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Tony
4618a9803a
* docs: format docs * docs: Fix URLs in website documentation * chore: bring back mdast formatter * docs: format docs * docs: remove heading id in jsx component * docs: fix heading level * chore: update remark formatter plugins * chore: Update dependabot ignore list
82 lines
2.5 KiB
JavaScript
82 lines
2.5 KiB
JavaScript
/**
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* Fork of https://github.com/syntax-tree/mdast-util-to-markdown/blob/8ce8dbf681a29f0f33db91bcfffdabeb9345d609/lib/handle/heading.js
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* v1.5.0
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*/
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/**
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* @typedef {import('mdast').Heading} Heading
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* @typedef {import('../types.js').Parent} Parent
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* @typedef {import('../types.js').State} State
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* @typedef {import('../types.js').Info} Info
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*/
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// import { formatHeadingAsSetext } from "../util/format-heading-as-setext.js";
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/**
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* @param {Heading} node
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* @param {Parent | undefined} _
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* @param {State} state
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* @param {Info} info
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* @returns {string}
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*/
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export function heading(node, _, state, info) {
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const rank = Math.max(Math.min(6, node.depth || 1), 1);
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const tracker = state.createTracker(info);
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// if (formatHeadingAsSetext(node, state)) {
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// const exit = state.enter("headingSetext");
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// const subexit = state.enter("phrasing");
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// const value = state.containerPhrasing(node, {
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// ...tracker.current(),
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// before: "\n",
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// after: "\n",
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// });
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// subexit();
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// exit();
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// return (
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// value +
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// "\n" +
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// (rank === 1 ? "=" : "-").repeat(
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// // The whole size…
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// value.length -
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// // Minus the position of the character after the last EOL (or
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// // 0 if there is none)…
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// (Math.max(value.lastIndexOf("\r"), value.lastIndexOf("\n")) + 1),
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// )
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// );
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// }
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const sequence = '#'.repeat(rank);
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const exit = state.enter('headingAtx');
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const subexit = state.enter('phrasing');
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// Note: for proper tracking, we should reset the output positions when there
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// is no content returned, because then the space is not output.
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// Practically, in that case, there is no content, so it doesn’t matter that
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// we’ve tracked one too many characters.
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tracker.move(sequence + ' ');
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let value = state.containerPhrasing(node, {
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before: '# ',
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after: '\n',
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...tracker.current(),
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});
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if (/^[\t ]/.test(value)) {
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// To do: what effect has the character reference on tracking?
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value = '&#x' + value.charCodeAt(0).toString(16).toUpperCase() + ';' + value.slice(1);
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}
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value = value ? sequence + ' ' + value + (node.data?.id ? ' {#' + node.data?.id + '}' : '') : sequence;
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if (state.options.closeAtx) {
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value += ' ' + sequence;
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}
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subexit();
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exit();
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return value;
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}
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