Merge branch 'develop' into pr/aloisklink/4112

* develop:
  test: test partial QuadrantChartConfig options
  test: fix types in `config.spec.ts`
  style: fix lint issues in src/config.spec.ts
  test: rename src/config.spec.js to config.spec.ts
  fix lint
  update homepage community link
  docs(flowchart): add documentation on multiple nodes style
  Add docker-specific command, leave commonly used command intact
  Support docs:dev in docker
  Fix lint.
  Update docs
  add ChatGPT plugin blog post
  Fix flowchart tooltip typing

docs/news/announcements.md

@@ -6,8 +6,8 @@
 
 # Announcements
 
-## [Sequence diagrams, the only good thing UML brought to software development](https://www.mermaidchart.com/blog/posts/sequence-diagrams-the-good-thing-uml-brought-to-software-development/)
+## [Mermaid Chart’s ChatGPT Plugin Combines Generative AI and Smart Diagramming For Users](https://www.mermaidchart.com/blog/posts/mermaid-chart-chatgpt-plugin-combines-generative-ai-and-smart-diagramming)
 
-15 June 2023 · 12 mins
+29 June 2023 · 4 mins
 
-Sequence diagrams really shine when you’re documenting different parts of a system and the various ways these parts interact with each other.
+Mermaid Chart’s new ChatGPT plugin integrates AI-powered text prompts with Mermaid’s intuitive diagramming editor, enabling users to generate, edit, and share complex diagrams with ease and efficiency.

docs/news/blog.md

@@ -6,6 +6,12 @@
 
 # Blog
 
+## [Mermaid Chart’s ChatGPT Plugin Combines Generative AI and Smart Diagramming For Users](https://www.mermaidchart.com/blog/posts/mermaid-chart-chatgpt-plugin-combines-generative-ai-and-smart-diagramming)
+
+29 June 2023 · 4 mins
+
+Mermaid Chart’s new ChatGPT plugin integrates AI-powered text prompts with Mermaid’s intuitive diagramming editor, enabling users to generate, edit, and share complex diagrams with ease and efficiency.
+
 ## [Sequence diagrams, the only good thing UML brought to software development](https://www.mermaidchart.com/blog/posts/sequence-diagrams-the-good-thing-uml-brought-to-software-development/)
 
 15 June 2023 · 12 mins

docs/syntax/flowchart.md

@@ -991,6 +991,24 @@ flowchart LR
     classDef someclass fill:#f96
 ```
 
+This form can be used when declaring multiple links between nodes:
+
+```mermaid-example
+flowchart LR
+    A:::foo & B:::bar --> C:::foobar
+    classDef foo stroke:#f00
+    classDef bar stroke:#0f0
+    classDef foobar stroke:#00f
+```
+
+```mermaid
+flowchart LR
+    A:::foo & B:::bar --> C:::foobar
+    classDef foo stroke:#f00
+    classDef bar stroke:#0f0
+    classDef foobar stroke:#00f
+```
+
 ### Css classes
 
 It is also possible to predefine classes in css styles that can be applied from the graph definition as in the example

packages/mermaid/package.json

@@ -30,6 +30,7 @@
     "docs:pre:vitepress": "rimraf src/vitepress && pnpm docs:code && ts-node-esm src/docs.mts --vitepress && pnpm --filter ./src/vitepress install --no-frozen-lockfile --ignore-scripts ",
     "docs:build:vitepress": "pnpm docs:pre:vitepress && (cd src/vitepress && pnpm run build) && cpy --flat src/docs/landing/ ./src/vitepress/.vitepress/dist/landing",
     "docs:dev": "pnpm docs:pre:vitepress && concurrently \"pnpm --filter ./src/vitepress dev\" \"ts-node-esm src/docs.mts --watch --vitepress\"",
+    "docs:dev:docker": "pnpm docs:pre:vitepress && concurrently \"pnpm --filter ./src/vitepress dev:docker\" \"ts-node-esm src/docs.mts --watch --vitepress\"",
     "docs:serve": "pnpm docs:build:vitepress && vitepress serve src/vitepress",
     "docs:spellcheck": "cspell --config ../../cSpell.json \"src/docs/**/*.md\"",
     "types:build-config": "ts-node-esm --transpileOnly scripts/create-types-from-json-schema.mts",

packages/mermaid/src/config.spec.js

@@ -1,93 +0,0 @@
-import isObject from 'lodash-es/isObject.js';
-import * as configApi from './config.js';
-
-describe('when working with site config', function () {
-  beforeEach(() => {
-    // Resets the site config to default config
-    configApi.setSiteConfig({});
-  });
-  it('should set site config and config properly', function () {
-    let config_0 = { foo: 'bar', bar: 0 };
-    configApi.setSiteConfig(config_0);
-    let config_1 = configApi.getSiteConfig();
-    let config_2 = configApi.getConfig();
-    expect(config_1.foo).toEqual(config_0.foo);
-    expect(config_1.bar).toEqual(config_0.bar);
-    expect(config_1).toEqual(config_2);
-  });
-  it('should respect secure keys when applying directives', function () {
-    let config_0 = {
-      foo: 'bar',
-      bar: 'cant-be-changed',
-      secure: [...configApi.defaultConfig.secure, 'bar'],
-    };
-    configApi.setSiteConfig(config_0);
-    const directive = { foo: 'baf', bar: 'should-not-be-allowed' };
-    const cfg = configApi.updateCurrentConfig(config_0, [directive]);
-    expect(cfg.foo).toEqual(directive.foo);
-    expect(cfg.bar).toBe(config_0.bar);
-  });
-  it('should set reset config properly', function () {
-    let config_0 = { foo: 'bar', bar: 0 };
-    configApi.setSiteConfig(config_0);
-    let config_1 = { foo: 'baf' };
-    configApi.setConfig(config_1);
-    let config_2 = configApi.getConfig();
-    expect(config_2.foo).toEqual(config_1.foo);
-    configApi.reset();
-    let config_3 = configApi.getConfig();
-    expect(config_3.foo).toEqual(config_0.foo);
-    let config_4 = configApi.getSiteConfig();
-    expect(config_4.foo).toEqual(config_0.foo);
-  });
-  it('should set global reset config properly', function () {
-    let config_0 = { foo: 'bar', bar: 0 };
-    configApi.setSiteConfig(config_0);
-    let config_1 = configApi.getSiteConfig();
-    expect(config_1.foo).toEqual(config_0.foo);
-    let config_2 = configApi.getConfig();
-    expect(config_2.foo).toEqual(config_0.foo);
-    configApi.setConfig({ foobar: 'bar0' });
-    let config_3 = configApi.getConfig();
-    expect(config_3.foobar).toEqual('bar0');
-    configApi.reset();
-    let config_4 = configApi.getConfig();
-    expect(config_4.foobar).toBeUndefined();
-  });
-
-  it('test new default config', async function () {
-    const { default: oldDefault } = await import('./oldDefaultConfig.js');
-    // gitGraph used to not have this option (aka it was `undefined`)
-    oldDefault.gitGraph.useMaxWidth = false;
-
-    // class diagrams used to not have these options set (aka they were `undefined`)
-    oldDefault.class.htmlLabels = false;
-
-    const { default: newDefault } = await import('./defaultConfig.js');
-
-    // check subsets of the objects, to improve vitest error messages
-    // we can't just use `expect(newDefault).to.deep.equal(oldDefault);`
-    // because the functions in the config won't be the same
-    expect(new Set(Object.keys(newDefault))).to.deep.equal(new Set(Object.keys(oldDefault)));
-
-    for (const key in newDefault) {
-      // recurse through object, since we want to treat functions differently
-      if (!Array.isArray(newDefault[key]) && isObject(newDefault[key])) {
-        expect(new Set(Object.keys(newDefault[key]))).to.deep.equal(
-          new Set(Object.keys(oldDefault[key]))
-        );
-        for (const key2 in newDefault[key]) {
-          if (typeof newDefault[key][key2] === 'function') {
-            expect(newDefault[key][key2].toString()).to.deep.equal(
-              oldDefault[key][key2].toString()
-            );
-          } else {
-            expect(newDefault[key]).to.have.deep.property(key2, oldDefault[key][key2]);
-          }
-        }
-      } else {
-        expect(newDefault[key]).to.deep.equal(oldDefault[key]);
-      }
-    }
-  });
-});

packages/mermaid/src/config.spec.ts

@@ -0,0 +1,72 @@
+import * as configApi from './config.js';
+
+describe('when working with site config', function () {
+  beforeEach(() => {
+    // Resets the site config to default config
+    configApi.setSiteConfig({});
+  });
+  it('should set site config and config properly', function () {
+    const config_0 = { fontFamily: 'foo-font', fontSize: 150 };
+    configApi.setSiteConfig(config_0);
+    const config_1 = configApi.getSiteConfig();
+    const config_2 = configApi.getConfig();
+    expect(config_1.fontFamily).toEqual(config_0.fontFamily);
+    expect(config_1.fontSize).toEqual(config_0.fontSize);
+    expect(config_1).toEqual(config_2);
+  });
+  it('should respect secure keys when applying directives', function () {
+    const config_0 = {
+      fontFamily: 'foo-font',
+      fontSize: 12345, // can't be changed
+      secure: [...configApi.defaultConfig.secure!, 'fontSize'],
+    };
+    configApi.setSiteConfig(config_0);
+    const directive = { fontFamily: 'baf', fontSize: 54321 /* fontSize shouldn't be changed */ };
+    const cfg = configApi.updateCurrentConfig(config_0, [directive]);
+    expect(cfg.fontFamily).toEqual(directive.fontFamily);
+    expect(cfg.fontSize).toBe(config_0.fontSize);
+  });
+  it('should allow setting partial options', function () {
+    const defaultConfig = configApi.getConfig();
+
+    configApi.setConfig({
+      quadrantChart: {
+        chartHeight: 600,
+      },
+    });
+
+    const updatedConfig = configApi.getConfig();
+
+    // deep options we didn't update should remain the same
+    expect(defaultConfig.quadrantChart!.chartWidth).toEqual(
+      updatedConfig.quadrantChart!.chartWidth
+    );
+  });
+  it('should set reset config properly', function () {
+    const config_0 = { fontFamily: 'foo-font', fontSize: 150 };
+    configApi.setSiteConfig(config_0);
+    const config_1 = { fontFamily: 'baf' };
+    configApi.setConfig(config_1);
+    const config_2 = configApi.getConfig();
+    expect(config_2.fontFamily).toEqual(config_1.fontFamily);
+    configApi.reset();
+    const config_3 = configApi.getConfig();
+    expect(config_3.fontFamily).toEqual(config_0.fontFamily);
+    const config_4 = configApi.getSiteConfig();
+    expect(config_4.fontFamily).toEqual(config_0.fontFamily);
+  });
+  it('should set global reset config properly', function () {
+    const config_0 = { fontFamily: 'foo-font', fontSize: 150 };
+    configApi.setSiteConfig(config_0);
+    const config_1 = configApi.getSiteConfig();
+    expect(config_1.fontFamily).toEqual(config_0.fontFamily);
+    const config_2 = configApi.getConfig();
+    expect(config_2.fontFamily).toEqual(config_0.fontFamily);
+    configApi.setConfig({ altFontFamily: 'bar-font' });
+    const config_3 = configApi.getConfig();
+    expect(config_3.altFontFamily).toEqual('bar-font');
+    configApi.reset();
+    const config_4 = configApi.getConfig();
+    expect(config_4.altFontFamily).toBeUndefined();
+  });
+});

packages/mermaid/src/diagrams/flowchart/flowDb.js

@@ -342,7 +342,10 @@ export const setLink = function (ids, linkStr, target) {
   setClass(ids, 'clickable');
 };
 export const getTooltip = function (id) {
-  return tooltips[id];
+  if (tooltips.hasOwnProperty(id)) {
+    return tooltips[id];
+  }
+  return undefined;
 };
 
 /**
@@ -443,7 +446,7 @@ export const clear = function (ver = 'gen-1') {
   subGraphs = [];
   subGraphLookup = {};
   subCount = 0;
-  tooltips = [];
+  tooltips = {};
   firstGraphFlag = true;
   version = ver;
   commonClear();

packages/mermaid/src/docs/.vitepress/components/HomePage.vue

@@ -16,8 +16,12 @@ import { teamMembers } from '../contributors';
           <p text-lg max-w-200 text-center leading-7>
             <Contributors />
             <br />
-            <a href="https://chat.vitest.dev" rel="noopener noreferrer">Join the community</a> and
+            <a
-            get involved!
+              href="https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE"
+              rel="noopener noreferrer"
+              >Join the community</a
+            >
+            and get involved!
           </p>
         </div>
       </main>

packages/mermaid/src/docs/news/announcements.md

@@ -1,7 +1,7 @@
 # Announcements
 
-## [Sequence diagrams, the only good thing UML brought to software development](https://www.mermaidchart.com/blog/posts/sequence-diagrams-the-good-thing-uml-brought-to-software-development/)
+## [Mermaid Chart’s ChatGPT Plugin Combines Generative AI and Smart Diagramming For Users](https://www.mermaidchart.com/blog/posts/mermaid-chart-chatgpt-plugin-combines-generative-ai-and-smart-diagramming)
 
-15 June 2023 · 12 mins
+29 June 2023 · 4 mins
 
-Sequence diagrams really shine when you’re documenting different parts of a system and the various ways these parts interact with each other.
+Mermaid Chart’s new ChatGPT plugin integrates AI-powered text prompts with Mermaid’s intuitive diagramming editor, enabling users to generate, edit, and share complex diagrams with ease and efficiency.

packages/mermaid/src/docs/news/blog.md

@@ -1,5 +1,11 @@
 # Blog
 
+## [Mermaid Chart’s ChatGPT Plugin Combines Generative AI and Smart Diagramming For Users](https://www.mermaidchart.com/blog/posts/mermaid-chart-chatgpt-plugin-combines-generative-ai-and-smart-diagramming)
+
+29 June 2023 · 4 mins
+
+Mermaid Chart’s new ChatGPT plugin integrates AI-powered text prompts with Mermaid’s intuitive diagramming editor, enabling users to generate, edit, and share complex diagrams with ease and efficiency.
+
 ## [Sequence diagrams, the only good thing UML brought to software development](https://www.mermaidchart.com/blog/posts/sequence-diagrams-the-good-thing-uml-brought-to-software-development/)
 
 15 June 2023 · 12 mins

packages/mermaid/src/docs/package.json

@@ -4,6 +4,7 @@
   "type": "module",
   "scripts": {
     "dev": "vitepress --port 3333 --open",
+    "dev:docker": "vitepress --port 3333 --host",
     "build": "pnpm prefetch && vitepress build",
     "build-no-prefetch": "vitepress build",
     "serve": "vitepress serve",

packages/mermaid/src/docs/syntax/flowchart.md

@@ -676,6 +676,16 @@ flowchart LR
     classDef someclass fill:#f96
 ```
 
+This form can be used when declaring multiple links between nodes:
+
+```mermaid-example
+flowchart LR
+    A:::foo & B:::bar --> C:::foobar
+    classDef foo stroke:#f00
+    classDef bar stroke:#0f0
+    classDef foobar stroke:#00f
+```
+
 ### Css classes
 
 It is also possible to predefine classes in css styles that can be applied from the graph definition as in the example

run

@@ -27,7 +27,7 @@ $RUN --service-ports mermaid sh -c "npx pnpm run dev"
 ;;
 
 docs:dev)
-$RUN --service-ports mermaid sh -c "cd packages/mermaid/src/docs && npx pnpm prefetch && npx vitepress --port 3333 --host"
+$RUN --service-ports mermaid sh -c "npx pnpm run --filter mermaid docs:dev:docker"
 ;;
 
 cypress)