prosemirror-highlight/dist/lezer.js

A ProseMirror plugin to highlight code blocks

import { Decoration } from "prosemirror-view";
import { highlightTree } from "@lezer/highlight";

//#region src/lezer.ts
function createParser({ parse, highlighter }) {
	return function lezerParser(options) {
		const tree = parse(options);
		if (!tree) return [];
		const decorations = [];
		const offset = options.pos + 1;
		highlightTree(tree, highlighter, (from, to, classes) => {
			if (classes && from < to) decorations.push(Decoration.inline(offset + from, offset + to, { class: classes }));
		});
		return decorations;
	};
}

//#endregion
export { createParser };
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