43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
/**
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* @typedef {import('mdast').Root} Root
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* @typedef {import('micromark-extension-mdxjs').Options} MicromarkOptions
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* @typedef {import('mdast-util-mdx').ToMarkdownOptions} ToMarkdownOptions
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* @typedef {import('mdast-util-mdx')} DoNotTouchAsThisIncludesMdxInTree
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*/
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/**
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* @typedef {MicromarkOptions & ToMarkdownOptions} Options
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* Configuration.
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*/
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import {mdxjs} from 'micromark-extension-mdxjs'
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import {mdxFromMarkdown, mdxToMarkdown} from 'mdast-util-mdx'
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/**
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* Plugin to support MDX (import/exports: `export {x} from 'y'`; expressions:
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* `{1 + 1}`; and JSX: `<Video id={123} />`).
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*
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* @this {import('unified').Processor}
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* @type {import('unified').Plugin<[Options | null | undefined] | [], Root>}
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*/
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export default function remarkMdx(options) {
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const data = this.data()
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add('micromarkExtensions', mdxjs(options))
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add('fromMarkdownExtensions', mdxFromMarkdown())
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add('toMarkdownExtensions', mdxToMarkdown(options))
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/**
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* @param {string} field
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* @param {unknown} value
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*/
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function add(field, value) {
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const list = /** @type {Array<unknown>} */ (
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// Other extensions
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/* c8 ignore next 2 */
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data[field] ? data[field] : (data[field] = [])
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)
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list.push(value)
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}
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}
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