chore: backport retro compatible commits for the Docusaurus v2.2 rele…

…ase (#8264)

Co-authored-by: Jan Peer Stoecklmair <jan.peer.stoecklmair@dynatrace.com>
Co-authored-by: Joshua Chen <sidachen2003@gmail.com>
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Co-authored-by: Mikey O'Toole <mikey@homotechsual.dev>
Co-authored-by: Jan Peer Stöcklmair <jan.oster94@gmail.com>
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admin/new.docusaurus.io/package.json

@@ -1,6 +1,6 @@
 {
   "name": "new.docusaurus.io",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "private": true,
   "scripts": {
     "start": "npx --package netlify-cli netlify dev"

lerna.json

@@ -1,5 +1,5 @@
 {
-  "version": "2.1.0",
+  "version": "2.2.0",
   "npmClient": "yarn",
   "useWorkspaces": true,
   "changelog": {

packages/create-docusaurus/package.json

@@ -1,6 +1,6 @@
 {
   "name": "create-docusaurus",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Create Docusaurus apps easily.",
   "type": "module",
   "repository": {
@@ -22,8 +22,8 @@
   },
   "license": "MIT",
   "dependencies": {
-    "@docusaurus/logger": "2.1.0",
-    "@docusaurus/utils": "2.1.0",
+    "@docusaurus/logger": "2.2.0",
+    "@docusaurus/utils": "2.2.0",
     "commander": "^5.1.0",
     "fs-extra": "^10.1.0",
     "lodash": "^4.17.21",

packages/create-docusaurus/src/index.ts

@@ -456,8 +456,10 @@ export default async function init(
   reqTemplate?: string,
   cliOptions: CLIOptions = {},
 ): Promise<void> {
-  const templates = await readTemplates();
-  const siteName = await getSiteName(reqName, rootDir);
+  const [templates, siteName] = await Promise.all([
+    readTemplates(),
+    getSiteName(reqName, rootDir),
+  ]);
   const dest = path.resolve(rootDir, siteName);
   const source = await getSource(reqTemplate, templates, cliOptions);
 

packages/create-docusaurus/templates/classic-typescript/package.json

@@ -1,6 +1,6 @@
 {
   "name": "docusaurus-2-classic-typescript-template",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "private": true,
   "scripts": {
     "docusaurus": "docusaurus",
@@ -15,16 +15,16 @@
     "typecheck": "tsc"
   },
   "dependencies": {
-    "@docusaurus/core": "2.1.0",
-    "@docusaurus/preset-classic": "2.1.0",
+    "@docusaurus/core": "2.2.0",
+    "@docusaurus/preset-classic": "2.2.0",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^1.2.1",
     "prism-react-renderer": "^1.3.5",
     "react": "^17.0.2",
     "react-dom": "^17.0.2"
   },
   "devDependencies": {
-    "@docusaurus/module-type-aliases": "2.1.0",
+    "@docusaurus/module-type-aliases": "2.2.0",
     "@tsconfig/docusaurus": "^1.0.5",
     "typescript": "^4.7.4"
   },

packages/create-docusaurus/templates/classic/package.json

@@ -1,6 +1,6 @@
 {
   "name": "docusaurus-2-classic-template",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "private": true,
   "scripts": {
     "docusaurus": "docusaurus",
@@ -14,16 +14,16 @@
     "write-heading-ids": "docusaurus write-heading-ids"
   },
   "dependencies": {
-    "@docusaurus/core": "2.1.0",
-    "@docusaurus/preset-classic": "2.1.0",
+    "@docusaurus/core": "2.2.0",
+    "@docusaurus/preset-classic": "2.2.0",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^1.2.1",
     "prism-react-renderer": "^1.3.5",
     "react": "^17.0.2",
     "react-dom": "^17.0.2"
   },
   "devDependencies": {
-    "@docusaurus/module-type-aliases": "2.1.0"
+    "@docusaurus/module-type-aliases": "2.2.0"
   },
   "browserslist": {
     "production": [

packages/create-docusaurus/templates/facebook/package.json

@@ -1,6 +1,6 @@
 {
   "name": "docusaurus-2-facebook-template",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "private": true,
   "scripts": {
     "docusaurus": "docusaurus",
@@ -18,8 +18,8 @@
     "format:diff": "prettier --config .prettierrc --list-different \"**/*.{js,jsx,ts,tsx,md,mdx}\""
   },
   "dependencies": {
-    "@docusaurus/core": "2.1.0",
-    "@docusaurus/preset-classic": "2.1.0",
+    "@docusaurus/core": "2.2.0",
+    "@docusaurus/preset-classic": "2.2.0",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^1.2.1",
     "react": "^17.0.2",

packages/docusaurus-cssnano-preset/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@docusaurus/cssnano-preset",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Advanced cssnano preset for maximum optimization.",
   "main": "lib/index.js",
   "license": "MIT",

packages/docusaurus-logger/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@docusaurus/logger",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "An encapsulated logger for semantically formatting console messages.",
   "main": "./lib/index.js",
   "repository": {

packages/docusaurus-mdx-loader/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@docusaurus/mdx-loader",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Docusaurus Loader for MDX",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
@@ -20,8 +20,8 @@
   "dependencies": {
     "@babel/parser": "^7.18.8",
     "@babel/traverse": "^7.18.8",
-    "@docusaurus/logger": "2.1.0",
-    "@docusaurus/utils": "2.1.0",
+    "@docusaurus/logger": "2.2.0",
+    "@docusaurus/utils": "2.2.0",
     "@mdx-js/mdx": "^1.6.22",
     "escape-html": "^1.0.3",
     "file-loader": "^6.2.0",
@@ -37,9 +37,10 @@
     "webpack": "^5.73.0"
   },
   "devDependencies": {
-    "@docusaurus/types": "2.1.0",
+    "@docusaurus/types": "2.2.0",
     "@types/escape-html": "^1.0.2",
     "@types/mdast": "^3.0.10",
+    "@types/mermaid": "^8.2.9",
     "@types/stringify-object": "^3.3.1",
     "@types/unist": "^2.0.6",
     "rehype-stringify": "^8.0.0",

packages/docusaurus-mdx-loader/src/loader.ts

@@ -22,8 +22,10 @@ import toc from './remark/toc';
 import unwrapMdxCodeBlocks from './remark/unwrapMdxCodeBlocks';
 import transformImage from './remark/transformImage';
 import transformLinks from './remark/transformLinks';
+import mermaid from './remark/mermaid';
 
 import transformAdmonitions from './remark/admonitions';
+import type {MarkdownConfig} from '@docusaurus/types';
 import type {LoaderContext} from 'webpack';
 import type {Processor, Plugin} from 'unified';
 import type {AdmonitionOptions} from './remark/admonitions';
@@ -61,6 +63,7 @@ export type MDXOptions = {
 };
 
 export type Options = Partial<MDXOptions> & {
+  markdownConfig: MarkdownConfig;
   staticDirs: string[];
   siteDir: string;
   isMDXPartial?: (filePath: string) => boolean;
@@ -71,7 +74,6 @@ export type Options = Partial<MDXOptions> & {
     frontMatter: {[key: string]: unknown};
     metadata: {[key: string]: unknown};
   }) => {[key: string]: unknown};
-  filepath: string;
 };
 
 /**
@@ -171,6 +173,7 @@ export async function mdxLoader(
       ...(reqOptions.beforeDefaultRemarkPlugins ?? []),
       ...getAdmonitionsPlugins(reqOptions.admonitions ?? false),
       ...DEFAULT_OPTIONS.remarkPlugins,
+      ...(reqOptions.markdownConfig.mermaid ? [mermaid] : []),
       [
         transformImage,
         {

packages/docusaurus-mdx-loader/src/remark/mermaid/__tests__/__snapshots__/index.test.ts.snap

@@ -0,0 +1,51 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`mermaid remark plugin does nothing if there's no mermaid code block 1`] = `
+"
+
+
+const layoutProps = {
+  
+};
+const MDXLayout = "wrapper"
+export default function MDXContent({
+  components,
+  ...props
+}) {
+  return <MDXLayout {...layoutProps} {...props} components={components} mdxType="MDXLayout">
+    <h1>{\`Heading 1\`}</h1>
+    <p>{\`No Mermaid diagram :(\`}</p>
+    <pre><code parentName="pre" {...{
+        "className": "language-js"
+      }}>{\`this is not mermaid
+\`}</code></pre>
+    </MDXLayout>;
+}
+
+;
+MDXContent.isMDXComponent = true;"
+`;
+
+exports[`mermaid remark plugin works for basic mermaid code blocks 1`] = `
+"
+
+
+const layoutProps = {
+  
+};
+const MDXLayout = "wrapper"
+export default function MDXContent({
+  components,
+  ...props
+}) {
+  return <MDXLayout {...layoutProps} {...props} components={components} mdxType="MDXLayout">
+    <h1>{\`Heading 1\`}</h1>
+    <mermaid {...{
+      "value": "graph TD;/n    A-->B;/n    A-->C;/n    B-->D;/n    C-->D;"
+    }}></mermaid>
+    </MDXLayout>;
+}
+
+;
+MDXContent.isMDXComponent = true;"
+`;

packages/docusaurus-mdx-loader/src/remark/mermaid/__tests__/index.test.ts

@@ -0,0 +1,46 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {createCompiler} from '@mdx-js/mdx';
+import mermaid from '..';
+
+describe('mermaid remark plugin', () => {
+  function createTestCompiler() {
+    return createCompiler({
+      remarkPlugins: [mermaid],
+    });
+  }
+
+  it("does nothing if there's no mermaid code block", async () => {
+    const mdxCompiler = createTestCompiler();
+    const result = await mdxCompiler.process(
+      `# Heading 1
+
+No Mermaid diagram :(
+
+\`\`\`js
+this is not mermaid
+\`\`\`
+`,
+    );
+    expect(result.contents).toMatchSnapshot();
+  });
+
+  it('works for basic mermaid code blocks', async () => {
+    const mdxCompiler = createTestCompiler();
+    const result = await mdxCompiler.process(`# Heading 1
+
+\`\`\`mermaid
+graph TD;
+    A-->B;
+    A-->C;
+    B-->D;
+    C-->D;
+\`\`\``);
+    expect(result.contents).toMatchSnapshot();
+  });
+});

packages/docusaurus-mdx-loader/src/remark/mermaid/index.ts

@@ -0,0 +1,32 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import visit from 'unist-util-visit';
+import type {Transformer} from 'unified';
+import type {Code} from 'mdast';
+
+// TODO: this plugin shouldn't be in the core MDX loader
+// After we allow plugins to provide Remark/Rehype plugins (see
+// https://github.com/facebook/docusaurus/issues/6370), this should be provided
+// by theme-mermaid itself
+export default function plugin(): Transformer {
+  return (root) => {
+    visit(root, 'code', (node: Code, index, parent) => {
+      if (node.lang === 'mermaid') {
+        parent!.children.splice(index, 1, {
+          type: 'mermaidCodeBlock',
+          data: {
+            hName: 'mermaid',
+            hProperties: {
+              value: node.value,
+            },
+          },
+        });
+      }
+    });
+  };
+}

packages/docusaurus-migrate/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@docusaurus/migrate",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "A CLI tool to migrate from older versions of Docusaurus.",
   "license": "MIT",
   "engines": {
@@ -24,8 +24,8 @@
   "dependencies": {
     "@babel/core": "^7.18.6",
     "@babel/preset-env": "^7.18.6",
-    "@docusaurus/logger": "2.1.0",
-    "@docusaurus/utils": "2.1.0",
+    "@docusaurus/logger": "2.2.0",
+    "@docusaurus/utils": "2.2.0",
     "@mapbox/hast-util-to-jsx": "^2.0.0",
     "color": "^4.2.3",
     "commander": "^5.1.0",

packages/docusaurus-module-type-aliases/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@docusaurus/module-type-aliases",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Docusaurus module type aliases.",
   "types": "./src/index.d.ts",
   "publishConfig": {
@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "@docusaurus/react-loadable": "5.5.2",
-    "@docusaurus/types": "2.1.0",
+    "@docusaurus/types": "2.2.0",
     "@types/history": "^4.7.11",
     "@types/react": "*",
     "@types/react-router-config": "*",