Release notes parser - tailored to the new proposed Gitpod Changelog process

index.js

import { readFile } from "fs/promises";

import { unified } from "unified/lib/index.js";
import remarkParse from "remark-parse";

const file = await readFile("files/file.md", "utf8");

const data = unified().use(remarkParse).parse(file);

const releaseNotesStart = data.children.find(
  (node) =>
    node.type === "heading" &&
    node.depth === 2 &&
    node.children[0].value === "Release Notes"
).position.end.offset;

const releaseNotesEnd =
  data.children.find(
    (node) =>
      node.type === "heading" &&
      node.depth === 2 &&
      node.position.start.offset > releaseNotesStart
  ).position.start.offset - 1;

const releaseNotes = file.slice(releaseNotesStart, releaseNotesEnd);
const withRemovedComments = releaseNotes.replace(/<!--([\s\S]*?)-->/g, "").trim(); // https://github.com/stevemao/html-comment-regex/blob/master/index.js

console.log(withRemovedComments);