@coveo/semantic-monorepo-tools/dist/changelog/doWriteChangelog.js

A library of helper functions to do SemVer2 compliant releases from Conventional Commits in monorepos

import { join } from "node:path";
import { createReadStream, createWriteStream, statSync, truncateSync, writeFileSync, } from "node:fs";
import tempfile from "tempfile";
export default async function (PATH, changelog) {
    const changelogPath = join(PATH, "CHANGELOG.md");
    ensureChangelogExist(changelogPath);
    const previousChangelogReadable = await getPreviousChangelogStream(changelogPath);
    truncateSync(changelogPath);
    const changelogWritable = createWriteStream(changelogPath);
    changelogWritable.write(changelog);
    return new Promise((resolve) => {
        previousChangelogReadable.pipe(changelogWritable).once("finish", resolve);
    });
}
function ensureChangelogExist(changelogPath) {
    if (!statSync(changelogPath, { throwIfNoEntry: false })) {
        writeFileSync(changelogPath, "");
    }
}
function getPreviousChangelogStream(changelogPath) {
    const tmp = tempfile();
    return new Promise((resolve) => {
        createReadStream(changelogPath)
            .pipe(createWriteStream(tmp))
            .once("finish", () => resolve(createReadStream(tmp)));
    });
}