feat(jsx): add jsx generator

package.json

@@ -39,17 +39,22 @@
   "dependencies": {
     "@actions/core": "^1.11.1",
     "@clack/prompts": "^0.10.1",
+    "@node-core/rehype-shiki": "^1.0.1-1815fa769361b836fa52cfab9c5bd4991f571c95",
     "@orama/orama": "^3.1.6",
     "@orama/plugin-data-persistence": "^3.1.6",
     "acorn": "^8.14.1",
     "commander": "^13.1.0",
     "dedent": "^1.6.0",
+    "estree-util-value-to-estree": "^3.4.0",
     "estree-util-visit": "^2.0.0",
     "github-slugger": "^2.0.0",
     "glob": "^11.0.2",
     "hast-util-to-string": "^3.0.1",
     "hastscript": "^9.0.1",
     "html-minifier-terser": "^7.2.0",
+    "reading-time": "^1.5.0",
+    "recma-jsx": "^1.0.0",
+    "rehype-recma": "^1.0.0",
     "rehype-stringify": "^10.0.1",
     "remark-gfm": "^4.0.1",
     "remark-parse": "^11.0.0",

src/constants.mjs

@@ -9,3 +9,14 @@ export const DOC_NODE_CHANGELOG_URL =
 
 // The base URL for the Node.js website
 export const BASE_URL = 'https://nodejs.org/';
+
+// This is the Node.js Base URL for viewing a file within GitHub UI
+export const DOC_NODE_BLOB_BASE_URL =
+  'https://github.com/nodejs/node/blob/HEAD/';
+
+// This is the Node.js API docs base URL for editing a file on GitHub UI
+export const DOC_API_BLOB_EDIT_BASE_URL =
+  'https://github.com/nodejs/node/edit/main/doc/api/';
+
+// Base URL for a specific Node.js version within the Node.js API docs
+export const DOC_API_BASE_URL_VERSION = 'https://nodejs.org/docs/latest-v';

src/generators/index.mjs

@@ -11,6 +11,7 @@ import apiLinks from './api-links/index.mjs';
 import oramaDb from './orama-db/index.mjs';
 import astJs from './ast-js/index.mjs';
 import llmsTxt from './llms-txt/index.mjs';
+import jsxAst from './jsx-ast/index.mjs';
 
 export const publicGenerators = {
   'json-simple': jsonSimple,
@@ -23,6 +24,7 @@ export const publicGenerators = {
   'api-links': apiLinks,
   'orama-db': oramaDb,
   'llms-txt': llmsTxt,
+  'jsx-ast': jsxAst,
 };
 
 export const allGenerators = {

src/generators/jsx-ast/constants.mjs

@@ -0,0 +1,115 @@
+/**
+ * UI classes for Node.js API stability levels
+ *
+ * @see https://nodejs.org/api/documentation.html#stability-index
+ */
+export const STABILITY_LEVELS = [
+  'danger', // (0) Deprecated
+  'warning', // (1) Experimental
+  'success', // (2) Stable
+  'info', // (3) Legacy
+];
+
+/**
+ * HTML tag to UI component mappings
+ */
+export const TAG_TRANSFORMS = {
+  pre: 'CodeBox',
+  blockquote: 'Blockquote',
+};
+
+/**
+ * @see transformer.mjs's TODO comment
+ */
+export const TYPE_TRANSFORMS = {
+  raw: 'text',
+};
+
+/**
+ * API type icon configurations
+ */
+export const API_ICONS = {
+  event: { symbol: 'E', color: 'red' },
+  method: { symbol: 'M', color: 'red' },
+  property: { symbol: 'P', color: 'red' },
+  class: { symbol: 'C', color: 'red' },
+  module: { symbol: 'M', color: 'red' },
+  classMethod: { symbol: 'S', color: 'red' },
+  ctor: { symbol: 'C', color: 'red' },
+};
+
+/**
+ * API lifecycle change labels
+ */
+export const LIFECYCLE_LABELS = {
+  added_in: 'Added in',
+  deprecated_in: 'Deprecated in',
+  removed_in: 'Removed in',
+  introduced_in: 'Introduced in',
+};
+
+// TODO(@avivkeller): These should be inherited from @node-core/website-i18n
+export const INTERNATIONALIZABLE = {
+  sourceCode: 'Source Code: ',
+};
+
+/**
+ * Abstract Syntax Tree node type constants
+ */
+export const AST_NODE_TYPES = {
+  MDX: {
+    /**
+     * Text-level JSX element
+     *
+     * @see https://github.com/syntax-tree/mdast-util-mdx-jsx#mdxjsxtextelement
+     */
+    JSX_INLINE_ELEMENT: 'mdxJsxTextElement',
+
+    /**
+     * Block-level JSX element
+     *
+     * @see https://github.com/syntax-tree/mdast-util-mdx-jsx#mdxjsxflowelement
+     */
+    JSX_BLOCK_ELEMENT: 'mdxJsxFlowElement',
+
+    /**
+     * JSX attribute
+     *
+     * @see https://github.com/syntax-tree/mdast-util-mdx-jsx#mdxjsxattribute
+     */
+    JSX_ATTRIBUTE: 'mdxJsxAttribute',
+
+    /**
+     * JSX expression attribute
+     *
+     * @see https://github.com/syntax-tree/mdast-util-mdx-jsx#mdxjsxattributevalueexpression
+     */
+    JSX_ATTRIBUTE_EXPRESSION: 'mdxJsxAttributeValueExpression',
+  },
+  ESTREE: {
+    /**
+     * AST Program node
+     *
+     * @see https://github.com/estree/estree/blob/master/es5.md#programs
+     */
+    PROGRAM: 'Program',
+
+    /**
+     * Expression statement
+     *
+     * @see https://github.com/estree/estree/blob/master/es5.md#expressionstatement
+     */
+    EXPRESSION_STATEMENT: 'ExpressionStatement',
+  },
+  // TODO(@avivkeller): These should be inherited from the elements themselves
+  JSX: {
+    ALERT_BOX: 'AlertBox',
+    CHANGE_HISTORY: 'ChangeHistory',
+    CIRCULAR_ICON: 'CircularIcon',
+    NAV_BAR: 'NavBar',
+    ARTICLE: 'Article',
+    SIDE_BAR: 'SideBar',
+    META_BAR: 'MetaBar',
+    FOOTER: 'Footer',
+  },
+};

src/generators/jsx-ast/index.mjs

@@ -0,0 +1,68 @@
+import {
+  getCompatibleVersions,
+  groupNodesByModule,
+} from '../../utils/generators.mjs';
+import buildContent from './utils/buildContent.mjs';
+import { getRemarkRecma } from '../../utils/remark.mjs';
+import { buildSideBarDocPages } from './utils/buildBarProps.mjs';
+
+/**
+ * This generator generates a JSX AST from an input MDAST
+ *
+ * @typedef {Array<ApiDocMetadataEntry>} Input
+ *
+ * @type {GeneratorMetadata<Input, string>}
+ */
+export default {
+  name: 'jsx-ast',
+  version: '1.0.0',
+  description: 'Generates JSX AST from the input MDAST',
+  dependsOn: 'ast',
+
+  /**
+   * Generates a JSX AST
+   *
+   * @param {Input} entries
+   * @param {Partial<GeneratorOptions>} options
+   * @returns {Promise<Array<string>>} Array of generated content
+   */
+  async generate(entries, { releases, version }) {
+    const remarkRecma = getRemarkRecma();
+    const groupedModules = groupNodesByModule(entries);
+
+    // Get sorted primary heading nodes
+    const headNodes = entries
+      .filter(node => node.heading.depth === 1)
+      .sort((a, b) => a.heading.data.name.localeCompare(b.heading.data.name));
+
+    // Generate table of contents
+    const docPages = buildSideBarDocPages(groupedModules, headNodes);
+
+    // Process each head node and build content
+    const results = await Promise.all(
+      headNodes.map(entry => {
+        const versions = getCompatibleVersions(
+          entry.introduced_in,
+          releases,
+          true
+        );
+
+        const sideBarProps = {
+          versions: versions.map(({ version }) => `v${version.version}`),
+          currentVersion: `v${version.version}`,
+          currentPage: `${entry.api}.html`,
+          docPages,
+        };
+
+        return buildContent(
+          groupedModules.get(entry.api),
+          entry,
+          sideBarProps,
+          remarkRecma
+        );
+      })
+    );
+
+    return results;
+  },
+};

src/generators/jsx-ast/test/utils.test.mjs

@@ -0,0 +1,80 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import {
+  buildSideBarDocPages,
+  buildMetaBarProps,
+} from '../utils/buildBarProps.mjs';
+import buildContent from '../utils/buildContent.mjs';
+import { createJSXElement } from '../utils/ast.mjs';
+import { AST_NODE_TYPES } from '../constants.mjs';
+import { unified } from 'unified';
+import remarkParse from 'remark-parse';
+import remarkStringify from 'remark-stringify';
+
+const sampleEntry = {
+  api: 'sample-api',
+  heading: {
+    depth: 2,
+    data: { name: 'SampleFunc', slug: 'sample-func', type: 'function' },
+  },
+  content: {
+    type: 'root',
+    children: [
+      { type: 'text', value: 'Example text for testing reading time.' },
+    ],
+  },
+  added_in: 'v1.0.0',
+  source_link: '/src/index.js',
+  changes: [
+    {
+      version: 'v1.1.0',
+      description: 'Improved performance',
+      'pr-url': 'https://github.com/org/repo/pull/123',
+    },
+  ],
+};
+
+test('buildSideBarDocPages returns expected format', () => {
+  const grouped = new Map([['sample-api', [sampleEntry]]]);
+  const result = buildSideBarDocPages(grouped, [sampleEntry]);
+
+  assert.equal(result.length, 1);
+  assert.equal(result[0].title, 'SampleFunc');
+  assert.equal(result[0].doc, 'sample-api.html');
+  assert.deepEqual(result[0].headings, [['SampleFunc', '#sample-func']]);
+});
+
+test('buildMetaBarProps includes expected fields', () => {
+  const result = buildMetaBarProps(sampleEntry, [sampleEntry]);
+
+  assert.equal(result.addedIn, 'v1.0.0');
+  assert.deepEqual(result.viewAs, [['JSON', 'sample-api.json']]);
+  assert.ok(result.readingTime.startsWith('1 min'));
+  assert.ok(result.editThisPage.endsWith('sample-api.md'));
+  assert.deepEqual(result.headings, [{ depth: 2, value: 'SampleFunc' }]);
+});
+
+test('createJSXElement builds correct JSX tree', () => {
+  const el = createJSXElement('TestComponent', {
+    inline: false,
+    children: 'Some content',
+    dataAttr: { test: true },
+  });
+
+  assert.equal(el.type, AST_NODE_TYPES.MDX.JSX_BLOCK_ELEMENT);
+  assert.equal(el.name, 'TestComponent');
+  assert.ok(Array.isArray(el.children));
+  assert.ok(el.attributes.some(attr => attr.name === 'dataAttr'));
+});
+
+test('buildContent processes entries and includes JSX wrapper elements', () => {
+  const processor = unified().use(remarkParse).use(remarkStringify);
+  const tree = buildContent([sampleEntry], sampleEntry, {}, processor);
+
+  const article = tree.children.find(
+    child => child.name === AST_NODE_TYPES.JSX.ARTICLE
+  );
+  assert.ok(article);
+  assert.ok(article.children.some(c => c.name === AST_NODE_TYPES.JSX.SIDE_BAR));
+  assert.ok(article.children.some(c => c.name === AST_NODE_TYPES.JSX.FOOTER));
+});

src/generators/jsx-ast/utils/ast.mjs

@@ -0,0 +1,79 @@
+'use strict';
+
+import { u as createTree } from 'unist-builder';
+import { valueToEstree } from 'estree-util-value-to-estree';
+import { AST_NODE_TYPES } from '../constants.mjs';
+
+/**
+ * @typedef {Object} JSXOptions
+ * @property {boolean} [inline] - Whether the element is inline
+ * @property {(string | Array<import('unist').Node>)} [children] - Child content or nodes
+ */
+
+/**
+ * Creates an MDX JSX element with support for complex attribute values.
+ *
+ * @param {string} name - The name of the JSX element
+ * @param {JSXOptions & Record<string, any>} [options={}] - Options including type, children, and JSX attributes
+ * @returns {import('unist').Node} The created MDX JSX element node
+ */
+export const createJSXElement = (
+  name,
+  { inline = true, children = [], ...attributes } = {}
+) => {
+  // Convert string children to text node or use array directly
+  const processedChildren =
+    typeof children === 'string'
+      ? [createTree('text', { value: children })]
+      : children;
+
+  const elementType = inline
+    ? AST_NODE_TYPES.MDX.JSX_INLINE_ELEMENT
+    : AST_NODE_TYPES.MDX.JSX_BLOCK_ELEMENT;
+
+  const attrs = Object.entries(attributes).map(([key, value]) =>
+    createAttributeNode(key, value)
+  );
+
+  return createTree(elementType, {
+    name,
+    attributes: attrs,
+    children: processedChildren,
+  });
+};
+
+/**
+ * Creates an MDX JSX attribute node based on the value type.
+ *
+ * @param {string} name - The attribute name
+ * @param {any} value - The attribute value
+ * @returns {import('unist').Node} The MDX JSX attribute node
+ */
+function createAttributeNode(name, value) {
+  // Use expression for objects and arrays
+  if (value !== null && typeof value === 'object') {
+    return createTree(AST_NODE_TYPES.MDX.JSX_ATTRIBUTE, {
+      name,
+      value: createTree(AST_NODE_TYPES.MDX.JSX_ATTRIBUTE_EXPRESSION, {
+        data: {
+          estree: {
+            type: AST_NODE_TYPES.ESTREE.PROGRAM,
+            body: [
+              {
+                type: AST_NODE_TYPES.ESTREE.EXPRESSION_STATEMENT,
+                expression: valueToEstree(value),
+              },
+            ],
+          },
+        },
+      }),
+    });
+  }
+
+  // For primitives, use simple string conversion.
+  // If undefined, pass nothing.
+  return createTree(AST_NODE_TYPES.MDX.JSX_ATTRIBUTE, {
+    name,
+    value: value == null ? value : String(value),
+  });
+}