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a tool for shared writing and social publishing forked from leaflet.pub/leaflet
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TypeScript
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950import { unified } from "unified";import remarkGfm from "remark-gfm";import remarkParse from "remark-parse";import remarkRehype from "remark-rehype";import rehypeStringify from "rehype-stringify";
import { visit } from "unist-util-visit";import rehypeParse from "rehype-parse";import rehypeRemark from "rehype-remark";import remarkStringify from "remark-stringify";
function remarkTightListify() { return (tree: any) => { visit(tree, "list", (node) => { node.spread = false; for (const child of node.children) { if (child.type === "listItem") { child.spread = false; } } }); };}
export function markdownToHtml(markdown: string): string { markdown = markdown.replace(/\n(?=[^\n])/g, "\n\n"); return String( unified() .use(remarkParse) // Parse markdown content to a syntax tree .use(remarkGfm) .use(remarkRehype) // Turn markdown syntax tree to HTML syntax tree, ignoring embedded HTML .use(rehypeStringify) // Serialize HTML syntax tree .processSync(markdown), );}
export function htmlToMarkdown(html: string): string { return String( unified() .use(rehypeParse) // Parse HTML to a syntax tree .use(rehypeRemark) // Turn HTML syntax tree to markdown syntax tree .use(remarkGfm) .use(remarkTightListify) .use(remarkStringify, { bullet: "-", // change default list marker from '*' }) // Serialize HTML syntax tree .processSync(html), );}