug/add-and-commit@v9
+        uses: EndBug/add-and-commit@a94899bca583c204427a224a7af87c02f9b325d5 # v9.1.4
         with:
           author_name: ${{ github.actor }}
           author_email: ${{ github.actor }}@users.noreply.github.com
           message: 'chore: update browsers list'
           push: false
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@67ccf781d68cd99b580ae25a5c18a1cc84ffff1f # v7.0.6
         with:
           branch: update-browserslist
           title: Update Browserslist

.gitignore

@@ -35,7 +35,7 @@ cypress/snapshots/
 .tsbuildinfo
 tsconfig.tsbuildinfo
 
-knsv*.html
+#knsv*.html
 local*.html
 stats/
 
@@ -46,4 +46,9 @@ stats/
 
 demos/dev/**
 !/demos/dev/example.html
+!/demos/dev/reload.js
 tsx-0/**
+vite.config.ts.timestamp-*
+
+# autogenereated by langium-cli
+generated/

.hadolint.yaml

@@ -0,0 +1,2 @@
+ignored:
+  - DL3002 # TODO: Last USER should not be root

.husky/commit-msg

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

.husky/pre-commit

@@ -1,4 +1,2 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
-pnpm run pre-commit
+#!/usr/bin/env sh
+NODE_OPTIONS="--max_old_space_size=8192" pnpm run pre-commit

.node-version

@@ -1 +1 @@
-v20.11.1
+22.14.0

.prettierignore

@@ -11,6 +11,10 @@ stats
 .nyc_output
 # Autogenerated by `pnpm run --filter mermaid types:build-config`
 packages/mermaid/src/config.type.ts
+# autogenereated by langium-cli
+generated/
 # Ignore the files creates in /demos/dev except for example.html
 demos/dev/**
 !/demos/dev/example.html
+# TODO: Lots of errors to fix
+cypress/platform/state-refactor.html

.prettierrc.json

@@ -3,5 +3,6 @@
   "printWidth": 100,
   "singleQuote": true,
   "useTabs": false,
-  "tabWidth": 2
+  "tabWidth": 2,
+  "trailingComma": "es5"
 }

.vite/build.ts

@@ -1,13 +1,15 @@
-import { build, InlineConfig, type PluginOption } from 'vite';
+import type { InlineConfig } from 'vite';
+import { build, type PluginOption } from 'vite';
 import { resolve } from 'path';
 import { fileURLToPath } from 'url';
 import jisonPlugin from './jisonPlugin.js';
 import jsonSchemaPlugin from './jsonSchemaPlugin.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';
 import istanbul from 'vite-plugin-istanbul';
+import { packageOptions } from '../.build/common.js';
+import { generateLangium } from '../.build/generateLangium.js';
 
 const visualize = process.argv.includes('--visualize');
 const watch = process.argv.includes('--watch');
@@ -36,24 +38,6 @@ const visualizerOptions = (packageName: string, core = false): 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',
-  },
-  'mermaid-zenuml': {
-    name: 'mermaid-zenuml',
-    packageName: 'mermaid-zenuml',
-    file: 'detector.ts',
-  },
-};
-
 interface BuildOptions {
   minify: boolean | 'esbuild';
   core?: boolean;
@@ -63,43 +47,18 @@ interface BuildOptions {
 
 export const getBuildConfig = ({ minify, core, watch, entryName }: BuildOptions): InlineConfig => {
   const external: (string | RegExp)[] = ['require', 'fs', 'path'];
+  // eslint-disable-next-line no-console
   console.log(entryName, packageOptions[entryName]);
   const { name, file, packageName } = packageOptions[entryName];
-  let output: OutputOptions = [
+  const 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: {
@@ -126,10 +85,9 @@ export const getBuildConfig = ({ minify, core, watch, entryName }: BuildOptions)
     plugins: [
       jisonPlugin(),
       jsonSchemaPlugin(), // handles `.schema.yaml` files
-      // @ts-expect-error According to the type definitions, rollup plugins are incompatible with vite
       typescript({ compilerOptions: { declaration: false } }),
       istanbul({
-        exclude: ['node_modules', 'test/', '__mocks__'],
+        exclude: ['node_modules', 'test/', '__mocks__', 'generated'],
         extension: ['.js', '.ts'],
         requireEnv: true,
         forceBuildInstrument: coverage,
@@ -149,24 +107,28 @@ export const getBuildConfig = ({ minify, core, watch, entryName }: BuildOptions)
 
 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')) {
+  for (const pkg of packageNames.filter(
+    (pkg) => !mermaidOnly || pkg === 'mermaid' || pkg === 'parser'
+  )) {
     await buildPackage(pkg);
   }
 };
 
+await generateLangium();
+
 if (watch) {
-  build(getBuildConfig({ minify: false, watch, core: false, entryName: 'mermaid' }));
+  await build(getBuildConfig({ minify: false, watch, core: false, entryName: 'parser' }));
+  void build(getBuildConfig({ minify: false, watch, core: false, entryName: 'mermaid' }));
   if (!mermaidOnly) {
-    build(getBuildConfig({ minify: false, watch, entryName: 'mermaid-example-diagram' }));
-    build(getBuildConfig({ minify: false, watch, entryName: 'mermaid-zenuml' }));
+    void build(getBuildConfig({ minify: false, watch, entryName: 'mermaid-example-diagram' }));
+    void build(getBuildConfig({ minify: false, watch, entryName: 'mermaid-zenuml' }));
   }
 } else if (visualize) {
+  await build(getBuildConfig({ minify: false, watch, core: false, entryName: 'parser' }));
   await build(getBuildConfig({ minify: false, core: true, entryName: 'mermaid' }));
   await build(getBuildConfig({ minify: false, core: false, entryName: 'mermaid' }));
 } else {

.vite/jisonPlugin.ts

@@ -1,10 +1,10 @@
-import { transformJison } from './jisonTransformer.js';
+import { transformJison } from '../.build/jisonTransformer.js';
+
 const fileRegex = /\.(jison)$/;
 
 export default function jison() {
   return {
     name: 'jison',
-
     transform(src: string, id: string) {
       if (fileRegex.test(id)) {
         return {

.vite/jsonSchemaPlugin.ts

@@ -1,110 +1,5 @@
-import { load, JSON_SCHEMA } from 'js-yaml';
-import assert from 'node:assert';
-import Ajv2019, { type JSONSchemaType } from 'ajv/dist/2019.js';
-import { PluginOption } from 'vite';
-
-import type { MermaidConfig, BaseDiagramConfig } from '../packages/mermaid/src/config.type.js';
-
-/**
- * All of the keys in the mermaid config that have a mermaid diagram config.
- */
-const MERMAID_CONFIG_DIAGRAM_KEYS = [
-  'flowchart',
-  'sequence',
-  'gantt',
-  'journey',
-  'class',
-  'state',
-  'er',
-  'pie',
-  'quadrantChart',
-  'xyChart',
-  'requirement',
-  'mindmap',
-  'timeline',
-  'gitGraph',
-  'c4',
-  'sankey',
-  'block',
-] as const;
-
-/**
- * Generate default values from the JSON Schema.
- *
- * AJV does not support nested default values yet (or default values with $ref),
- * so we need to manually find them (this may be fixed in ajv v9).
- *
- * @param mermaidConfigSchema - The Mermaid JSON Schema to use.
- * @returns The default mermaid config object.
- */
-function generateDefaults(mermaidConfigSchema: JSONSchemaType<MermaidConfig>) {
-  const ajv = new Ajv2019({
-    useDefaults: true,
-    allowUnionTypes: true,
-    strict: true,
-  });
-
-  ajv.addKeyword({
-    keyword: 'meta:enum', // used by jsonschema2md
-    errors: false,
-  });
-  ajv.addKeyword({
-    keyword: 'tsType', // used by json-schema-to-typescript
-    errors: false,
-  });
-
-  // ajv currently doesn't support nested default values, see https://github.com/ajv-validator/ajv/issues/1718
-  // (may be fixed in v9) so we need to manually use sub-schemas
-  const mermaidDefaultConfig = {};
-
-  assert.ok(mermaidConfigSchema.$defs);
-  const baseDiagramConfig = mermaidConfigSchema.$defs.BaseDiagramConfig;
-
-  for (const key of MERMAID_CONFIG_DIAGRAM_KEYS) {
-    const subSchemaRef = mermaidConfigSchema.properties[key].$ref;
-    const [root, defs, defName] = subSchemaRef.split('/');
-    assert.strictEqual(root, '#');
-    assert.strictEqual(defs, '$defs');
-    const subSchema = {
-      $schema: mermaidConfigSchema.$schema,
-      $defs: mermaidConfigSchema.$defs,
-      ...mermaidConfigSchema.$defs[defName],
-    } as JSONSchemaType<BaseDiagramConfig>;
-
-    const validate = ajv.compile(subSchema);
-
-    mermaidDefaultConfig[key] = {};
-
-    for (const required of subSchema.required ?? []) {
-      if (subSchema.properties[required] === undefined && baseDiagramConfig.properties[required]) {
-        mermaidDefaultConfig[key][required] = baseDiagramConfig.properties[required].default;
-      }
-    }
-    if (!validate(mermaidDefaultConfig[key])) {
-      throw new Error(
-        `schema for subconfig ${key} does not have valid defaults! Errors were ${JSON.stringify(
-          validate.errors,
-          undefined,
-          2
-        )}`
-      );
-    }
-  }
-
-  const validate = ajv.compile(mermaidConfigSchema);
-
-  if (!validate(mermaidDefaultConfig)) {
-    throw new Error(
-      `Mermaid config JSON Schema does not have valid defaults! Errors were ${JSON.stringify(
-        validate.errors,
-        undefined,
-        2
-      )}`
-    );
-  }
-
-  return mermaidDefaultConfig;
-}
+import type { PluginOption } from 'vite';
+import { getDefaults, getSchema, loadSchema } from '../.build/jsonSchema.js';
 
 /**
  * Vite plugin that handles JSON Schemas saved as a `.schema.yaml` file.
@@ -121,32 +16,13 @@ export default function jsonSchemaPlugin(): PluginOption {
         return;
       }
 
-      if (idAsUrl.searchParams.get('only-defaults')) {
-        const jsonSchema = load(src, {
-          filename: idAsUrl.pathname,
-          // only allow JSON types in our YAML doc (will probably be default in YAML 1.3)
-          // e.g. `true` will be parsed a boolean `true`, `True` will be parsed as string `"True"`.
-          schema: JSON_SCHEMA,
-        }) as JSONSchemaType<MermaidConfig>;
-        return {
-          code: `export default ${JSON.stringify(generateDefaults(jsonSchema), undefined, 2)};`,
-          map: null, // no source map
-        };
-      } else {
-        return {
-          code: `export default ${JSON.stringify(
-            load(src, {
-              filename: idAsUrl.pathname,
-              // only allow JSON types in our YAML doc (will probably be default in YAML 1.3)
-              // e.g. `true` will be parsed a boolean `true`, `True` will be parsed as string `"True"`.
-              schema: JSON_SCHEMA,
-            }),
-            undefined,
-            2
-          )};`,
-          map: null, // provide source map if available
-        };
-      }
+      const jsonSchema = loadSchema(src, idAsUrl.pathname);
+      return {
+        code: idAsUrl.searchParams.get('only-defaults')
+          ? getDefaults(jsonSchema)
+          : getSchema(jsonSchema),
+        map: null, // no source map
+      };
     },
   };
 }

.vite/server.ts

@@ -1,6 +1,7 @@
 import express from 'express';
 import cors from 'cors';
 import { createServer as createViteServer } from 'vite';
+import { packageOptions } from '../.build/common.js';
 
 async function createServer() {
   const app = express();
@@ -14,16 +15,17 @@ async function createServer() {
   });
 
   app.use(cors());
-  app.use(express.static('./packages/mermaid/dist'));
-  app.use(express.static('./packages/mermaid-zenuml/dist'));
-  app.use(express.static('./packages/mermaid-example-diagram/dist'));
+  for (const { packageName } of Object.values(packageOptions)) {
+    app.use(express.static(`./packages/${packageName}/dist`));
+  }
   app.use(vite.middlewares);
   app.use(express.static('demos'));
   app.use(express.static('cypress/platform'));
 
   app.listen(9000, () => {
+    // eslint-disable-next-line no-console
     console.log(`Listening on http://localhost:9000`);
   });
 }
 
-createServer();
+void createServer();

Dockerfile

@@ -1,2 +1,13 @@
-FROM node:20.11.1-alpine3.19 AS base
-RUN wget -qO- https://get.pnpm.io/install.sh | ENV="$HOME/.shrc" SHELL="$(which sh)" sh -
+FROM node:22.12.0-alpine3.19@sha256:40dc4b415c17b85bea9be05314b4a753f45a4e1716bb31c01182e6c53d51a654
+
+USER 0:0
+
+RUN corepack enable \
+    && corepack enable pnpm
+
+RUN apk add --no-cache git~=2.43.4 \
+    && git config --add --system safe.directory /mermaid
+
+ENV NODE_OPTIONS="--max_old_space_size=8192"
+
+EXPOSE 9000 3333

FUNDING.json

@@ -0,0 +1,7 @@
+{
+  "drips": {
+    "ethereum": {
+      "ownedBy": "0x0831DDFe60d009d9448CC976157b539089aB821E"
+    }
+  }
+}

README.md

@@ -15,7 +15,7 @@ Generate diagrams from markdown-like text.
 <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://discord.gg/AgrbSrBer3" title="Discord invite">🙌 Join Us</a>
+ <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://discord.gg/sKeNQX4Wtj" title="Discord invite">🙌 Join Us</a>
 </p>
 <p align="center">
 <a href="./README.zh-CN.md">简体中文</a>
@@ -33,8 +33,10 @@ Try Live Editor previews of future releases: <a href="https://develop.git.mermai
 [![Coverage Status](https://codecov.io/github/mermaid-js/mermaid/branch/develop/graph/badge.svg)](https://app.codecov.io/github/mermaid-js/mermaid/tree/develop)
 [![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 Discord!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=discord&label=discord)](https://discord.gg/AgrbSrBer3)
+[![Join our Discord!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=discord&label=discord)](https://discord.gg/sKeNQX4Wtj)
 [![Twitter Follow](https://img.shields.io/badge/Social-mermaidjs__-blue?style=social&logo=X)](https://twitter.com/mermaidjs_)
+[![Covered by Argos Visual Testing](https://argos-ci.com/badge.svg)](https://argos-ci.com?utm_source=mermaid&utm_campaign=oss)
+[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/mermaid-js/mermaid/badge)](https://securityscorecards.dev/viewer/?uri=github.com/mermaid-js/mermaid)
 
 <img src="./img/header.png" alt="" />
 
@@ -81,6 +83,10 @@ You can also use Mermaid within [GitHub](https://github.blog/2022-02-14-include-
 
 For a more detailed introduction to Mermaid and some of its more basic uses, look to the [Beginner's Guide](https://mermaid.js.org/intro/getting-started.html), [Usage](https://mermaid.js.org/config/usage.html) and [Tutorials](https://mermaid.js.org/ecosystem/tutorials.html).
 
+Our PR Visual Regression Testing is powered by [Argos](https://argos-ci.com/?utm_source=mermaid&utm_campaign=oss) with their generous Open Source plan. It makes the process of reviewing PRs with visual changes a breeze.
+
+[![Covered by Argos Visual Testing](https://argos-ci.com/badge-large.svg)](https://argos-ci.com?utm_source=mermaid&utm_campaign=oss)
+
 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/">
@@ -89,6 +95,10 @@ In our release process we rely heavily on visual regression tests using [applito
 
 <!-- </Main description> -->
 
+## Mermaid AI Bot
+
+[Mermaid](https://codeparrot.ai/oracle?owner=mermaid-js&repo=mermaid) Bot will help you understand this repository better. You can ask for code examples, installation guide, debugging help and much more.
+
 ## 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.org/intro/syntax-reference.html).**
@@ -247,6 +257,34 @@ pie
 
 ### 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>]
 
+```
+gitGraph
+  commit
+  commit
+  branch develop
+  checkout develop
+  commit
+  commit
+  checkout main
+  merge develop
+  commit
+  commit
+```
+
+```mermaid
+gitGraph
+  commit
+  commit
+  branch develop
+  checkout develop
+  commit
+  commit
+  checkout main
+  merge develop
+  commit
+  commit
+```
+
 ### Bar chart (using gantt chart) [<a href="https://mermaid.js.org/syntax/gantt.html">docs</a> - <a href="https://mermaid.live/edit#pako:eNptkU1vhCAQhv8KIenNugiI4rkf6bmXpvEyFVxJFDYyNt1u9r8X63Z7WQ9m5pknLzieaBeMpQ3dg0dsPUkPOhwteXZIXmJcbCT3xMAxkuh8Z8kIEclyMIB209fqKcwTICFvG4IvFy_oLrZ-g9F26ILfQgvNFN94VaRXQ1iWqpumZBcu1J8p1E1TXDx59eQNr5LyEqjJn6hv5QnGNlxevZJmdLLpy5xJSzut45biYCfb0iaVxvawjNjS1p-TCguG16PvaIPzYjO67e3BwX6GiTY9jPFKH43DMF_hGMDY1J4oHg-_f8hFTJFd8L3br3yZx4QHxENsdrt1nO8dDstH3oVpF50ZYMbhU6ud4qoGLqyqBJRCmO6j0HXPZdGbihUc6Pmc0QP49xD-b5X69ZQv2gjO81IwzWqhC1lKrjJ6pA3nVS7SMiVjrKirWlYp5fs3osgrWeo00lorLWvOzz8JVbXm">live editor</a>]
 
 ```
@@ -429,7 +467,7 @@ A quick note from Knut Sveidqvist:
 >
 > _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!_
+> _Thank you to the ever-growing list of [contributors](https://github.com/mermaid-js/mermaid/graphs/contributors) that brought the project this far!_
 
 ---
 

README.zh-CN.md

@@ -15,7 +15,7 @@ Mermaid
 <a href="https://mermaid.live/"><b>实时编辑器!</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://discord.gg/AgrbSrBer3" title="Discord invite">🙌 加入我们</a>
+ <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://discord.gg/sKeNQX4Wtj" title="Discord invite">🙌 加入我们</a>
 </p>
 <p align="center">
 <a href="./README.md">English</a>
@@ -34,7 +34,7 @@ Mermaid
 [![Coverage Status](https://codecov.io/github/mermaid-js/mermaid/branch/develop/graph/badge.svg)](https://app.codecov.io/github/mermaid-js/mermaid/tree/develop)
 [![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 Discord!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=discord&label=discord)](https://discord.gg/AgrbSrBer3)
+[![Join our Discord!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=discord&label=discord)](https://discord.gg/sKeNQX4Wtj)
 [![Twitter Follow](https://img.shields.io/badge/Social-mermaidjs__-blue?style=social&logo=X)](https://twitter.com/mermaidjs_)
 
 <img src="./img/header.png" alt="" />
@@ -358,7 +358,7 @@ _很不幸的是，鱼与熊掌不可兼得，在这个场景下它意味着在
 
 > _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！_
+> _感谢越来越多的 [贡献者们](https://github.com/mermaid-js/mermaid/graphs/contributors)，没有你们，就没有这个项目的今天！_
 
 ---
 

__mocks__/c4Renderer.js

@@ -1,21 +0,0 @@
-/**
- * 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

@@ -1,16 +0,0 @@
-/**
- * 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

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

__mocks__/dagre-d3.ts

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

__mocks__/entity-decode/browser.ts

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

__mocks__/erRenderer.js

@@ -1,16 +0,0 @@
-/**
- * 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

@@ -1,24 +0,0 @@
-/**
- * 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

@@ -1,16 +0,0 @@
-/**
- * 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

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

__mocks__/journeyRenderer.js

@@ -1,15 +0,0 @@
-/**
- * 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.ts

@@ -1,8 +0,0 @@
-/**
- * Mocked pie (picChart) diagram renderer
- */
-import { vi } from 'vitest';
-
-const draw = vi.fn().mockImplementation(() => '');
-
-export const renderer = { draw };

__mocks__/requirementRenderer.js

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

__mocks__/sankeyRenderer.js

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

__mocks__/sequenceRenderer.js

@@ -1,23 +0,0 @@
-/**
- * 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

@@ -1,22 +0,0 @@
-/**
- * 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,
-};

cypress.config.ts

@@ -1,7 +1,10 @@
+import eyesPlugin from '@applitools/eyes-cypress';
+import { registerArgosTask } from '@argos-ci/cypress/task';
+import coverage from '@cypress/code-coverage/task';
 import { defineConfig } from 'cypress';
 import { addMatchImageSnapshotPlugin } from 'cypress-image-snapshot/plugin';
-import coverage from '@cypress/code-coverage/task';
-import eyesPlugin from '@applitools/eyes-cypress';
+import cypressSplit from 'cypress-split';
+
 export default eyesPlugin(
   defineConfig({
     projectId: 'n2sma2',
@@ -11,16 +14,22 @@ export default eyesPlugin(
       specPattern: 'cypress/integration/**/*.{js,ts}',
       setupNodeEvents(on, config) {
         coverage(on, config);
+        cypressSplit(on, config);
         on('before:browser:launch', (browser, launchOptions) => {
           if (browser.name === 'chrome' && browser.isHeadless) {
             launchOptions.args.push('--window-size=1440,1024', '--force-device-scale-factor=1');
           }
           return launchOptions;
         });
-        addMatchImageSnapshotPlugin(on, config);
         // copy any needed variables from process.env to config.env
         config.env.useAppli = process.env.USE_APPLI ? true : false;
+        config.env.useArgos = process.env.RUN_VISUAL_TEST === 'true';
 
+        if (config.env.useArgos) {
+          registerArgosTask(on, config);
+        } else {
+          addMatchImageSnapshotPlugin(on, config);
+        }
         // do not forget to return the changed config object!
         return config;
       },

cypress/helpers/util.ts

@@ -29,13 +29,14 @@ export const mermaidUrl = (
   options: CypressMermaidConfig,
   api: boolean
 ): string => {
+  options.handDrawnSeed = 1;
   const codeObject: CodeObject = {
     code: graphStr,
     mermaid: options,
   };
   const objStr: string = JSON.stringify(codeObject);
   let url = `http://localhost:9000/e2e.html?graph=${utf8ToB64(objStr)}`;
-  if (api) {
+  if (api && typeof graphStr === 'string') {
     url = `http://localhost:9000/xss.html?graph=${graphStr}`;
   }
 
@@ -54,16 +55,15 @@ export const imgSnapshotTest = (
 ): void => {
   const options: CypressMermaidConfig = {
     ..._options,
-    fontFamily: _options.fontFamily || 'courier',
+    fontFamily: _options.fontFamily ?? 'courier',
     // @ts-ignore TODO: Fix type of fontSize
-    fontSize: _options.fontSize || '16px',
+    fontSize: _options.fontSize ?? '16px',
     sequence: {
-      ...(_options.sequence || {}),
+      ...(_options.sequence ?? {}),
       actorFontFamily: 'courier',
-      noteFontFamily:
-        _options.sequence && _options.sequence.noteFontFamily
-          ? _options.sequence.noteFontFamily
-          : 'courier',
+      noteFontFamily: _options.sequence?.noteFontFamily
+        ? _options.sequence.noteFontFamily
+        : 'courier',
       messageFontFamily: 'courier',
     },
   };
@@ -74,7 +74,7 @@ export const imgSnapshotTest = (
 
 export const urlSnapshotTest = (
   url: string,
-  options: CypressMermaidConfig,
+  options: CypressMermaidConfig = {},
   _api = false,
   validation?: any
 ): void => {
@@ -95,18 +95,7 @@ export const openURLAndVerifyRendering = (
   options: CypressMermaidConfig,
   validation?: any
 ): void => {
-  const useAppli: boolean = Cypress.env('useAppli');
-  const name: string = (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,
-    });
-  }
+  const name: string = (options.name ?? cy.state('runnable').fullTitle()).replace(/\s+/g, '-');
 
   cy.visit(url);
   cy.window().should('have.property', 'rendered', true);
@@ -116,12 +105,37 @@ export const openURLAndVerifyRendering = (
     cy.get('svg').should(validation);
   }
 
+  verifyScreenshot(name);
+};
+
+export const verifyScreenshot = (name: string): void => {
+  const useAppli: boolean = Cypress.env('useAppli');
+  const useArgos: boolean = Cypress.env('useArgos');
+
   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.log(`Check eyes ${Cypress.spec.name}`);
     cy.eyesCheckWindow('Click!');
     cy.log(`Closing eyes ${Cypress.spec.name}`);
     cy.eyesClose();
+  } else if (useArgos) {
+    cy.argosScreenshot(name, {
+      threshold: 0.01,
+    });
   } else {
     cy.matchImageSnapshot(name);
   }
 };
+
+export const verifyNumber = (value: number, expected: number, deltaPercent = 10): void => {
+  expect(value).to.be.within(
+    expected * (1 - deltaPercent / 100),
+    expected * (1 + deltaPercent / 100)
+  );
+};

cypress/integration/other/configuration.spec.js

@@ -1,4 +1,4 @@
-import { renderGraph } from '../../helpers/util.ts';
+import { renderGraph, verifyScreenshot } from '../../helpers/util.ts';
 describe('Configuration', () => {
   describe('arrowMarkerAbsolute', () => {
     it('should handle default value false of arrowMarkerAbsolute', () => {
@@ -118,11 +118,52 @@ describe('Configuration', () => {
     it('should not taint the initial configuration when using multiple directives', () => {
       const url = 'http://localhost:9000/regression/issue-1874.html';
       cy.visit(url);
-
-      cy.get('svg');
-      cy.matchImageSnapshot(
+      cy.window().should('have.property', 'rendered', true);
+      verifyScreenshot(
         'configuration.spec-should-not-taint-initial-configuration-when-using-multiple-directives'
       );
     });
   });
+
+  describe('suppressErrorRendering', () => {
+    beforeEach(() => {
+      cy.on('uncaught:exception', (err, runnable) => {
+        return !err.message.includes('Parse error on line');
+      });
+    });
+
+    it('should not render error diagram if suppressErrorRendering is set', () => {
+      const url = 'http://localhost:9000/suppressError.html?suppressErrorRendering=true';
+      cy.visit(url);
+      cy.window().should('have.property', 'rendered', true);
+      cy.get('#test')
+        .find('svg')
+        .should(($svg) => {
+          // all failing diagrams should not appear!
+          expect($svg).to.have.length(2);
+          // none of the diagrams should be error diagrams
+          expect($svg).to.not.contain('Syntax error');
+        });
+      verifyScreenshot(
+        'configuration.spec-should-not-render-error-diagram-if-suppressErrorRendering-is-set'
+      );
+    });
+
+    it('should render error diagram if suppressErrorRendering is not set', () => {
+      const url = 'http://localhost:9000/suppressError.html';
+      cy.visit(url);
+      cy.window().should('have.property', 'rendered', true);
+      cy.get('#test')
+        .find('svg')
+        .should(($svg) => {
+          // all five diagrams should be rendered
+          expect($svg).to.have.length(5);
+          // some of the diagrams should be error diagrams
+          expect($svg).to.contain('Syntax error');
+        });
+      verifyScreenshot(
+        'configuration.spec-should-render-error-diagram-if-suppressErrorRendering-is-not-set'
+      );
+    });
+  });
 });

cypress/integration/other/iife.spec.js

@@ -0,0 +1,11 @@
+describe('IIFE', () => {
+  beforeEach(() => {
+    cy.visit('http://localhost:9000/iife.html');
+  });
+
+  it('should render when using mermaid.min.js', () => {
+    cy.window().should('have.property', 'rendered', true);
+    cy.get('svg').should('be.visible');
+    cy.get('#d2').should('contain', 'Hello');
+  });
+});

cypress/integration/other/webpackUsage.spec.js

@@ -1,16 +0,0 @@
-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

@@ -10,7 +10,6 @@ describe('XSS', () => {
     cy.wait(1000).then(() => {
       cy.get('.mermaid').should('exist');
     });
-    cy.get('svg');
   });
 
   it('should not allow tags in the css', () => {

cypress/integration/rendering/appli.spec.js

@@ -11,6 +11,27 @@ describe('Git Graph diagram', () => {
       {}
     );
   });
+  it('Should render subgraphs with title margins and edge labels', () => {
+    imgSnapshotTest(
+      `flowchart LR
+
+          subgraph TOP
+              direction TB
+              subgraph B1
+                  direction RL
+                  i1 --lb1-->f1
+              end
+              subgraph B2
+                  direction BT
+                  i2 --lb2-->f2
+              end
+          end
+          A --lb3--> TOP --lb4--> B
+          B1 --lb5--> B2
+        `,
+      { flowchart: { subGraphTitleMargin: { top: 10, bottom: 5 } } }
+    );
+  });
   // 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.

cypress/integration/rendering/architecture.spec.ts

@@ -0,0 +1,233 @@
+import { imgSnapshotTest, urlSnapshotTest } from '../../helpers/util.ts';
+
+describe.skip('architecture diagram', () => {
+  it('should render a simple architecture diagram with groups', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                group api(cloud)[API]
+
+                service db(database)[Database] in api
+                service disk1(disk)[Storage] in api
+                service disk2(disk)[Storage] in api
+                service server(server)[Server] in api
+                service gateway(internet)[Gateway] 
+
+                db L--R server
+                disk1 T--B server
+                disk2 T--B db
+                server T--B gateway
+            `
+    );
+  });
+  it('should render an architecture diagram with groups within groups', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                group api[API]
+                group public[Public API] in api
+                group private[Private API] in api
+        
+                service serv1(server)[Server] in public
+        
+                service serv2(server)[Server] in private
+                service db(database)[Database] in private
+        
+                service gateway(internet)[Gateway] in api
+        
+                serv1 B--T serv2
+                serv2 L--R db
+                serv1 L--R gateway
+            `
+    );
+  });
+  it('should render an architecture diagram with the fallback icon', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                service unknown(iconnamedoesntexist)[Unknown Icon]
+            `
+    );
+  });
+  it('should render an architecture diagram with split directioning', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                service db(database)[Database]
+                service s3(disk)[Storage]
+                service serv1(server)[Server 1]
+                service serv2(server)[Server 2]
+                service disk(disk)[Disk]
+        
+                db L--R s3
+                serv1 L--T s3
+                serv2 L--B s3
+                serv1 T--B disk
+            `
+    );
+  });
+  it('should render an architecture diagram with directional arrows', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                service servC(server)[Server 1]
+                service servL(server)[Server 2]
+                service servR(server)[Server 3]
+                service servT(server)[Server 4]
+                service servB(server)[Server 5]
+        
+                servC (L--R) servL
+                servC (R--L) servR
+                servC (T--B) servT
+                servC (B--T) servB
+        
+                servL (T--L) servT
+                servL (B--L) servB
+                servR (T--R) servT
+                servR (B--R) servB
+            `
+    );
+  });
+  it('should render an architecture diagram with group edges', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                group left_group(cloud)[Left]
+                group right_group(cloud)[Right]
+                group top_group(cloud)[Top]
+                group bottom_group(cloud)[Bottom]
+                group center_group(cloud)[Center]
+        
+                service left_disk(disk)[Disk] in left_group
+                service right_disk(disk)[Disk] in right_group
+                service top_disk(disk)[Disk] in top_group
+                service bottom_disk(disk)[Disk] in bottom_group
+                service center_disk(disk)[Disk] in center_group
+        
+                left_disk{group} (R--L) center_disk{group}
+                right_disk{group} (L--R) center_disk{group}
+                top_disk{group} (B--T) center_disk{group}
+                bottom_disk{group} (T--B) center_disk{group}
+            `
+    );
+  });
+  it('should render an architecture diagram with edge labels', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                service servC(server)[Server 1]
+                service servL(server)[Server 2]
+                service servR(server)[Server 3]
+                service servT(server)[Server 4]
+                service servB(server)[Server 5]
+        
+                servC L-[Label]-R servL
+                servC R-[Label]-L servR
+                servC T-[Label]-B servT
+                servC B-[Label]-T servB
+        
+                servL T-[Label]-L servT
+                servL B-[Label]-L servB
+                servR T-[Label]-R servT
+                servR B-[Label]-R servB
+            `
+    );
+  });
+  it('should render an architecture diagram with simple junction edges', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                service left_disk(disk)[Disk]
+                service top_disk(disk)[Disk]
+                service bottom_disk(disk)[Disk]
+                service top_gateway(internet)[Gateway]
+                service bottom_gateway(internet)[Gateway]
+                junction juncC
+                junction juncR
+        
+                left_disk R--L juncC
+                top_disk B--T juncC
+                bottom_disk T--B juncC
+                juncC R--L juncR
+                top_gateway B--T juncR
+                bottom_gateway T--B juncR
+            `
+    );
+  });
+  it('should render an architecture diagram with complex junction edges', () => {
+    imgSnapshotTest(
+      `architecture-beta
+                group left
+                group right
+                service left_disk(disk)[Disk] in left
+                service top_disk(disk)[Disk] in left
+                service bottom_disk(disk)[Disk] in left
+                service top_gateway(internet)[Gateway] in right
+                service bottom_gateway(internet)[Gateway] in right
+                junction juncC in left
+                junction juncR in right
+        
+                left_disk R--L juncC
+                top_disk B--T juncC
+                bottom_disk T--B juncC
+        
+        
+                top_gateway (B--T juncR
+                bottom_gateway (T--B juncR
+        
+                juncC{group} R--L) juncR{group}
+            `
+    );
+  });
+
+  it('should render an architecture diagram with a resonable height', () => {
+    imgSnapshotTest(
+      `architecture-beta
+              group federated(cloud)[Federated Environment]
+                  service server1(server)[System] in federated
+                  service edge(server)[Edge Device] in federated
+                  server1:R -- L:edge
+
+              group on_prem(cloud)[Hub]
+                  service firewall(server)[Firewall Device] in on_prem
+                  service server(server)[Server] in on_prem
+                  firewall:R -- L:server
+
+                  service db1(database)[db1] in on_prem
+                  service db2(database)[db2] in on_prem
+                  service db3(database)[db3] in on_prem
+                  service db4(database)[db4] in on_prem
+                  service db5(database)[db5] in on_prem
+                  service db6(database)[db6] in on_prem
+
+                  junction mid in on_prem
+                  server:B -- T:mid
+
+                  junction 1Leftofmid in on_prem
+                  1Leftofmid:R -- L:mid
+                  1Leftofmid:B -- T:db1
+
+                  junction 2Leftofmid in on_prem
+                  2Leftofmid:R -- L:1Leftofmid
+                  2Leftofmid:B -- T:db2
+
+                  junction 3Leftofmid in on_prem
+                  3Leftofmid:R -- L:2Leftofmid
+                  3Leftofmid:B -- T:db3
+
+                  junction 1RightOfMid in on_prem
+                  mid:R -- L:1RightOfMid
+                  1RightOfMid:B -- T:db4
+                  
+                  junction 2RightOfMid in on_prem
+                  1RightOfMid:R -- L:2RightOfMid
+                  2RightOfMid:B -- T:db5        
+                  
+                  junction 3RightOfMid in on_prem
+                  2RightOfMid:R -- L:3RightOfMid
+                  3RightOfMid:B -- T:db6         
+
+                  edge:R -- L:firewall
+      `
+    );
+  });
+});
+
+// Skipped as the layout is not deterministic, and causes issues in E2E tests.
+describe.skip('architecture - external', () => {
+  it('should allow adding external icons', () => {
+    urlSnapshotTest('http://localhost:9000/architecture-external.html');
+  });
+});

cypress/integration/rendering/block.spec.js

@@ -236,7 +236,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL16: width alignment - blocks shold be equal in width', () => {
+  it('BL17: width alignment - blocks shold be equal in width', () => {
     imgSnapshotTest(
       `block-beta
     A("This is the text")
@@ -247,7 +247,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL17: block types 1 - square, rounded and circle', () => {
+  it('BL18: block types 1 - square, rounded and circle', () => {
     imgSnapshotTest(
       `block-beta
     A["square"]
@@ -258,7 +258,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL18: block types 2 - odd, diamond and hexagon', () => {
+  it('BL19: block types 2 - odd, diamond and hexagon', () => {
     imgSnapshotTest(
       `block-beta
     A>"rect_left_inv_arrow"]
@@ -269,7 +269,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL19: block types 3 - stadium', () => {
+  it('BL20: block types 3 - stadium', () => {
     imgSnapshotTest(
       `block-beta
     A(["stadium"])
@@ -278,7 +278,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL20: block types 4 - lean right, lean left, trapezoid and inv trapezoid', () => {
+  it('BL21: block types 4 - lean right, lean left, trapezoid and inv trapezoid', () => {
     imgSnapshotTest(
       `block-beta
     A[/"lean right"/]
@@ -290,7 +290,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL21: block types 1 - square, rounded and circle', () => {
+  it('BL22: block types 1 - square, rounded and circle', () => {
     imgSnapshotTest(
       `block-beta
     A["square"]
@@ -301,7 +301,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL22: sizing - it should be possible to make a block wider', () => {
+  it('BL23: sizing - it should be possible to make a block wider', () => {
     imgSnapshotTest(
       `block-beta
       A("rounded"):2
@@ -312,7 +312,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL23: sizing - it should be possible to make a composite block wider', () => {
+  it('BL24: sizing - it should be possible to make a composite block wider', () => {
     imgSnapshotTest(
       `block-beta
       block:2
@@ -324,7 +324,7 @@ describe('Block diagram', () => {
     );
   });
 
-  it('BL24: block in the middle with space on each side', () => {
+  it('BL25: block in the middle with space on each side', () => {
     imgSnapshotTest(
       `block-beta
         columns 3
@@ -335,7 +335,7 @@ describe('Block diagram', () => {
       {}
     );
   });
-  it('BL25: space and an edge', () => {
+  it('BL26: space and an edge', () => {
     imgSnapshotTest(
       `block-beta
   columns 5
@@ -345,7 +345,7 @@ describe('Block diagram', () => {
       {}
     );
   });
-  it('BL26: block sizes for regular blocks', () => {
+  it('BL27: block sizes for regular blocks', () => {
     imgSnapshotTest(
       `block-beta
   columns 3
@@ -354,7 +354,7 @@ describe('Block diagram', () => {
       {}
     );
   });
-  it('BL27: composite block with a set width - f should use the available space', () => {
+  it('BL28: composite block with a set width - f should use the available space', () => {
     imgSnapshotTest(
       `block-beta
   columns 3
@@ -363,11 +363,12 @@ describe('Block diagram', () => {
       f
   end
   g
-      `,
+  `,
       {}
     );
   });
-  it('BL23: composite block with a set width - f and g should split the available space', () => {
+
+  it('BL29: composite block with a set width - f and g should split the available space', () => {
     imgSnapshotTest(
       `block-beta
   columns 3
@@ -379,7 +380,7 @@ describe('Block diagram', () => {
   h
   i
   j
-      `,
+  `,
       {}
     );
   });

cypress/integration/rendering/c4.spec.js

@@ -1,7 +1,7 @@
 import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
 
 describe('C4 diagram', () => {
-  it('should render a simple C4Context diagram', () => {
+  it('C4.1 should render a simple C4Context diagram', () => {
     imgSnapshotTest(
       `
       C4Context
@@ -30,9 +30,8 @@ describe('C4 diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
-  it('should render a simple C4Container diagram', () => {
+  it('C4.2 should render a simple C4Container diagram', () => {
     imgSnapshotTest(
       `
       C4Container
@@ -50,9 +49,8 @@ describe('C4 diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
-  it('should render a simple C4Component diagram', () => {
+  it('C4.3 should render a simple C4Component diagram', () => {
     imgSnapshotTest(
       `
       C4Component
@@ -69,9 +67,8 @@ describe('C4 diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
-  it('should render a simple C4Dynamic diagram', () => {
+  it('C4.4 should render a simple C4Dynamic diagram', () => {
     imgSnapshotTest(
       `
       C4Dynamic
@@ -93,9 +90,8 @@ describe('C4 diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
-  it('should render a simple C4Deployment diagram', () => {
+  it('C4.5 should render a simple C4Deployment diagram', () => {
     imgSnapshotTest(
       `
       C4Deployment
@@ -117,6 +113,5 @@ describe('C4 diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 });

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

@@ -76,7 +76,7 @@ describe('Class diagram V2', () => {
     );
   });
 
-  it('should render a simple class diagram with different visibilities', () => {
+  it('2.1 should render a simple class diagram with different visibilities', () => {
     imgSnapshotTest(
       `
     classDiagram-v2
@@ -93,7 +93,7 @@ describe('Class diagram V2', () => {
     );
   });
 
-  it('should render multiple class diagrams', () => {
+  it('3: should render multiple class diagrams', () => {
     imgSnapshotTest(
       [
         `
@@ -581,4 +581,63 @@ class C13["With Città foreign language"]
       { logLevel: 1, flowchart: { htmlLabels: false } }
     );
   });
+
+  it('renders a class diagram with a generic class in a namespace', () => {
+    const diagramDefinition = `
+      classDiagram-v2
+      namespace Company.Project.Module {
+        class GenericClass~T~ {
+          +addItem(item: T)
+          +getItem() T
+        }
+      }
+    `;
+
+    imgSnapshotTest(diagramDefinition);
+  });
+
+  it('renders a class diagram with nested namespaces and relationships', () => {
+    const diagramDefinition = `
+      classDiagram-v2
+      namespace Company.Project.Module.SubModule {
+        class Report {
+          +generatePDF(data: List)
+          +generateCSV(data: List)
+        }
+      }
+      namespace Company.Project.Module {
+        class Admin {
+          +generateReport()
+        }
+      }
+      Admin --> Report : generates
+    `;
+
+    imgSnapshotTest(diagramDefinition);
+  });
+
+  it('renders a class diagram with multiple classes and relationships in a namespace', () => {
+    const diagramDefinition = `
+      classDiagram-v2
+      namespace Company.Project.Module {
+        class User {
+          +login(username: String, password: String)
+          +logout()
+        }
+        class Admin {
+          +addUser(user: User)
+          +removeUser(user: User)
+          +generateReport()
+        }
+        class Report {
+          +generatePDF(reportData: List)
+          +generateCSV(reportData: List)
+        }
+      }
+      Admin --> User : manages
+      Admin --> Report : generates
+    `;
+
+    imgSnapshotTest(diagramDefinition);
+  });
 });

cypress/integration/rendering/classDiagram.spec.js

@@ -32,7 +32,6 @@ describe('Class diagram', () => {
       `,
       { logLevel: 1 }
     );
-    cy.get('svg');
   });
 
   it('2: should render a simple class diagrams with cardinality', () => {
@@ -61,7 +60,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('3: should render a simple class diagram with different visibilities', () => {
@@ -79,7 +77,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('4: should render a simple class diagram with comments', () => {
@@ -109,7 +106,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('5: should render a simple class diagram with abstract method', () => {
@@ -121,7 +117,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('6: should render a simple class diagram with static method', () => {
@@ -133,7 +128,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('7: should render a simple class diagram with Generic class', () => {
@@ -153,7 +147,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('8: should render a simple class diagram with Generic class and relations', () => {
@@ -174,7 +167,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('9: should render a simple class diagram with clickable link', () => {
@@ -196,7 +188,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('10: should render a simple class diagram with clickable callback', () => {
@@ -218,7 +209,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('11: should render a simple class diagram with return type on method', () => {
@@ -233,7 +223,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('12: should render a simple class diagram with generic types', () => {
@@ -249,7 +238,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('13: should render a simple class diagram with css classes applied', () => {
@@ -267,7 +255,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('14: should render a simple class diagram with css classes applied directly', () => {
@@ -283,7 +270,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('15: should render a simple class diagram with css classes applied to multiple classes', () => {
@@ -298,7 +284,6 @@ describe('Class diagram', () => {
       `,
       {}
     );
-    cy.get('svg');
   });
 
   it('16: should render multiple class diagrams', () => {
@@ -351,7 +336,6 @@ describe('Class diagram', () => {
       ],
       {}
     );
-    cy.get('svg');
   });
 
   // it('17: should render a class diagram when useMaxWidth is true (default)', () => {
@@ -421,7 +405,6 @@ describe('Class diagram', () => {
       `,
       { logLevel: 1 }
     );
-    cy.get('svg');
   });
 
   it('should render class diagram with newlines in title', () => {
@@ -439,7 +422,6 @@ describe('Class diagram', () => {
           +quack()
         }
       `);
-    cy.get('svg');
   });
 
   it('should render class diagram with many newlines in title', () => {

cypress/integration/rendering/erDiagram-unified.spec.js

@@ -0,0 +1,652 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
+
+const testOptions = [
+  { description: '', options: { logLevel: 1 } },
+  { description: 'ELK: ', options: { logLevel: 1, layout: 'elk' } },
+  { description: 'HD: ', options: { logLevel: 1, look: 'handDrawn' } },
+];
+
+describe('Entity Relationship Diagram Unified', () => {
+  testOptions.forEach(({ description, options }) => {
+    it(`${description}should render a simple ER diagram`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          CUSTOMER ||--o{ ORDER : places
+          ORDER ||--|{ LINE-ITEM : contains
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render a simple ER diagram without htmlLabels`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          CUSTOMER ||--o{ ORDER : places
+          ORDER ||--|{ LINE-ITEM : contains
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}should render an ER diagram with a recursive relationship`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          CUSTOMER ||..o{ CUSTOMER : refers
+          CUSTOMER ||--o{ ORDER : places
+          ORDER ||--|{ LINE-ITEM : contains
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render an ER diagram with multiple relationships between the same two entities`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          CUSTOMER ||--|{ ADDRESS : "invoiced at"
+          CUSTOMER ||--|{ ADDRESS : "receives goods at"
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render a cyclical ER diagram`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          A ||--|{ B : likes
+          B ||--|{ C : likes
+          C ||--|{ A : likes
+        `,
+        options
+      );
+    });
+
+    it(`${description}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"
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render a not-so-simple ER diagram without htmlLabels`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          CUSTOMER }|..|{ DELIVERY-ADDRESS : has
+          CUSTOMER ||--o{ ORDER : places
+          CUSTOMER ||--o{ INVOICE : "liable for"
+          DELIVERY-ADDRESS ||--o{ ORDER : receives
+          INVOICE ||--|{ ORDER : covers
+          ORDER ||--|{ ORDER-ITEM : includes
+          PRODUCT-CATEGORY ||--|{ PRODUCT : contains
+          PRODUCT ||--o{ ORDER-ITEM : "ordered in"
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}should render multiple ER diagrams`, () => {
+      imgSnapshotTest(
+        [
+          `
+      erDiagram
+          CUSTOMER ||--o{ ORDER : places
+          ORDER ||--|{ LINE-ITEM : contains
+        `,
+          `
+      erDiagram
+          CUSTOMER ||--o{ ORDER : places
+          ORDER ||--|{ LINE-ITEM : contains
+        `,
+        ],
+        options
+      );
+    });
+
+    it(`${description}should render an ER diagram with blank or empty labels`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          BOOK }|..|{ AUTHOR : ""
+          BOOK }|..|{ GENRE : " "
+          AUTHOR }|..|{ GENRE : "  "
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities that have no relationships`, () => {
+      renderGraph(
+        `
+      erDiagram
+          DEAD_PARROT
+          HERMIT
+          RECLUSE
+          SOCIALITE }o--o{ SOCIALITE : "interacts with"
+          RECLUSE }o--o{ SOCIALITE : avoids
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with and without attributes`, () => {
+      renderGraph(
+        `
+      erDiagram
+          BOOK { string title }
+          AUTHOR }|..|{ BOOK : writes
+          BOOK { float price }
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with generic and array attributes`, () => {
+      renderGraph(
+        `
+      erDiagram
+          BOOK {
+            string title
+            string[] authors
+            type~T~ type
+          }
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with generic and array attributes without htmlLabels`, () => {
+      renderGraph(
+        `
+      erDiagram
+          BOOK {
+            string title
+            string[] authors
+            type~T~ type
+          }
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}should render entities with length in attributes type`, () => {
+      renderGraph(
+        `
+      erDiagram
+          CLUSTER {
+            varchar(99) name
+            string(255) description
+          }
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with length in attributes type without htmlLabels`, () => {
+      renderGraph(
+        `
+      erDiagram
+          CLUSTER {
+            varchar(99) name
+            string(255) description
+          }
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}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 }
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities and attributes with big and small entity names without htmlLabels`, () => {
+      renderGraph(
+        `
+      erDiagram
+          PRIVATE_FINANCIAL_INSTITUTION {
+            string name
+            int    turnover
+          }
+          PRIVATE_FINANCIAL_INSTITUTION ||..|{ EMPLOYEE : employs
+          EMPLOYEE { bool officer_of_firm }
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}should render entities with attributes that begin with asterisk`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          BOOK {
+            int         *id
+            string      name
+            varchar(99) summary
+          }
+          BOOK }o..o{ STORE : soldBy
+          STORE {
+            int         *id
+            string      name
+            varchar(50) address
+          }
+          `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with attributes that begin with asterisk without htmlLabels`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          BOOK {
+            int         *id
+            string      name
+            varchar(99) summary
+          }
+          BOOK }o..o{ STORE : soldBy
+          STORE {
+            int         *id
+            string      name
+            varchar(50) address
+          }
+          `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}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
+          }
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with keys without htmlLabels`, () => {
+      renderGraph(
+        `
+      erDiagram
+        AUTHOR_WITH_LONG_ENTITY_NAME {
+          string name PK
+        }
+        AUTHOR_WITH_LONG_ENTITY_NAME }|..|{ BOOK : writes
+        BOOK {
+            float price
+            string author FK
+            string title PK
+          }
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}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"
+          }
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with comments without htmlLabels`, () => {
+      renderGraph(
+        `
+      erDiagram
+        AUTHOR_WITH_LONG_ENTITY_NAME {
+          string name "comment"
+        }
+        AUTHOR_WITH_LONG_ENTITY_NAME }|..|{ BOOK : writes
+        BOOK {
+            string author
+            string title "author comment"
+            float price "price comment"
+          }
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}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
+          }
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with keys and comments without htmlLabels`, () => {
+      renderGraph(
+        `
+      erDiagram
+        AUTHOR_WITH_LONG_ENTITY_NAME {
+          string name PK "comment"
+        }
+        AUTHOR_WITH_LONG_ENTITY_NAME }|..|{ BOOK : writes
+        BOOK {
+            string description
+            float price "price comment"
+            string title PK "title comment"
+            string author FK
+          }
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}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
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render a simple ER diagram with a title`, () => {
+      imgSnapshotTest(
+        `---
+  title: simple ER diagram
+  ---
+  erDiagram
+  CUSTOMER ||--o{ ORDER : places
+  ORDER ||--|{ LINE-ITEM : contains
+  `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with entity name aliases`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+        p[Person] {
+          varchar(64) firstName
+          varchar(64) lastName
+        }
+        c["Customer Account"] {
+          varchar(128) email
+        }
+        p ||--o| c : has
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render relationship labels with line breaks`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+        p[Person] {
+            string firstName
+            string lastName
+        }
+        a["Customer Account"] {
+            string email
+        }
+  
+        b["Customer Account Secondary"] {
+          string email
+        }
+        
+        c["Customer Account Tertiary"] {
+          string email
+        }
+        
+        d["Customer Account Nth"] {
+          string email
+        }
+  
+        p ||--o| a : "has<br />one"
+        p ||--o| b : "has<br />one<br />two"
+        p ||--o| c : "has<br />one<br/>two<br />three"
+        p ||--o| d : "has<br />one<br />two<br/>three<br />...<br/>Nth"
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render an ER diagram with unicode text`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          _**testẽζ➕Ø😀㌕ぼ**_ {
+              *__List~List~int~~sdfds__* **driversLicense** PK "***The l😀icense #***"
+              *string(99)~T~~~~~~* firstName "Only __99__ <br>characters are a<br>llowed dsfsdfsdfsdfs"
+              string last*Name*
+              string __phone__ UK
+              int _age_
+          }
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render an ER diagram with unicode text without htmlLabels`, () => {
+      imgSnapshotTest(
+        `
+      erDiagram
+          _**testẽζ➕Ø😀㌕ぼ**_ {
+              *__List~List~int~~sdfds__* **driversLicense** PK "***The l😀icense #***"
+              *string(99)~T~~~~~~* firstName "Only __99__ <br>characters are a<br>llowed dsfsdfsdfsdfs"
+              string last*Name*
+              string __phone__ UK
+              int _age_
+          }
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}should render an ER diagram with relationships with unicode text`, () => {
+      imgSnapshotTest(
+        `
+          erDiagram
+            person[😀] {
+                string *first*Name
+                string _**last**Name_
+            }
+            a["*Customer Account*"] {
+                **string** ema*i*l
+            }
+            person ||--o| a : __hẽ😀__
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render an ER diagram with relationships with unicode text without htmlLabels`, () => {
+      imgSnapshotTest(
+        `
+          erDiagram
+            person[😀] {
+                string *first*Name
+                string _**last**Name_
+            }
+            a["*Customer Account*"] {
+                **string** ema*i*l
+            }
+            person ||--o| a : __hẽ😀__
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}should render an ER diagram with TB direction`, () => {
+      imgSnapshotTest(
+        `
+          erDiagram
+          direction TB
+          CAR ||--|{ NAMED-DRIVER : allows
+          PERSON ||..o{ NAMED-DRIVER : is
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render an ER diagram with BT direction`, () => {
+      imgSnapshotTest(
+        `
+          erDiagram
+          direction BT
+          CAR ||--|{ NAMED-DRIVER : allows
+          PERSON ||..o{ NAMED-DRIVER : is
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render an ER diagram with LR direction`, () => {
+      imgSnapshotTest(
+        `
+          erDiagram
+          direction LR
+          CAR ||--|{ NAMED-DRIVER : allows
+          PERSON ||..o{ NAMED-DRIVER : is
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render an ER diagram with RL direction`, () => {
+      imgSnapshotTest(
+        `
+          erDiagram
+          direction RL
+          CAR ||--|{ NAMED-DRIVER : allows
+          PERSON ||..o{ NAMED-DRIVER : is
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with styles applied from style statement`, () => {
+      imgSnapshotTest(
+        `
+            erDiagram
+              c[CUSTOMER]
+              p[PERSON]
+              style c,p fill:#f9f,stroke:blue, color:grey, font-size:24px,font-weight:bold
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with styles applied from style statement without htmlLabels`, () => {
+      imgSnapshotTest(
+        `
+            erDiagram
+              c[CUSTOMER]
+              p[PERSON]
+              style c,p fill:#f9f,stroke:blue, color:grey, font-size:24px,font-weight:bold
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}should render entities with styles applied from class statement`, () => {
+      imgSnapshotTest(
+        `
+            erDiagram
+              c[CUSTOMER]
+              p[PERSON]:::blue
+              classDef bold font-size:24px, font-weight: bold
+              classDef blue stroke:lightblue, color: #0000FF
+              class c,p bold
+        `,
+        options
+      );
+    });
+
+    it(`${description}should render entities with styles applied from class statement without htmlLabels`, () => {
+      imgSnapshotTest(
+        `
+            erDiagram
+              c[CUSTOMER]
+              p[PERSON]:::blue
+              classDef bold font-size:24px, font-weight: bold
+              classDef blue stroke:lightblue, color: #0000FF
+              class c,p bold
+        `,
+        { ...options, htmlLabels: false }
+      );
+    });
+
+    it(`${description}should render entities with styles applied from the default class and other styles`, () => {
+      imgSnapshotTest(
+        `
+            erDiagram
+              c[CUSTOMER]
+              p[PERSON]:::blue
+              classDef blue stroke:lightblue, color: #0000FF
+              classDef default fill:pink
+              style c color:green
+        `,
+        { ...options }
+      );
+    });
+  });
+});

cypress/integration/rendering/erDiagram.spec.js

@@ -109,8 +109,8 @@ describe('Entity Relationship Diagram', () => {
       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);
+      // use within because the absolute value can be slightly different depending on the environment ±6%
+      expect(maxWidthValue).to.be.within(140 * 0.96, 140 * 1.06);
     });
   });
 
@@ -125,8 +125,8 @@ describe('Entity Relationship Diagram', () => {
     );
     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);
+      // use within because the absolute value can be slightly different depending on the environment ±6%
+      expect(width).to.be.within(140 * 0.96, 140 * 1.06);
       // expect(svg).to.have.attr('height', '465');
       expect(svg).to.not.have.attr('style');
     });
@@ -218,7 +218,6 @@ describe('Entity Relationship Diagram', () => {
         `,
       { loglevel: 1 }
     );
-    cy.get('svg');
   });
 
   it('should render entities with keys', () => {
@@ -322,4 +321,37 @@ ORDER ||--|{ LINE-ITEM : contains
       { logLevel: 1 }
     );
   });
+
+  it('should render relationship labels with line breaks', () => {
+    imgSnapshotTest(
+      `
+    erDiagram
+      p[Person] {
+          string firstName
+          string lastName
+      }
+      a["Customer Account"] {
+          string email
+      }
+
+      b["Customer Account Secondary"] {
+        string email
+      }
+      
+      c["Customer Account Tertiary"] {
+        string email
+      }
+      
+      d["Customer Account Nth"] {
+        string email
+      }
+
+      p ||--o| a : "has<br />one"
+      p ||--o| b : "has<br />one<br />two"
+      p ||--o| c : "has<br />one<br/>two<br />three"
+      p ||--o| d : "has<br />one<br />two<br/>three<br />...<br/>Nth"
+      `,
+      { logLevel: 1 }
+    );
+  });
 });

cypress/integration/rendering/errorDiagram.spec.js

@@ -3,7 +3,7 @@ import { imgSnapshotTest } from '../../helpers/util';
 describe('Error Diagrams', () => {
   beforeEach(() => {
     cy.on('uncaught:exception', (err) => {
-      expect(err.message).to.include('Parse error');
+      expect(err.message).to.include('error');
       // return false to prevent the error from
       // failing this test
       return false;

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

@@ -1,6 +1,6 @@
-import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
+import { imgSnapshotTest, renderGraph, verifyNumber } from '../../helpers/util.ts';
 
-describe.skip('Flowchart ELK', () => {
+describe('Flowchart ELK', () => {
   it('1-elk: should render a simple flowchart', () => {
     imgSnapshotTest(
       `flowchart-elk TD
@@ -109,7 +109,7 @@ describe.skip('Flowchart ELK', () => {
       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);
+      verifyNumber(maxWidthValue, 380);
     });
   });
   it('8-elk: should render a flowchart when useMaxWidth is false', () => {
@@ -128,7 +128,7 @@ describe.skip('Flowchart ELK', () => {
       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);
+      verifyNumber(width, 380);
       expect(svg).to.not.have.attr('style');
     });
   });
@@ -692,7 +692,7 @@ A --> B
       {}
     );
     cy.get('svg').should((svg) => {
-      const edges = svg.querySelectorAll('.edges > path');
+      const edges = svg[0].querySelectorAll('.edges > path');
       edges.forEach((edge) => {
         expect(edge).to.have.class('flowchart-link');
       });
@@ -739,7 +739,7 @@ NL\`") --"\`1o **bold**\`"--> c
           { flowchart: { titleTopMargin: 0 } }
         );
       });
-      it('Wrapping long text with a new line', () => {
+      it.skip('Wrapping long text with a new line', () => {
         imgSnapshotTest(
           `%%{init: {"flowchart": {"htmlLabels": true}} }%%
 flowchart-elk LR
@@ -837,6 +837,216 @@ subgraph "\`**Two**\`"
   in the hat\`") -- "\`1o **ipa**\`" --> d("The dog in the hog")
 end
 
+`,
+          { flowchart: { titleTopMargin: 0 } }
+        );
+      });
+      it('Sub graphs', () => {
+        imgSnapshotTest(
+          `---
+config:
+  layout: elk
+---
+
+flowchart LR
+ subgraph subgraph_ko6czgs5u["Untitled subgraph"]
+        D["Option 1"]
+  end
+    C{"Evaluate"} -- One --> D
+    C -- Two --> E(("Option 2"))
+    D --> E
+      A["A"]
+
+`,
+          { flowchart: { titleTopMargin: 0 } }
+        );
+      });
+      it('6080: should handle diamond shape intersections', () => {
+        imgSnapshotTest(
+          `---
+config:
+  layout: elk
+---
+flowchart LR
+ subgraph s1["Untitled subgraph"]
+        n1["Evaluate"]
+        n2["Option 1"]
+        n3["Option 2"]
+        n4["fa:fa-car Option 3"]
+  end
+ subgraph s2["Untitled subgraph"]
+        n5["Evaluate"]
+        n6["Option 1"]
+        n7["Option 2"]
+        n8["fa:fa-car Option 3"]
+  end
+    A["Start"] -- Some text --> B("Continue")
+    B --> C{"Evaluate"}
+    C -- One --> D["Option 1"]
+    C -- Two --> E["Option 2"]
+    C -- Three --> F["fa:fa-car Option 3"]
+    n1 -- One --> n2
+    n1 -- Two --> n3
+    n1 -- Three --> n4
+    n5 -- One --> n6
+    n5 -- Two --> n7
+    n5 -- Three --> n8
+    n1@{ shape: diam}
+    n2@{ shape: rect}
+    n3@{ shape: rect}
+    n4@{ shape: rect}
+    n5@{ shape: diam}
+    n6@{ shape: rect}
+    n7@{ shape: rect}
+    n8@{ shape: rect}
+
+`,
+          { flowchart: { titleTopMargin: 0 } }
+        );
+      });
+
+      it('6088-1: should handle diamond shape intersections', () => {
+        imgSnapshotTest(
+          `---
+config:
+  layout: elk
+---
+      flowchart LR
+      subgraph S2
+      subgraph s1["APA"]
+      D{"Use the editor"}
+      end
+
+
+      D -- Mermaid js --> I{"fa:fa-code Text"}
+            D --> I
+            D --> I
+
+      end
+`,
+          { flowchart: { titleTopMargin: 0 } }
+        );
+      });
+
+      it('6088-2: should handle diamond shape intersections', () => {
+        imgSnapshotTest(
+          `---
+config:
+  layout: elk
+---
+      flowchart LR
+      a
+      subgraph s0["APA"]
+      subgraph s8["APA"]
+      subgraph s1["APA"]
+        D{"X"}
+        E[Q]
+      end
+      subgraph s3["BAPA"]
+        F[Q]
+        I
+      end
+            D --> I
+            D --> I
+            D --> I
+
+      I{"X"}
+      end
+      end
+
+`,
+          { flowchart: { titleTopMargin: 0 } }
+        );
+      });
+
+      it('6088-3: should handle diamond shape intersections', () => {
+        imgSnapshotTest(
+          `---
+config:
+  layout: elk
+---
+      flowchart LR
+      a
+        D{"Use the editor"}
+
+      D -- Mermaid js --> I{"fa:fa-code Text"}
+      D-->I
+      D-->I
+
+`,
+          { flowchart: { titleTopMargin: 0 } }
+        );
+      });
+
+      it('6088-4: should handle diamond shape intersections', () => {
+        imgSnapshotTest(
+          `---
+config:
+  layout: elk
+---
+flowchart LR
+ subgraph s1["Untitled subgraph"]
+        n1["Evaluate"]
+        n2["Option 1"]
+        n3["Option 2"]
+        n4["fa:fa-car Option 3"]
+  end
+ subgraph s2["Untitled subgraph"]
+        n5["Evaluate"]
+        n6["Option 1"]
+        n7["Option 2"]
+        n8["fa:fa-car Option 3"]
+  end
+    A["Start"] -- Some text --> B("Continue")
+    B --> C{"Evaluate"}
+    C -- One --> D["Option 1"]
+    C -- Two --> E["Option 2"]
+    C -- Three --> F["fa:fa-car Option 3"]
+    n1 -- One --> n2
+    n1 -- Two --> n3
+    n1 -- Three --> n4
+    n5 -- One --> n6
+    n5 -- Two --> n7
+    n5 -- Three --> n8
+    n1@{ shape: diam}
+    n2@{ shape: rect}
+    n3@{ shape: rect}
+    n4@{ shape: rect}
+    n5@{ shape: diam}
+    n6@{ shape: rect}
+    n7@{ shape: rect}
+    n8@{ shape: rect}
+
+`,
+          { flowchart: { titleTopMargin: 0 } }
+        );
+      });
+
+      it('6088-5: should handle diamond shape intersections', () => {
+        imgSnapshotTest(
+          `---
+config:
+  layout: elk
+---
+flowchart LR
+    A{A} --> B & C
+
+`,
+          { flowchart: { titleTopMargin: 0 } }
+        );
+      });
+      it('6088-6: should handle diamond shape intersections', () => {
+        imgSnapshotTest(
+          `---
+config:
+  layout: elk
+---
+flowchart LR
+    A{A} --> B & C
+    subgraph "subbe"
+      A
+    end
+
 `,
           { flowchart: { titleTopMargin: 0 } }
         );
@@ -844,3 +1054,41 @@ end
     });
   });
 });
+
+describe('Title and arrow styling #4813', () => {
+  it('should render a flowchart with title', () => {
+    const titleString = 'Test Title';
+    renderGraph(
+      `---
+      title: ${titleString}
+      ---
+      flowchart LR
+      A-->B
+      A-->C`,
+      { layout: 'elk' }
+    );
+    cy.get('svg').should((svg) => {
+      const title = svg[0].querySelector('text');
+      expect(title.textContent).to.contain(titleString);
+    });
+  });
+
+  it('Render with stylized arrows', () => {
+    renderGraph(
+      `
+      flowchart LR
+      A-->B
+      B-.-oC
+      C==xD
+      D ~~~ A`,
+      { layout: 'elk' }
+    );
+    cy.get('svg').should((svg) => {
+      const edges = svg[0].querySelectorAll('.edges path');
+      expect(edges[0].getAttribute('class')).to.contain('edge-pattern-solid');
+      expect(edges[1].getAttribute('class')).to.contain('edge-pattern-dotted');
+      expect(edges[2].getAttribute('class')).to.contain('edge-thickness-thick');
+      expect(edges[3].getAttribute('class')).to.contain('edge-thickness-invisible');
+    });
+  });
+});