forked from lix-project/lix-website
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
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"use strict";
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const remark = require("remark");
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const findAllAfter = require("unist-util-find-all-after");
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function mdParser (source, opts, result) {
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const htmlInMd = opts.syntax.config.htmlInMd;
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if (!result && (htmlInMd == null || htmlInMd)) {
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result = require("postcss-html/extract")(source, opts, []);
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}
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const ast = remark().parse(source);
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const blocks = findAllAfter(ast, 0, (node) => (
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node.type === "code"
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)).map((block) => {
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if (result && (!block.lang || !/^(?:[sx]?html?|[sx]ht)$/i.test(block.lang))) {
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result = result.filter(styleHtm => {
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return styleHtm.startIndex >= block.position.end.offset ||
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styleHtm.startIndex + styleHtm.content.length <= block.position.start.offset;
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});
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}
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if (block.lang && /^(?:(?:\w*c)|le|wx|sa?|sugar)ss$/i.test(block.lang)) {
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let startIndex = source.indexOf(block.lang, block.position.start.offset) + block.lang.length;
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if (block.value) {
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startIndex = source.indexOf(block.value, startIndex);
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} else {
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startIndex = source.indexOf("\n", startIndex) + 1;
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}
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return {
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startIndex: startIndex,
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lang: block.lang.toLowerCase(),
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isMarkdown: true,
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content: source.slice(startIndex, block.position.end.offset).replace(/[ \t]*`*$/, ""),
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};
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}
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}).filter(Boolean);
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if (result) {
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return result.concat(blocks);
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} else {
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return blocks;
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}
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};
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module.exports = mdParser;
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