61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
import { unified } from 'unified';
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import remarkParse from 'remark-parse';
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import remarkGfm from 'remark-gfm';
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import remarkRehype, { all } from 'remark-rehype';
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import rehypeRaw from 'rehype-raw';
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const createParser = () => {
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return unified()
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.use(remarkParse)
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.use(remarkGfm)
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.use(remarkRehype, {
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allowDangerousHtml: true,
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handlers: {
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footnoteReference: (h, node) =>
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h(
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node.position,
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'footnoteReference',
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{ identifier: node.identifier, label: node.label },
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[],
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),
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footnoteDefinition: (h, node) =>
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h(
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node.position,
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'footnoteDefinition',
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{ identifier: node.identifier, label: node.label },
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all(h, node),
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),
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},
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})
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.use(rehypeRaw);
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};
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const compilerFactory = (renderer) =>
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function compiler() {
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Object.assign(this, {
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Compiler(tree) {
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return renderer(tree);
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},
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});
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};
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/**
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* Parses a Markdown string and provides the result Abstract
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* Syntax Tree (AST) to a renderer function to convert the
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* tree in any desired representation
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*
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* @param {String} params.markdown Markdown to parse
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* @param {(tree: MDast -> any)} params.renderer A function that accepts mdast
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* AST tree and returns an object of any type that represents the result of
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* rendering the tree. See the references below to for more information
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* about MDast.
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*
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* MDastTree documentation https://github.com/syntax-tree/mdast
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* @returns {Promise<any>} Returns a promise with the result of rendering
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* the MDast tree
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*/
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export const render = async ({ markdown, renderer }) => {
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const { result } = await createParser().use(compilerFactory(renderer)).process(markdown);
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return result;
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};
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