58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
/**
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* @typedef {import('micromark-util-types').CompileContext} CompileContext
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* @typedef {import('micromark-util-types').Handle} Handle
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* @typedef {import('micromark-util-types').HtmlExtension} HtmlExtension
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* @typedef {import('micromark-util-types').TokenType} TokenType
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* @typedef {import('./to-matters.js').Options} Options
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*/
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import {toMatters} from './to-matters.js'
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/**
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* Create an extension for `micromark` to support frontmatter when serializing
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* to HTML.
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*
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* > 👉 **Note**: this makes sure nothing is generated in the output HTML for
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* > frontmatter.
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*
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* @param {Options | null | undefined} [options='yaml']
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* Configuration (default: `'yaml'`).
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* @returns {HtmlExtension}
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* Extension for `micromark` that can be passed in `htmlExtensions`, to
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* support frontmatter when serializing to HTML.
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*/
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export function frontmatterHtml(options) {
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const matters = toMatters(options)
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/** @type {HtmlExtension['enter']} */
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const enter = {}
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/** @type {HtmlExtension['exit']} */
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const exit = {}
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let index = -1
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while (++index < matters.length) {
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const type = /** @type {TokenType} */ matters[index].type
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enter[type] = start
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exit[type] = end
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}
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return {
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enter,
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exit
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}
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/**
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* @this {CompileContext}
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* @type {Handle}
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*/
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function start() {
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this.buffer()
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}
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/**
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* @this {CompileContext}
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* @type {Handle}
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*/
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function end() {
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this.resume()
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this.setData('slurpOneLineEnding', true)
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}
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}
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