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import { readFileSync, readdirSync, writeFileSync } from 'node:fs'
import path from 'node:path'
import {
EXAMPLES_DIRECTORY,
getTSConfig,
hasTSXExtension,
tsExtensionRegex
} from './compileExamples'
const placeholderRegex =
/\{\/\* START: (.*?) \*\/\}([\s\S]*?)\{\/\* END: \1 \*\/\}/g
const collectMarkdownFiles = (
directory: string,
files: { path: string; content: string }[] = []
) => {
readdirSync(directory, {
withFileTypes: true
}).forEach(entry => {
const filePath = path.join(directory, entry.name)
if (entry.isDirectory()) {
collectMarkdownFiles(filePath, files)
} else if (/\.mdx?$/.test(entry.name)) {
const content = readFileSync(filePath, 'utf-8')
if (content.match(placeholderRegex)) {
files.push({ path: filePath, content })
}
}
})
return files
}
const insertCodeExamples = (examplesDirectory: string) => {
const frontMatterRegex = /---\s*[\s\S]*?---/
const markdownFilesPaths = collectMarkdownFiles('docs')
markdownFilesPaths.forEach(({ path: markdownFilePath, content }) => {
const importTabs = content.includes('import Tabs from')
? ''
: `import Tabs from '@theme/Tabs'\n`
const importTabItem = content.includes('import TabItem from')
? ''
: `import TabItem from '@theme/TabItem'\n`
content = content.replace(
frontMatterRegex,
frontMatter => `${frontMatter}\n${importTabs}${importTabItem}`
)
content = content.replace(
placeholderRegex,
(placeholder, tsFileName: string) => {
const isTSX = hasTSXExtension(tsFileName)
const tsFileExtension = isTSX ? 'tsx' : 'ts'
const jsFileExtension = isTSX ? 'jsx' : 'js'
const jsFileName = tsFileName.replace(
tsExtensionRegex,
`.${jsFileExtension}`
)
const tsFilePath = path.join(examplesDirectory, tsFileName)
const jsFilePath = path.join(
examplesDirectory,
getTSConfig(examplesDirectory).compilerOptions.outDir,
tsFileName.replace(tsExtensionRegex, `.${jsFileExtension}`)
)
const tsFileContent = readFileSync(tsFilePath, 'utf-8')
const jsFileContent = readFileSync(jsFilePath, 'utf-8')
return `{/* START: ${tsFileName} */}
<Tabs
groupId='language'
defaultValue='${tsFileExtension}'
values={[
{label: 'TypeScript', value: '${tsFileExtension}'},
{label: 'JavaScript', value: '${jsFileExtension}'},
]}>
<TabItem value='${tsFileExtension}'>
\`\`\`${tsFileExtension} title="${tsFileName}"
${tsFileContent}
\`\`\`
</TabItem>
<TabItem value='${jsFileExtension}'>
\`\`\`${jsFileExtension} title="${jsFileName}"
${jsFileContent}
\`\`\`
</TabItem>
</Tabs>
{/* END: ${tsFileName} */}`
}
)
writeFileSync(markdownFilePath, content)
})
}
insertCodeExamples(EXAMPLES_DIRECTORY)
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