everything-dev/dist/services/deploy/source-archive.mjs

A consolidated product package for building Module Federation apps with oRPC APIs.

import { computeSriHash } from "./integrity.mjs";
import { listWorkspaceSubtreeFiles } from "../../utils/workspace-subtree.mjs";
import { mkdtempSync, readFileSync, renameSync, rmSync } from "node:fs";
import { join } from "node:path";
import { createHash } from "node:crypto";
import { tmpdir } from "node:os";
import { create } from "tar";

//#region src/services/deploy/source-archive.ts
/** Temp directory for a source archive leg (caller passes it as `outDir`). */
function makeSourceArchiveTempDir(prefix = "bos-source-archive-") {
	return mkdtempSync(join(tmpdir(), prefix));
}
/**
* Build the workspace's source archive in `outDir`: the shared subtree ignore
* set (`listWorkspaceSubtreeFiles`) selects the files; `tar.create` receives
* that explicit list, so its own ignore logic never re-derives the selection.
* The archive name is content-addressed — identical source bytes produce the
* identical `source.<16hex>.tar.gz` (gzip is deterministic for the same input
* bytes; file mtimes differ only when source files change, which changes the
* name anyway).
*/
async function buildSourceArchive(input) {
	const files = await listWorkspaceSubtreeFiles(input.repoRoot, input.workspace);
	if (files.length === 0) throw new Error(`[source-archive] workspace subtree is empty: ${input.workspace}`);
	const pendingPath = join(input.outDir, ".pending.tar.gz");
	await create({
		file: pendingPath,
		cwd: input.repoRoot,
		portable: true,
		gzip: { level: 9 }
	}, files);
	const bytes = readFileSync(pendingPath);
	const name = `source.${createHash("sha256").update(bytes).digest("hex").slice(0, 16)}.tar.gz`;
	const path = join(input.outDir, name);
	renameSync(pendingPath, path);
	return {
		file: `source/${name}`,
		path,
		integrity: computeSriHash(bytes),
		cleanup: () => rmSync(input.outDir, {
			recursive: true,
			force: true
		})
	};
}

//#endregion
export { buildSourceArchive, makeSourceArchiveTempDir };
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