34 lines
789 B
JavaScript
34 lines
789 B
JavaScript
import prettier from "prettier";
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import { getMarkdown, getMdast, mdNodeIs } from "./ast/mdast.js";
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import { unwalk } from "./ast/unwalk.js";
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async function format(markdown) {
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const mdast = getMdast(
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await prettier.format(markdown, {
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parser: "mdx",
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printWidth: Infinity,
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proseWrap: "never",
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useTabs: true
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})
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);
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unwalk(
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mdast,
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(node, parent, index) => {
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if (mdNodeIs(node, "mdxFlowExpression") && expressionIsEmpty(node.value)) {
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parent.children[index] = void 0;
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}
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},
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(node, parent) => {
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delete node.position;
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return mdNodeIs(parent, "root");
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}
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);
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return getMarkdown(mdast);
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}
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function expressionIsEmpty(text) {
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const regex = /^('|")\s*('|")$/;
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return regex.test(text);
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}
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export {
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format
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};
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