mirror of
https://github.com/gradio-app/gradio.git
synced 2024-12-21 02:19:59 +08:00
1419538ea7
* asd * changes * fix everything * cleanup * add changeset * fix casing * lockfile * fix casing * fix ci, enable linting * fix test * add changeset * add changeset * delete changeset * fix dirs * fix casing * fix notebooks * fix casing * fix casing * fix casing * fix casing * fix casing * fix casing * fix casing * fix casing --------- Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
62 lines
1.6 KiB
TypeScript
62 lines
1.6 KiB
TypeScript
import type {
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Element,
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MarkdownExtension,
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BlockContext,
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Line
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} from "@lezer/markdown";
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import { parseMixed } from "@lezer/common";
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import { yaml } from "@codemirror/legacy-modes/mode/yaml";
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import { foldInside, foldNodeProp, StreamLanguage } from "@codemirror/language";
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import { styleTags, tags } from "@lezer/highlight";
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const frontMatterFence = /^---\s*$/m;
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export const frontmatter: MarkdownExtension = {
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defineNodes: [{ name: "Frontmatter", block: true }, "FrontmatterMark"],
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props: [
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styleTags({
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Frontmatter: [tags.documentMeta, tags.monospace],
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FrontmatterMark: tags.processingInstruction
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}),
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foldNodeProp.add({
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Frontmatter: foldInside,
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FrontmatterMark: () => null
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})
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],
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wrap: parseMixed((node) => {
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const { parser } = StreamLanguage.define(yaml);
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if (node.type.name === "Frontmatter") {
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return {
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parser,
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overlay: [{ from: node.from + 4, to: node.to - 4 }]
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};
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}
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return null;
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}),
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parseBlock: [
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{
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name: "Frontmatter",
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before: "HorizontalRule",
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parse: (cx: BlockContext, line: Line): boolean => {
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let end: number | undefined = undefined;
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const children = new Array<Element>();
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if (cx.lineStart === 0 && frontMatterFence.test(line.text)) {
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children.push(cx.elt("FrontmatterMark", 0, 4));
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while (cx.nextLine()) {
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if (frontMatterFence.test(line.text)) {
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end = cx.lineStart + 4;
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break;
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}
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}
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if (end !== undefined) {
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children.push(cx.elt("FrontmatterMark", end - 4, end));
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cx.addElement(cx.elt("Frontmatter", 0, end, children));
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}
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return true;
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}
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return false;
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}
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}
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]
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};
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