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3fc47938a5
* Polish code style Signed-off-by: Josh-Cena <sidachen2003@gmail.com> * Partly done migration Signed-off-by: Josh-Cena <sidachen2003@gmail.com> * Complete typing Signed-off-by: Josh-Cena <sidachen2003@gmail.com> * Fix tests Signed-off-by: Josh-Cena <sidachen2003@gmail.com> * A-ha Signed-off-by: Josh-Cena <sidachen2003@gmail.com> * Cleanup Signed-off-by: Josh-Cena <sidachen2003@gmail.com> * Fix error Signed-off-by: Josh-Cena <sidachen2003@gmail.com> * Cleanup Signed-off-by: Josh-Cena <sidachen2003@gmail.com>
49 lines
1.5 KiB
TypeScript
49 lines
1.5 KiB
TypeScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import markdown from 'remark-parse';
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import toJsx from '@mapbox/hast-util-to-jsx';
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import unified from 'unified';
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import parse from 'rehype-parse';
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import visit from 'unist-util-visit';
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import remarkStringify from 'remark-stringify';
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import htmlTags from 'html-tags';
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import toText from 'hast-util-to-string';
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import type {Code, InlineCode} from 'mdast';
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const tags = htmlTags.reduce((acc: {[key: string]: boolean}, tag) => {
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acc[tag] = true;
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return acc;
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}, {});
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export default function sanitizeMD(code: string): string {
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const markdownTree = unified().use(markdown).parse(code);
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visit(markdownTree, 'code', (node: Code) => {
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node.value = `\n<!--${node.value}-->\n`;
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});
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visit(markdownTree, 'inlineCode', (node: InlineCode) => {
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node.value = `<!--${node.value}-->`;
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});
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const markdownString = unified()
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.use(remarkStringify, {fence: '`', fences: true})
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.stringify(markdownTree);
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const htmlTree = unified().use(parse).parse(markdownString);
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visit(htmlTree, 'element', (node: any) => {
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if (!tags[node.tagName as string]) {
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node.type = 'text';
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node.value = node.tagName + toText(node);
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delete node.children;
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delete node.tagName;
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}
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});
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return toJsx(htmlTree)
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.replace(/\{\/\*|\*\/\}/g, '')
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.replace(/\{\/\*|\*\/\}/g, '')
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.replace(/<html><head \/><body>|<\/body><\/html>/g, '');
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}
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