#!/usr/bin/env node /** * @fileoverview Docusaurus to Mintlify Migration Script * @description Converts Docusaurus documentation to Mintlify format with proper MDX syntax, * code formatting, and navigation structure. Supports multi-version migration with intelligent * content caching and validation. * * @example * // Interactive mode * node migrate-docusaurus.js * * @example * // Non-interactive mode (all versions) * node migrate-docusaurus.js ~/repos/cosmos-sdk-docs ./tmp sdk * node migrate-docusaurus.js ~/repos/cosmos-sdk-docs ./tmp sdk --update-nav * * @requires gray-matter - Parse and generate YAML frontmatter * @requires unified - Unified text processing framework * @requires remark-parse - Markdown parser for unified * @requires remark-gfm - GitHub Flavored Markdown support * @requires remark-stringify - Markdown stringifier for unified * @requires unist-util-visit - Tree visitor for unified AST * * @author Cosmos SDK Team * @version 2.0.0 * @since 2024 */ import fs from 'fs'; import path from 'path'; import { fileURLToPath } from 'url'; import readline from 'readline'; import crypto from 'crypto'; import matter from 'gray-matter'; import { unified } from 'unified'; import remarkParse from 'remark-parse'; import remarkGfm from 'remark-gfm'; import remarkStringify from 'remark-stringify'; import { visit } from 'unist-util-visit'; import { execSync } from 'child_process'; const __filename = fileURLToPath(import.meta.url); const __dirname = path.dirname(__filename); // Create readline interface for prompts const rl = readline.createInterface({ input: process.stdin, output: process.stdout }); const prompt = (question) => new Promise((resolve) => rl.question(question, resolve)); /** * Safely process content while preserving code blocks and inline code. * This is the foundation of our text transformation system, ensuring code is never * accidentally modified by markdown transformations. * * @function safeProcessContent * @param {string} content - The markdown content to process * @param {Function} processor - Function to process non-code content * @returns {string} Processed content with code blocks preserved * * @description * Pipeline steps: * 1. Extract and replace fenced code blocks with placeholders * 2. Extract and replace inline code with placeholders * 3. Apply processor function to remaining content * 4. Restore inline code from placeholders * 5. Restore fenced code blocks from placeholders * * This ensures transformations like escaping underscores or fixing JSX * comments never affect actual code content. * * @example * const result = safeProcessContent(content, (text) => { * return text.replace(/_/g, '\\_'); // Escapes underscores in text only * }); */ function safeProcessContent(content, processor) { // STEP 1: Extract all code blocks and inline code to protect them from processing const codeBlocks = []; const inlineCode = []; let processed = content; // STEP 2: Replace triple-backtick code blocks with placeholders // This prevents code blocks from being modified by subsequent processing processed = processed.replace(/```[\s\S]*?```/g, (match) => { const index = codeBlocks.length; codeBlocks.push(match); // Store original code block return `__CODE_BLOCK_${index}__`; // Replace with placeholder }); // STEP 3: Replace inline code spans of ANY tick length with placeholders // This handles `, ``, ```, etc. to protect all code spans from processing // The regex (`+)([^`\n]*?)\1 matches any number of backticks, content, then same number of backticks processed = processed.replace(/(`+)([^`\n]*?)\1/g, (match) => { const index = inlineCode.length; inlineCode.push(match); // Store original inline code (e.g., `{groupId}` or ``{groupId}``) return `__INLINE_CODE_${index}__`; // Replace with placeholder }); // STEP 4: Process the content (with code replaced by placeholders) // The processor function won't see any backtick-wrapped content processed = processor(processed); // STEP 5: Restore inline code first // This puts back the original inline code (e.g., `{groupId}`) exactly as it was // Handle both escaped and non-escaped versions (in case underscores were escaped in tables) for (let i = 0; i < inlineCode.length; i++) { // Try escaped version first (if underscores were escaped in table processing) const escapedPlaceholder = `__INLINE\\_CODE_${i}__`; const normalPlaceholder = `__INLINE_CODE_${i}__`; if (processed.includes(escapedPlaceholder)) { processed = processed.replace(escapedPlaceholder, inlineCode[i]); } else { processed = processed.replace(normalPlaceholder, inlineCode[i]); } } // STEP 6: Restore code blocks last for (let i = 0; i < codeBlocks.length; i++) { // Try escaped version first const escapedPlaceholder = `__CODE\\_BLOCK_${i}__`; const normalPlaceholder = `__CODE_BLOCK_${i}__`; if (processed.includes(escapedPlaceholder)) { processed = processed.replace(escapedPlaceholder, codeBlocks[i]); } else { processed = processed.replace(normalPlaceholder, codeBlocks[i]); } } return processed; } /** * Parse Docusaurus frontmatter using battle-tested gray-matter library. * Extracts YAML frontmatter and returns parsed metadata. * * @function parseDocusaurusFrontmatter * @param {string} content - Raw markdown content with potential frontmatter * @returns {Object} Parsed result * @returns {Object} result.frontmatter - Parsed YAML frontmatter as object * @returns {string} result.content - Content with frontmatter removed * * @description * Uses gray-matter to parse YAML frontmatter from markdown. * Handles missing frontmatter gracefully by returning empty object. * * Common Docusaurus frontmatter fields: * - title: Page title * - sidebar_label: Navigation label * - sidebar_position: Sort order in navigation * - description: Page description * - slug: Custom URL slug * * @example * const { frontmatter, content } = parseDocusaurusFrontmatter( * '---\ntitle: My Page\n---\n# Content' * ); * // frontmatter = { title: 'My Page' } * // content = '# Content' */ function parseDocusaurusFrontmatter(content) { const parsed = matter(content); return { frontmatter: parsed.data, content: parsed.content }; } /** * Extract title from content (first H1 heading). * Removes the H1 from content to avoid duplication. * * @function extractTitleFromContent * @param {string} content - Markdown content potentially containing H1 * @returns {Object} Extraction result * @returns {string|null} result.title - Extracted title or null if no H1 * @returns {string} result.content - Content with H1 removed * * @description * Looks for H1 heading at the start of content (after any blank lines). * Supports both # syntax and underline (===) syntax. * Returns the title text and content without the H1. * * @example * const { title, content } = extractTitleFromContent('# My Title\n\nContent here'); * // title = 'My Title' * // content = 'Content here' */ function extractTitleFromContent(content) { const match = content.match(/^#\s+(.+)$/m); if (match) { return { title: match[1].trim(), content: content.replace(/^#\s+.+\n?/m, '').trim() // Only remove the heading line, not random content }; } return { title: null, content }; } /** * Convert Docusaurus admonitions to Mintlify callouts. * Only processes non-code content, preserving code blocks. * * @function convertAdmonitions * @param {string} content - Markdown content with Docusaurus admonitions * @returns {string} Content with Mintlify callout components * * @description * Converts Docusaurus triple-colon syntax to Mintlify components: * - note admonitions to Note components * - warning admonitions to Warning components * - tip admonitions to Tip components * - info admonitions to Info components * - caution admonitions to Warning components * - danger admonitions to Warning components * * Features: * - Supports custom titles after the admonition type * - Handles nested admonitions with a stack * - Cleans up malformed syntax * - Ensures proper tag pairing * - Processes only non-code content * * @example * // Converts Docusaurus admonition with title * // to Mintlify Note component with bold title */ function convertAdmonitions(content) { return safeProcessContent(content, (nonCodeContent) => { const admonitionMap = { 'note': 'Note', 'tip': 'Tip', 'info': 'Info', 'warning': 'Warning', 'danger': 'Warning', 'caution': 'Warning', 'important': 'Info', 'success': 'Check', 'details': 'Accordion' // For expandable sections }; // Use line-by-line processing to handle complex nested cases const lines = nonCodeContent.split('\n'); const result = []; const admonitionStack = []; for (let i = 0; i < lines.length; i++) { const line = lines[i]; // Check for opening admonition const openMatch = line.match(/^:::(\w+)(?:\s+(.+))?$/); if (openMatch) { const type = openMatch[1].toLowerCase(); const title = openMatch[2]; const component = admonitionMap[type] || 'Note'; admonitionStack.push(component); if (title) { result.push(`<${component}>`); result.push(`**${title}**`); } else { result.push(`<${component}>`); } continue; } // Check for closing admonition if (line.trim() === ':::') { if (admonitionStack.length > 0) { const component = admonitionStack.pop(); result.push(``); } continue; } // Regular line result.push(line); } let finalResult = result.join('\n'); // Clean up any remaining ::: artifacts and malformed syntax finalResult = finalResult.replace(/:::\s*\n/g, '\n'); finalResult = finalResult.replace(/:::\./g, ''); // Handle malformed :::. finalResult = finalResult.replace(/^\s*:::\s*$/gm, ''); // Fix unclosed tags by ensuring proper pairing // If we find an opening tag without a closing tag, add the closing tag const tagPattern = /<(Note|Warning|Tip|Info|Check)\b[^>]*>/g; const openTags = finalResult.match(tagPattern) || []; for (const openTag of openTags) { const tagName = openTag.match(/<(\w+)/)[1]; const closeTag = ``; // Check if this opening tag has a corresponding closing tag const openIndex = finalResult.indexOf(openTag); const nextOpenIndex = finalResult.indexOf(`<${tagName}`, openIndex + openTag.length); const closeIndex = finalResult.indexOf(closeTag, openIndex); // If no closing tag found, or closing tag is after the next opening tag, add one if (closeIndex === -1 || (nextOpenIndex !== -1 && closeIndex > nextOpenIndex)) { const insertPoint = nextOpenIndex !== -1 ? nextOpenIndex : finalResult.length; finalResult = finalResult.slice(0, insertPoint) + `\n${closeTag}\n` + finalResult.slice(insertPoint); } } return finalResult; }); } /** * Format Go code */ function formatGoCode(code) { return code // Fix imports .replace(/import $/g, 'import (\n ') .replace(/"\s+"/g, '"\n "') .replace(/$\s*([a-zA-Z])/g, ')\n\n$1') // Fix braces and structure .replace(/\{\s*([a-zA-Z])/g, '{\n $1') .replace(/([^}\n])\s*\}/g, '$1\n}') .replace(/\)\s*\{/g, ') {') .replace(/\}\s*([a-zA-Z])/g, '}\n\n$1') // Fix struct declarations .replace(/\{\s*([A-Z][a-zA-Z]*:)/g, '{\n $1') .replace(/,\s*([A-Z][a-zA-Z]*:)/g, ',\n $1') // Basic indentation .replace(/^(\s*)([a-z][a-zA-Z]*\s*:=)/gm, ' $2') .replace(/^(\s*)(if|for|switch|case)/gm, ' $2') .replace(/\n{3,}/g, '\n\n') .trim(); } /** * Format JavaScript/TypeScript code */ function formatJavaScriptCode(code) { return code // Fix imports .replace(/import\s*\{([^}]+)\}\s*from/g, (match, imports) => { const cleanImports = imports.split(',').map(imp => imp.trim()).join(',\n '); return `import {\n ${cleanImports}\n} from`; }) // Fix object/function braces .replace(/\{\s*([a-zA-Z])/g, '{\n $1') .replace(/([^}\n])\s*\}/g, '$1\n}') .replace(/\)\s*=>\s*\{/g, ') => {') // Fix function declarations .replace(/function\s+([a-zA-Z_$][a-zA-Z0-9_$]*)\s*$/g, 'function $1(') .replace(/$\s*\{/g, ') {') .replace(/\n{3,}/g, '\n\n') .trim(); } /** * Format Rust code */ function formatRustCode(code) { return code // Fix use statements .replace(/use\s+([^;]+);/g, (match, usePath) => { if (usePath.includes('{')) { return match.replace(/\{\s*([^}]+)\s*\}/g, (m, items) => { const cleanItems = items.split(',').map(item => item.trim()).join(',\n '); return `{\n ${cleanItems}\n}`; }); } return match; }) // Fix function formatting .replace(/fn\s+([a-zA-Z_][a-zA-Z0-9_]*)\s*$/g, 'fn $1(') .replace(/$\s*->\s*([^{]+)\s*\{/g, ') -> $1 {') // Fix struct/impl blocks .replace(/\{\s*([a-zA-Z])/g, '{\n $1') .replace(/([^}\n])\s*\}/g, '$1\n}') .replace(/\n{3,}/g, '\n\n') .trim(); } /** * Format JSON code */ function formatJsonCode(code) { try { // Try to parse and reformat JSON const parsed = JSON.parse(code); return JSON.stringify(parsed, null, 2); } catch { // If not valid JSON, just clean up basic formatting return code .replace(/\{\s*"/g, '{\n "') .replace(/",\s*"/g, '",\n "') .replace(/\}\s*,/g, '\n},') .replace(/\n{3,}/g, '\n\n') .trim(); } } /** * Generic code formatting for other languages. * Applies basic formatting rules for unrecognized languages. * * @function formatGenericCode * @param {string} code - Raw code in any language * @returns {string} Formatted code with basic improvements * * @description * Applies minimal formatting: * - Basic brace positioning * - Removes excessive blank lines * - Trims whitespace * * Used as fallback when language-specific formatter unavailable. * * @example * const formatted = formatGenericCode('function() {return true}'); * // Returns code with improved brace positioning */ function formatGenericCode(code) { return code // Basic brace formatting .replace(/\{\s*([a-zA-Z])/g, '{\n $1') .replace(/([^}\n])\s*\}/g, '$1\n}') // Basic function-like patterns .replace(/\)\s*\{/g, ') {') // Clean up spacing .replace(/\n{3,}/g, '\n\n') .trim(); } /** * Fix internal documentation links for Mintlify's product-based structure. * Only processes non-code content, preserving links in code blocks. * * @function fixInternalLinks * @param {string} content - Markdown content with internal links * @param {string} version - Target version (e.g., 'next', 'v0.50') * @param {string} [product='generic'] - Product name for namespacing * @returns {string} Content with updated internal links * * @description * Cleans up Docusaurus-specific patterns: * - Removes Docusaurus-specific "Direct link" anchor links * - Removes heading ID anchors (e.g., {#my-anchor}) * * Note: All relative link resolution (../, ./, implicit paths) is handled by * the AST-based createLinkFixerPlugin which properly resolves paths using the * source file location. File extension removal and product/version prefixing * are also handled by the AST plugin. * * Link transformation examples: * - [](#heading "Direct link to Heading") → (removed) * - # Heading {#my-anchor} → # Heading * * @example * const fixed = fixInternalLinks( * 'markdown with relative link', * 'v0.50', * 'sdk' * ); * // Returns markdown with absolute versioned link */ function fixInternalLinks(content, version, product = 'generic') { return safeProcessContent(content, (nonCodeContent) => { let result = nonCodeContent; // Remove Docusaurus-specific "Direct link" anchors result = result.replace(/\[\]$#[^)]+\s+"Direct link to[^"]+"$/g, ''); // Remove heading anchors {#anchor} result = result.replace(/^(#+\s+.+?)\s*\{#[^}]+\}\s*$/gm, '$1'); // Note: Relative link resolution (../, ./, implicit paths) is handled by // the AST-based createLinkFixerPlugin which properly resolves paths using // the source file location. No need for regex-based link fixing here. return result; }); } /** * Copy static assets (images) from source to target directory. * Recursively copies all image files while preserving directory structure. * * @function copyStaticAssets * @param {string} staticPath - Source directory containing static assets * @param {string} targetImagesDir - Target directory for images * * @description * Copies image assets with the following features: * - Recursively traverses source directory * - Preserves directory structure in target * - Copies common image formats: png, jpg, jpeg, gif, svg, webp * - Creates target directories as needed * - Skips non-image files * * @example * copyStaticAssets( * '/source/static', * './assets/product/images' * ); * // Copies all images from /source/static to ./assets/product/images */ function copyStaticAssets(staticPath, targetImagesDir) { if (!fs.existsSync(targetImagesDir)) { fs.mkdirSync(targetImagesDir, { recursive: true }); } function copyImages(dir, targetSubDir = '') { const items = fs.readdirSync(dir); for (const item of items) { const sourcePath = path.join(dir, item); const stat = fs.statSync(sourcePath); if (stat.isDirectory()) { // Recursively copy subdirectories const newTargetSubDir = path.join(targetSubDir, item); copyImages(sourcePath, newTargetSubDir); } else if (item.match(/\.(png|jpg|jpeg|gif|svg|webp)$/i)) { // Copy image files const targetPath = path.join(targetImagesDir, 'static', targetSubDir, item); const targetDir = path.dirname(targetPath); if (!fs.existsSync(targetDir)) { fs.mkdirSync(targetDir, { recursive: true }); } fs.copyFileSync(sourcePath, targetPath); console.log(` Copied: static/${targetSubDir}/${item}`); } } } copyImages(staticPath); } /** * Update image paths to use centralized images folder. * Moves images from versioned directories to shared location. * * @function updateImagePaths * @param {string} content - Content with image references * @param {string} sourceRelativePath - Relative path of source file * @param {string} version - Version directory name * @returns {string} Content with updated image paths * * @description * Updates image references to point to centralized images directory: * - Removes version from image paths * - Handles both markdown and HTML image syntax * - Preserves relative path structure within images folder * * Path transformation: * - Local images to centralized dirname path * - Parent directory images to root images path * * @example * const updated = updateImagePaths( * 'markdown with local image reference', * 'learn/intro.md', * 'v0.50' * ); * // Returns markdown with centralized image path */ function updateImagePaths(content, sourceRelativePath, version) { let result = content; // Calculate the depth of the source file to determine relative path to images const sourceDepth = sourceRelativePath.split('/').length - 1; const pathToRoot = sourceDepth > 0 ? '../'.repeat(sourceDepth) : './'; // Images are at the same level as version directories (e.g., sdk/images/) const pathToImages = `${pathToRoot}../images/`; // Update local image references (./image.png or ../image.png) // Match both markdown images ![alt](path) and HTML img tags result = result.replace(/(!\[[^\]]*\]\()(\.\.\/|\.\/)([^)]+\.(png|jpg|jpeg|gif|svg|webp))/gi, (match, prefix, relative, imagePath) => { const imageName = path.basename(imagePath); const imageDir = path.dirname(imagePath); const sourceDir = path.dirname(sourceRelativePath); // Strip numbered prefixes from source directory for clean image paths const cleanSourceDir = sourceDir.replace(/\/(\d+-)/g, '/').replace(/^(\d+-)/, ''); if (relative === './' && imageDir === '.') { // Image in same directory as markdown return `${prefix}${pathToImages}${cleanSourceDir}/${imageName}`; } else if (relative === '../') { // Image in parent directory const parentSourceDir = path.dirname(cleanSourceDir); return `${prefix}${pathToImages}${parentSourceDir}/${imagePath}`; } else { // Image in subdirectory return `${prefix}${pathToImages}${cleanSourceDir}/${imagePath}`; } }); // Update HTML img tags result = result.replace(/(]+src=")(\.\.\/|\.\/)([^"]+\.(png|jpg|jpeg|gif|svg|webp))/gi, (match, prefix, relative, imagePath) => { const imageName = path.basename(imagePath); const imageDir = path.dirname(imagePath); if (imageDir === '.') { const sourceDir = path.dirname(sourceRelativePath); // Strip numbered prefixes from source directory for clean image paths const cleanSourceDir = sourceDir.replace(/\/(\d+-)/g, '/').replace(/^(\d+-)/, ''); return `${prefix}${pathToImages}${cleanSourceDir}/${imageName}`; } else { return `${prefix}${pathToImages}${imagePath}`; } }); // Handle references to /img/ or /static/ folders (from Docusaurus static folder) result = result.replace(/(!\[[^\]]*\]\()(\/(img|static)\/[^)]+\.(png|jpg|jpeg|gif|svg|webp))/gi, (match, prefix, imagePath) => { // Convert /img/file.png to images/static/img/file.png // Convert /static/file.png to images/static/file.png const cleanPath = imagePath.startsWith('/') ? imagePath.slice(1) : imagePath; return `${prefix}${pathToImages}static/${cleanPath.replace(/^static\//, '')}`; }); // Handle HTML img tags with /img/ or /static/ paths result = result.replace(/(]+src=")(\/(img|static)\/[^"]+\.(png|jpg|jpeg|gif|svg|webp))/gi, (match, prefix, imagePath) => { const cleanPath = imagePath.startsWith('/') ? imagePath.slice(1) : imagePath; return `${prefix}${pathToImages}static/${cleanPath.replace(/^static\//, '')}`; }); // Handle GitHub raw content URLs (keep them as-is) // These don't need updating as they're external URLs return result; } /** * Content-based migration cache system. * Implements SHA-256 checksumming to detect duplicate content across versions, * significantly improving performance by processing identical content only once. * * @namespace migrationCache * @description * The cache system tracks: * - Content checksums to detect duplicates * - Transformation results to reuse for identical content * - Validation errors per unique content block * - File paths mapped to their content checksums * * This enables efficient processing where identical files across versions * (e.g., v0.47, v0.50, v0.53) are transformed only once but written to * all appropriate locations. * * @example * // Process flow with caching: * // 1. File A in v0.47: Full processing, cached * // 2. File A in v0.50 (identical): Cache hit, skip processing * // 3. File A in v0.53 (modified): Different checksum, full processing */ const migrationCache = { // Map of content checksum → migration result contentCache: new Map(), // Map of content checksum → validation errors validationCache: new Map(), // Map of file path → content checksum fileChecksums: new Map(), /** * Calculate SHA-256 checksum of content */ getChecksum(content) { return crypto.createHash('sha256').update(content, 'utf8').digest('hex'); }, /** * Check if content has been processed before */ hasProcessed(checksum) { return this.contentCache.has(checksum); }, /** * Get cached migration result */ getCachedResult(checksum) { return this.contentCache.get(checksum); }, /** * Cache migration result */ cacheResult(checksum, result) { this.contentCache.set(checksum, result); }, /** * Get cached validation errors */ getCachedValidation(checksum) { return this.validationCache.get(checksum) || []; }, /** * Cache validation errors */ cacheValidation(checksum, errors) { this.validationCache.set(checksum, errors); }, /** * Track file checksum */ trackFile(filepath, checksum) { this.fileChecksums.set(filepath, checksum); }, /** * Get statistics */ getStats() { return { uniqueContent: this.contentCache.size, totalFiles: this.fileChecksums.size, duplicates: this.fileChecksums.size - this.contentCache.size }; }, /** * Clear cache */ clear() { this.contentCache.clear(); this.validationCache.clear(); this.fileChecksums.clear(); } }; // Global issue tracker for reporting const migrationIssues = { warnings: [], errors: [], info: [], currentFile: '', processedFiles: new Set(), addWarning(line, issue, suggestion = '') { this.warnings.push({ file: this.currentFile, line, issue, suggestion }); }, addRemoval(message, details) { this.info.push({ file: this.currentFile, message, details }); }, addError(line, issue, suggestion = '') { this.errors.push({ file: this.currentFile, line, issue, suggestion }); }, setCurrentFile(filepath) { this.currentFile = filepath; }, reset() { this.warnings = []; this.errors = []; this.currentFile = ''; this.processedFiles.clear(); }, generateReport() { const totalIssues = this.warnings.length + this.errors.length; if (totalIssues === 0) return ''; let report = '\n' + '='.repeat(80) + '\n'; report += ' MIGRATION REPORT\n'; report += '='.repeat(80) + '\n\n'; if (this.errors.length > 0) { report += ` ERRORS (${this.errors.length}) - These need manual fixes:\n`; report += '-'.repeat(40) + '\n'; const errorsByFile = {}; this.errors.forEach(err => { if (!errorsByFile[err.file]) errorsByFile[err.file] = []; errorsByFile[err.file].push(err); }); Object.entries(errorsByFile).forEach(([file, errors]) => { report += `\n ${file}:\n`; errors.forEach(err => { report += ` Line ${err.line}: ${err.issue}\n`; if (err.suggestion) { report += ` Suggestion: ${err.suggestion}\n`; } }); }); report += '\n'; } if (this.warnings.length > 0) { report += ` WARNINGS (${this.warnings.length}) - Automatically handled but please verify:\n`; report += '-'.repeat(40) + '\n'; const warningsByFile = {}; this.warnings.forEach(warn => { if (!warningsByFile[warn.file]) warningsByFile[warn.file] = []; warningsByFile[warn.file].push(warn); }); Object.entries(warningsByFile).forEach(([file, warnings]) => { report += `\n ${file}:\n`; warnings.forEach(warn => { report += ` Line ${warn.line}: ${warn.issue}\n`; if (warn.suggestion) { report += ` Applied: ${warn.suggestion}\n`; } }); }); } // Report removed content that couldn't be safely converted if (this.info.length > 0) { report += `REMOVED CONTENT (${this.info.length}) - Content that was removed:\n`; report += '-'.repeat(40) + '\n'; const infoByFile = {}; this.info.forEach(info => { if (!infoByFile[info.file]) infoByFile[info.file] = []; infoByFile[info.file].push(info); }); Object.entries(infoByFile).forEach(([file, infos]) => { report += `\n${file}:\n`; infos.forEach(info => { report += ` ${info.message}: ${info.details}\n`; }); }); report += '\n'; } report += '\n' + '='.repeat(80) + '\n'; report += `Summary: ${this.errors.length} errors, ${this.warnings.length} warnings`; if (this.info.length > 0) { report += `, ${this.info.length} removals`; } report += '\n'; report += '='.repeat(80) + '\n'; return report; } }; /** * Fix common MDX parsing issues while preserving all code content. * Applies automatic fixes for known Docusaurus to Mintlify incompatibilities. * * @function fixMDXIssues * @param {string} content - The markdown content to fix * @param {string} [filepath=''] - Path to file being processed (for error context) * @returns {string} Fixed content with MDX issues resolved * * @description * Automatic fixes applied (in order): * 1. Escape underscores in table cells for proper rendering * 2. Fix invalid JSX comment escaping * 3. Fix expressions with hyphens that break JSX parsing * 4. Convert double backticks to single backticks * 5. Convert HTML comments to JSX comments * 6. Escape template variables outside code to inline code * 7. Fix unclosed braces in expressions * 8. Convert

to for Mintlify * 9. Fix backticks in link text for proper MDX rendering * * All transformations use safeProcessContent() to preserve code blocks. * Error reporting is handled separately in validateMDXContent(). * * @see {@link safeProcessContent} - For code block preservation * @see {@link validateMDXContent} - For error reporting */ function fixMDXIssues(content, filepath = '') { // No error reporting in this function - only fixes // Error reporting is done in validateMDXContent() // ALL transformations happen inside safeProcessContent // This ensures code blocks are completely untouched return safeProcessContent(content, (nonCodeContent) => { // CRITICAL FIX 1: Escape underscores in table cells (epochs_number -> epochs\\_number) // This must be done FIRST before any other processing nonCodeContent = nonCodeContent.replace(/(\|[^|]*?)([a-zA-Z]+)_([a-zA-Z]+)([^|]*?\|)/g, (match, before, word1, word2, after) => { // Escape underscores within table cells (including placeholders - we handle them later) return `${before}${word1}\\_${word2}${after}`; }); // CRITICAL FIX 1b: Escape template variables and JSON objects in table cells // This prevents acorn parsing errors for content like {"denom":"uatom"} nonCodeContent = nonCodeContent.replace(/(\|[^|\n]*)(\{[^}|\n]+\})([^|\n]*\|)/g, (match, before, templateVar, after) => { // Wrap template variables and JSON in backticks within table cells return `${before}\`${templateVar}\`${after}`; }); // Fix invalid JSX comments with escaped characters // Handle complete escaped comments: {/\*...\*/} nonCodeContent = nonCodeContent.replace(/\{\/\\\*([^}]*)\\\*\/\}/g, (match, content) => { return '{/* ' + content.trim() + ' */}'; }); // Handle partial escaped comment starts: {/\* nonCodeContent = nonCodeContent.replace(/\{\/\\\*/g, '{/*'); // Handle partial escaped comment ends: \*/} nonCodeContent = nonCodeContent.replace(/\\\*\/\}/g, '*/}'); // Fix unclosed JSX comments - ensure all {/* have matching */} nonCodeContent = nonCodeContent.replace(/\{\/\*([^*]|\*(?!\/))*$/gm, (match) => { // Add closing */} if missing return match + ' */}'; }); // Fix orphaned comment closings */} without opening {/* nonCodeContent = nonCodeContent.replace(/^[^{]*\*\/\}/gm, (match) => { // Add opening {/* if missing return '{/* ' + match; }); // Fix HTML elements with hyphens in tag names (e.g., ) // Convert to PascalCase for JSX compatibility nonCodeContent = nonCodeContent.replace(/<([a-z]+(?:-[a-z]+)+)([^>]*>)/gi, (match, tagName, rest) => { // Skip if already in backticks if (match.includes('`')) return match; // Convert kebab-case to PascalCase const pascalCase = tagName.split('-') .map(part => part.charAt(0).toUpperCase() + part.slice(1)) .join(''); return `<${pascalCase}${rest}`; }); // Also convert closing tags nonCodeContent = nonCodeContent.replace(/<\/([a-z]+(?:-[a-z]+)+)>/gi, (match, tagName) => { const pascalCase = tagName.split('-') .map(part => part.charAt(0).toUpperCase() + part.slice(1)) .join(''); return ``; }); // Fix expressions with hyphens that break JSX parsing nonCodeContent = nonCodeContent.replace(/`([^`]*<[^>]*-[^>]*>[^`]*)`/g, (match, content) => { if (content.match(/<-+>/)) { return '`' + content + '`'; } return match; }); // Fix double backticks to single backticks nonCodeContent = nonCodeContent.replace(/``([^`]+)``/g, (match, content) => { return '`' + content + '`'; }); // Convert HTML comments to JSX comments, handling incomplete ones nonCodeContent = nonCodeContent.replace(//gs, '{/* $1 */}'); // Handle incomplete HTML comments that never close nonCodeContent = nonCodeContent.replace(/)(?=\n|$)/g, '{/* $1 */}'); // Convert URLs in angle brackets to proper markdown links nonCodeContent = nonCodeContent.replace(/<(https?:\/\/[^>]+)>/g, '[Link]($1)'); // Fix arrow operators and comparison operators that break parsing // Don't wrap if it's already in backticks or part of HTML tag nonCodeContent = nonCodeContent.replace(/(?)(?!`)/g, '`$1`'); nonCodeContent = nonCodeContent.replace(/(?)(?!`)/g, '`$1`'); // Fix version markers like **<= v0.45**: (must be done BEFORE general <= replacement) nonCodeContent = nonCodeContent.replace(/\*\*<=\s*v([\d.]+)\*\*:/g, '**v$1 and earlier**:'); nonCodeContent = nonCodeContent.replace(/\*\*>=\s*v([\d.]+)\*\*:/g, '**v$1 and later**:'); // Fix comparison operators in text (not in markdown emphasis) nonCodeContent = nonCodeContent.replace(/(\s)(<=)(\s)/g, '$1`$2`$3'); nonCodeContent = nonCodeContent.replace(/(\s)(>=)(\s)/g, '$1`$2`$3'); // Fix block quotes with template variables (lazy line issue) // Replace template variables at the end of block quotes nonCodeContent = nonCodeContent.replace(/(^>.*\n>.*\n>.*\n)(>\s*\{[^}]+\})/gm, (match, quote, templateLine) => { // Convert the template line to a regular line (not part of quote) const template = templateLine.replace(/^>\s*/, ''); return quote + '\n' + template.replace(/\{([^}]+)\}/, '`{$1}`'); }); // CRITICAL FIX 5: Fix orphaned closing tags by removing them // First pass: identify and remove orphaned closing tags const lines = nonCodeContent.split('\n'); const processedLines = []; const tagStack = []; for (let i = 0; i < lines.length; i++) { const line = lines[i]; // Check for opening tags const openingMatch = line.match(/<(Info|Warning|Note|Tip|Check|Accordion|details|Expandable)\b[^>]*>/); if (openingMatch) { tagStack.push({ tag: openingMatch[1], line: i }); processedLines.push(line); continue; } // Check for closing tags const closingMatch = line.match(/^\s*<\/(Info|Warning|Note|Tip|Check|Accordion|details|Expandable)>/); if (closingMatch) { const tagName = closingMatch[1]; // Find matching opening tag in stack let foundMatch = false; for (let j = tagStack.length - 1; j >= 0; j--) { if (tagStack[j].tag === tagName) { // Found matching opening tag, remove from stack tagStack.splice(j, 1); foundMatch = true; break; } } if (foundMatch) { processedLines.push(line); // Keep the closing tag } else { // Orphaned closing tag - remove it } } else { processedLines.push(line); } } // Check for unclosed opening tags if (tagStack.length > 0) { tagStack.forEach(({ tag, line }) => { processedLines.push(``); }); } nonCodeContent = processedLines.join('\n'); // Convert any remaining

tags that weren't caught by AST processing // IMPORTANT: Make sure to close the Expandable tag properly nonCodeContent = nonCodeContent.replace( /]*>\s*]*>(.*?)<\/summary>\s*([\s\S]*?)(<\/details>|$)/gi, (match, summary, content, closingTag) => { // Only add closing tag if we found

const expandableClose = closingTag.includes('

') ? '' : ''; return `\n${content.trim()}\n${expandableClose}`; } ); // Fix unclosed placeholder tags - convert to inline code nonCodeContent = nonCodeContent.replace(/<(appd|simd|gaiad|osmosisd|junod|yourapp|module)>/g, '`$1`'); // Wrap template variables and expressions in backticks to avoid JSX parsing issues // But be careful not to double-wrap already wrapped content nonCodeContent = nonCodeContent // 1. Complete paths with template variables: /path{vars} → `/path{vars}` .replace(/(\/[a-zA-Z][a-zA-Z0-9/._-]*\{[^}]+\})/g, (match) => { // Check if already wrapped in backticks const beforeMatch = nonCodeContent.substring(0, nonCodeContent.indexOf(match)); const lastChar = beforeMatch[beforeMatch.length - 1]; if (lastChar === '`') return match; // Already wrapped return '`' + match + '`'; }) // 2. Template variables that look like placeholders .replace(/\{([a-zA-Z_][\w\s]*)\}/g, (match, content) => { if (content.includes('/*') || content.includes('*/')) return match; const pos = nonCodeContent.indexOf(match); if (pos > 0 && nonCodeContent[pos - 1] === '`') return match; if (match.includes('__INLINE_CODE_') || match.includes('__CODE_BLOCK_')) return match; return '`' + match + '`'; }) // 3. Fix template expressions with periods that break acorn parsing // e.g., {module.path} or {params.value} .replace(/\{([a-zA-Z_][\w]*\.[\w.]+)\}/g, (match) => { // Check if already wrapped const pos = nonCodeContent.indexOf(match); if (pos > 0 && nonCodeContent[pos - 1] === '`') return match; return '`' + match + '`'; }) // 4. Fix array/object access patterns that break acorn // e.g., {data[0]} or {obj['key']} .replace(/\{([a-zA-Z_][\w]*\[[^\]]+\])\}/g, (match) => { const pos = nonCodeContent.indexOf(match); if (pos > 0 && nonCodeContent[pos - 1] === '`') return match; return '`' + match + '`'; }) // Fix malformed HTML tags nonCodeContent = nonCodeContent.replace(/<([a-z][a-z0-9-]*)\s+([^>]+?)>/gi, (match, tag, content) => { if (!/=/.test(content) && /\s/.test(content)) { return `\`${tag} ${content}\``; } return match; }); // Fix standalone closing tags nonCodeContent = nonCodeContent.replace(/^\s*<\/[^>]+>\s*$/gm, ''); // Fix unclosed tags at the end of lines nonCodeContent = nonCodeContent.replace(/<([a-z][a-z0-9-]*)\s*$/gm, '`<$1>`'); // Remove malformed import statements nonCodeContent = nonCodeContent.replace(/^import\s+[^;]*$/gm, ''); // CRITICAL FIX 5: Fix JSX attributes with hyphens (convert to camelCase) // -> nonCodeContent = nonCodeContent.replace(/<([A-Z][a-zA-Z]*)\s+([^>]+)>/g, (match, component, attrs) => { const fixedAttrs = attrs.replace(/([a-z]+-[a-z-]+)(=)/g, (attrMatch, attrName, equals) => { // Convert kebab-case to camelCase const camelCase = attrName.replace(/-([a-z])/g, (_, letter) => letter.toUpperCase()); return camelCase + equals; }); return `<${component} ${fixedAttrs}>`; }); // CRITICAL FIX 6: Balance unclosed braces in expressions // Find expressions with unbalanced braces and escape them nonCodeContent = nonCodeContent.replace(/\{([^}]*(?:\{[^}]*)*[^}]*)\n/g, (match, expression) => { const openCount = (expression.match(/\{/g) || []).length; const closeCount = (expression.match(/\}/g) || []).length; if (openCount > closeCount) { // Expression has unclosed braces - escape it return '`' + match.trim() + '`\n'; } return match; }); // CRITICAL FIX 7: Fix

to conversion edge cases nonCodeContent = nonCodeContent.replace(/

/gi, ''); nonCodeContent = nonCodeContent.replace(/<\/details>/gi, ''); // CRITICAL FIX 8: Fix backticks inside link text for proper MDX rendering // Pattern: [`code`](link) causes formatting issues in Mintlify // Solution: Remove backticks when the entire link text is code // This prevents underscores and other characters from being misinterpreted nonCodeContent = nonCodeContent.replace(/\[`([^`\]]+)`\]$([^)]+)$/g, '[$1]($2)'); return nonCodeContent; }); } /** * Validate MDX content and report issues that require manual intervention. * This function only reports problems that couldn't be automatically fixed. * * @function validateMDXContent * @param {string} content - The markdown content to validate * @param {string} [filepath=''] - Path to file being processed * @returns {string} The original content (unchanged) * * @description * Validation checks performed: * 1. Double backticks that couldn't be fixed * 2. Unescaped template variables ({var} outside code) * 3. JSX attributes with hyphens converted to camelCase * 4. Invalid JSX comment syntax * 5. Unclosed JSX expressions (missing }) * 6. Unclosed JSX comments * 7. Orphaned or mismatched JSX tags ( without ) * * Uses content fingerprinting to prevent duplicate validation of identical * content across different file paths. * * @example * // Validation happens after all automatic fixes: * let content = fixMDXIssues(rawContent); * content = validateMDXContent(content, 'path/to/file.md'); * // Errors are added to migrationIssues for final report */ function validateMDXContent(content, filepath = '') { // Track current file for error reporting if (filepath) { migrationIssues.setCurrentFile(filepath); // Skip validation if we've already processed this file content const contentHash = content.substring(0, 200); // Simple content fingerprint const fileKey = `${filepath}:${contentHash}`; if (migrationIssues.processedFiles.has(fileKey)) { return content; // Skip duplicate processing } migrationIssues.processedFiles.add(fileKey); } // Use safeProcessContent to only validate non-code content return safeProcessContent(content, (nonCodeContent) => { const lines = nonCodeContent.split('\n'); lines.forEach((line, index) => { const lineNum = index + 1; // Check for remaining double backticks if (/``[^`]+``/.test(line)) { migrationIssues.addError( lineNum, 'Double backticks still present', 'Manually change to single backticks or escape the content' ); } // Check for unescaped template variables outside of backticks // But be more selective - only flag ones that look like actual template variables const templateVarMatch = line.match(/(? letter.toUpperCase())})` ); } // Don't check for orphaned tags line-by-line - this is handled better in the full content check below // Check for invalid JSX comments with backslashes if (/\{\/\\\*|\\\*\/\}/.test(line)) { migrationIssues.addError( lineNum, 'Invalid JSX comment with escaped characters', 'Change to proper JSX comment: {/* content */}' ); } // Check for unclosed JSX expressions (not just any braces) const jsxExprMatch = line.match(/(?]*>`, 'g'); let match; while ((match = tagRegex.exec(fullContent)) !== null) { const isClosing = match[1] === '/'; const tagName = match[2]; if (!isClosing) { // Opening tag tagStack.push({ tag: tagName, index: match.index }); } else { // Closing tag if (tagStack.length === 0 || tagStack[tagStack.length - 1].tag !== tagName) { // Orphaned closing tag or mismatched tag const lineNum = fullContent.substring(0, match.index).split('\n').length; migrationIssues.addError( lineNum, `Orphaned or mismatched closing tag `, 'Check for missing opening tag or remove this closing tag' ); } else { // Matched pair, remove from stack tagStack.pop(); } } } // Check for unclosed opening tags if (tagStack.length > 0) { tagStack.forEach(({ tag, index }) => { const lineNum = fullContent.substring(0, index).split('\n').length; migrationIssues.addError( lineNum, `Unclosed opening tag <${tag}>`, 'Add matching closing tag or remove this opening tag' ); }); } // Return the non-code content unchanged (validation only) return nonCodeContent; }); } /** * Create an AST processor plugin for fixing internal links. * Handles relative paths and versioned documentation links. * * @function createLinkFixerPlugin * @param {string} version - Target version (e.g., 'next', 'v0.50') * @param {string} product - Product name for namespacing (e.g., 'sdk', 'ibc') * @returns {Function} Unified plugin function * * @description * This remark plugin traverses the AST and fixes: * 1. Relative links to absolute paths * 2. Removes .md and .mdx extensions from internal links * 3. Adds product and version namespacing to internal links * 4. Maintains external links and anchors unchanged * * @example * // In AST pipeline: * unified() * .use(createLinkFixerPlugin('v0.50', 'sdk')) * // Transforms: * // ../intro.md becomes /sdk/v0.50/intro * // ./guide.mdx becomes /sdk/v0.50/guide * // /learn/overview.md becomes /sdk/v0.50/learn/overview */ function createLinkFixerPlugin(version, product, sourceFilePath = '') { return () => { return (tree) => { visit(tree, 'link', (node) => { if (!node.url) return; // Skip external links if (node.url.startsWith('http://') || node.url.startsWith('https://')) { return; } // Skip anchor-only links if (node.url.startsWith('#')) { return; } // Get the directory of the source file (relative to doc root) const sourceDir = path.dirname(sourceFilePath || ''); let resolvedPath = node.url; // Handle relative links - properly resolve using path.join and path.normalize if (node.url.startsWith('../') || node.url.startsWith('./')) { // Join the source directory with the relative link const joined = path.join(sourceDir, node.url); // Normalize to resolve .. and . segments resolvedPath = path.normalize(joined); // Ensure it starts with / if (!resolvedPath.startsWith('/')) { resolvedPath = '/' + resolvedPath; } } else if (!node.url.startsWith('/')) { // Implicit relative path (no ./ prefix) resolvedPath = path.join(sourceDir, node.url); if (!resolvedPath.startsWith('/')) { resolvedPath = '/' + resolvedPath; } } else { // Already absolute from doc root resolvedPath = node.url; } // Clean up any Windows-style backslashes resolvedPath = resolvedPath.replace(/\\/g, '/'); // Remove numbered prefixes from the resolved path // Example: /01-learn/02-advanced/intro.md -> /learn/advanced/intro.md resolvedPath = resolvedPath.replace(/\/(\d+-)/g, '/').replace(/^(\d+-)/, ''); // Remove .md or .mdx extensions from internal links resolvedPath = resolvedPath.replace(/\.mdx?(?=#|$)/g, ''); // Add /product/version prefix for internal links if (resolvedPath.startsWith('/') && !resolvedPath.startsWith(`/${product}/`)) { node.url = `/${product}/${version}${resolvedPath}`; } else if (resolvedPath.includes(`/${product}/`) && !resolvedPath.includes(`/${product}/${version}/`)) { // Update existing product links to include version node.url = resolvedPath.replace(`/${product}/`, `/${product}/${version}/`); } else { node.url = resolvedPath; } }); }; }; } /** * Create an AST processor plugin for fixing HTML elements and MDX incompatibilities. * Converts HTML to JSX-compatible syntax for Mintlify. * * @function createHTMLFixerPlugin * @returns {Function} Unified plugin function * * @description * This remark plugin traverses the AST and fixes: * 1. HTML comments to JSX comments * 2. Details tags to Expandable components * 3. Command placeholders to inline code * 4. Comparison operators wrapped in code * 5. Generic placeholders to inline code * * Special handling: * - Preserves content in code blocks and links * - Skips table cells to avoid double-wrapping * - Handles both complete and unclosed tags * * @example * // In AST pipeline: * unified() * .use(createHTMLFixerPlugin()) * // Transforms: * // Transforms HTML comments to JSX format * // Converts details/summary to Expandable components * // Wraps command placeholders in backticks */ function createHTMLFixerPlugin() { return () => { return (tree) => { // Process HTML nodes visit(tree, 'html', (node) => { if (!node.value) return; // Convert HTML comments to JSX comments node.value = node.value.replace(//gs, '{/* $1 */}'); // Convert

tags to Mintlify Expandable if (node.value.includes(']*>\s*]*>(.*?)<\/summary>\s*([\s\S]*?)<\/details>/gi, (match, summary, content) => { return `\n${content.trim()}\n`; }); // Then handle any remaining unclosed details tags // This catches cases where

is in a different node if (node.value.includes('')) { node.value = node.value.replace( /]*>\s*]*>(.*?)<\/summary>\s*([\s\S]*?)$/gi, (match, summary, content) => { // Add Expandable but DON'T add closing tag - it may be in another node return `\n${content.trim()}`; }); } } }); // Process text nodes to fix problematic angle brackets and template variables visit(tree, 'text', (node, index, parent) => { if (!node.value) return; // Skip if inside a code block or link if (parent && (parent.type === 'code' || parent.type === 'inlineCode' || parent.type === 'link')) { return; } // Don't process text in table cells here - we'll handle them properly below if (parent && parent.type === 'tableCell') { return; // Skip table cell text processing } // Fix command placeholders like , node.value = node.value.replace(/<(appd|simd|gaiad|osmosisd|junod|yourapp)>/g, '`$1`'); // Fix comparison operators and arrows // Don't wrap if already in backticks node.value = node.value.replace(/(?)(?!`)/g, '`$1`'); node.value = node.value.replace(/(?)(?!`)/g, '`$1`'); // Fix generic placeholders like , , // Common placeholders that should be wrapped in backticks node.value = node.value.replace(/<(host|port|path|user|pass|module|version|namespace|service)>/g, '`<$1>`'); // Fix hyphenated placeholders node.value = node.value.replace(/<([a-z]+-[a-z]+(?:-[a-z]+)*)>/g, '`<$1>`'); }); // Remove table cell processing - we handle template variables in fixMDXIssues instead // This avoids double-wrapping issues }; }; } /** * Fetch actual code content from GitHub repository URLs. * Converts blob URLs to raw URLs and retrieves file contents. * * @async * @function fetchGitHubCode * @param {string} url - GitHub blob URL to fetch from * @returns {Promise} File content or null if fetch fails * * @description * Transforms GitHub blob URLs to raw.githubusercontent.com URLs * and fetches the actual file content. Used to replace Docusaurus * reference blocks with real code. * * URL transformation: * - github.com domain to raw.githubusercontent.com * - blob path segment removed for raw access * * @example * const url = 'https://github.com/cosmos/cosmos-sdk/blob/main/types/coin.go'; * const code = await fetchGitHubCode(url); * // Returns actual Go code from the file * * @throws {Error} Logs warning if fetch fails but doesn't throw */ async function fetchGitHubCode(url) { try { // Convert GitHub blob URLs to raw URLs const rawUrl = url.replace('github.com', 'raw.githubusercontent.com') .replace('/blob/', '/'); const response = await fetch(rawUrl); if (!response.ok) { throw new Error(`HTTP ${response.status}`); } const content = await response.text(); return content.trim(); } catch (error) { console.warn(`Failed to fetch GitHub code from ${url}: ${error.message}`); return null; } } /** * Create an AST processor plugin for enhancing code blocks. * Handles reference URLs, adds expandable attributes, and detects languages. * * @function createCodeBlockEnhancerPlugin * @returns {Function} Async unified plugin function * * @description * This async remark plugin enhances code blocks by: * 1. Detecting and fetching GitHub reference URLs * 2. Adding 'expandable' attribute for blocks >10 lines * 3. Auto-detecting language from code content * 4. Formatting code based on language * 5. Removing 'reference' keyword from metadata * * Reference handling: * - Detects single-line GitHub URLs in code blocks * - Fetches actual code for 'go' language blocks * - Converts to comments for other languages * * Language detection based on common patterns: * - Go: package declarations, func keywords * - JavaScript: const, let, function, arrow functions * - Python: def, class keywords * - Bash: shell commands and scripts * - JSON: object notation * - Protobuf: message and service definitions * * @example * // In AST pipeline: * unified() * .use(createCodeBlockEnhancerPlugin()) * // Fetches GitHub references and enhances code blocks */ function createCodeBlockEnhancerPlugin() { return () => { return async (tree, file) => { const codeNodes = []; visit(tree, 'code', (node) => { codeNodes.push(node); }); // Process code nodes with potential async operations for (const node of codeNodes) { let isReferenceBlock = false; // Handle Docusaurus "reference" syntax by detecting URL-only content // Check if the code block contains just a GitHub URL (reference pattern) if (node.value && node.value.trim().startsWith('https://github.com/') && node.value.trim().split('\n').length === 1) { isReferenceBlock = true; const url = node.value.trim(); const lang = node.lang || 'text'; // Try to fetch actual content for go reference blocks if (lang === 'go' || lang === 'golang') { const fetchedContent = await fetchGitHubCode(url); if (fetchedContent) { node.value = fetchedContent; } else { node.value = `// Reference: ${url}`; } } else { // For other languages, convert to comment with the reference URL preserved if (lang === 'protobuf' || lang === 'proto') { node.value = `// Reference: ${url}`; } else if (lang === 'javascript' || lang === 'js' || lang === 'typescript' || lang === 'ts') { node.value = `// Reference: ${url}`; } else if (lang === 'python' || lang === 'py') { node.value = `# Reference: ${url}`; } else if (lang === 'bash' || lang === 'shell' || lang === 'sh') { node.value = `# Reference: ${url}`; } else { // Default to comment style node.value = `// Reference: ${url}`; } } } // Remove any "reference" from meta as well if (node.meta && node.meta.includes('reference')) { node.meta = node.meta.replace('reference', '').trim(); } // Add expandable to long code blocks (but not to reference blocks that became comments) if (node.value && node.value.split('\n').length > 10) { // Skip adding expandable to reference blocks that became single-line comments const isShortReference = isReferenceBlock && (node.value.startsWith('// Reference:') || node.value.startsWith('# Reference:')) && node.value.split('\n').length <= 2; if (!isShortReference && (!node.meta || !node.meta.includes('expandable'))) { node.meta = node.meta ? `${node.meta} expandable` : 'expandable'; } } // Ensure language is specified by detecting content if (!node.lang && node.value) { const codeContent = node.value.toLowerCase(); if (codeContent.includes('package ') || codeContent.includes('func ') || codeContent.includes('import "') || codeContent.includes('interface{')) { node.lang = 'go'; } else if (codeContent.includes('const ') || codeContent.includes('let ') || codeContent.includes('function ') || codeContent.includes('=> ')) { node.lang = 'javascript'; } else if (codeContent.includes('#!/bin/bash') || codeContent.includes('echo ') || codeContent.includes('npm ') || codeContent.includes('yarn ')) { node.lang = 'bash'; } else if (codeContent.includes('def ') || codeContent.includes('class ')) { node.lang = 'python'; } else if (codeContent.trim().startsWith('{') && codeContent.includes('"')) { node.lang = 'json'; } else if (codeContent.includes('message ') || codeContent.includes('service ')) { node.lang = 'protobuf'; } } // Format the code content if we have formatting functions available if (node.lang && node.value) { const formatted = formatCodeByLanguage(node.lang, node.value); if (formatted !== node.value) { node.value = formatted; } } } }; }; } /** * Format code content based on the programming language. * Delegates to language-specific formatters. * * @function formatCodeByLanguage * @param {string} lang - Language identifier (go, js, json, etc.) * @param {string} code - Raw code content to format * @returns {string} Formatted code or original if no formatter available * * @description * Routes code to appropriate language-specific formatter: * - Go/Golang uses formatGoCode() * - JavaScript/TypeScript uses formatJavaScriptCode() * - JSON/JSONC uses formatJsonCode() * - Others return unchanged * * @example * const formatted = formatCodeByLanguage('go', 'func main(){fmt.Println("hello")}'); * // Returns properly formatted Go code */ function formatCodeByLanguage(lang, code) { switch (lang.toLowerCase()) { case 'go': case 'golang': return formatGoCode(code); case 'javascript': case 'js': case 'typescript': case 'ts': return formatJavaScriptCode(code); case 'json': case 'jsonc': return formatJsonCode(code); default: return code; } } /** * Process markdown content using AST transformations for accuracy. * Orchestrates all AST-based plugins in the correct order. * * @async * @function processMarkdownWithAST * @param {string} content - Raw markdown content * @param {string} version - Target version for link fixing * @param {string} product - Product name for link namespacing * @param {string} [sourceFilePath=''] - Source file path relative to doc root * @returns {Promise} Transformed markdown content * * @description * Creates a unified processor pipeline with: * 1. remarkParse - Parse markdown to AST * 2. remarkGfm - Enable GitHub Flavored Markdown (tables, etc.) * 3. createLinkFixerPlugin - Fix internal links (with proper path resolution) * 4. createHTMLFixerPlugin - Convert HTML to JSX * 5. createCodeBlockEnhancerPlugin - Enhance code blocks * 6. remarkStringify - Convert AST back to markdown * * Falls back to original content if AST processing fails, * logging a warning but not breaking the conversion. * * @example * const processed = await processMarkdownWithAST( * '# Title\n\nContent with [link](../other.md)', * 'v0.50', * 'sdk', * 'learn/advanced/staking.md' * ); * // Returns markdown with fixed links and enhanced code blocks */ async function processMarkdownWithAST(content, version, product, sourceFilePath = '') { try { const processor = unified() .use(remarkParse) .use(remarkGfm) // Enable GitHub Flavored Markdown for proper table parsing .use(createLinkFixerPlugin(version, product, sourceFilePath)) .use(createHTMLFixerPlugin()) .use(createCodeBlockEnhancerPlugin()) .use(remarkStringify); const file = await processor.process(content); return String(file); } catch (error) { console.warn('AST processing failed, falling back to regex:', error.message); console.warn('Error details:', error); return content; } } /** * Convert a single Docusaurus markdown file to Mintlify MDX format. * This is the main conversion pipeline that orchestrates all transformations. * * @async * @function convertDocusaurusToMintlify * @param {string} content - Raw Docusaurus markdown content * @param {Object} [options={}] - Conversion options * @param {string} [options.version='next'] - Version directory (e.g., 'v0.50', 'next') * @param {string} [options.product='generic'] - Product name for link resolution (REQUIRED) * @param {boolean} [options.keepTitle=false] - Whether to keep H1 in content * @param {string} [options.filepath=''] - Source file path for error reporting * @returns {Promise

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