Function getCallingFile

benchmark/with-codspeed.mjs:42–59

* Capture the file that invoked bench.add() so we can build a stable URI * for CodSpeed to identify the benchmark. * @returns {string} calling file path relative to the repo root

()

 * @returns {string} calling file path relative to the repo root
 */
function getCallingFile() {
	const dummy = {};
	const prev = Error.prepareStackTrace;
	const prevLimit = Error.stackTraceLimit;
	Error.stackTraceLimit = 10;
	Error.prepareStackTrace = (_err, trace) => trace;
	Error.captureStackTrace(dummy, getCallingFile);
	const trace = /** @type {NodeJS.CallSite[]} */ (
		/** @type {{ stack: unknown }} */ (dummy).stack
	);
	Error.prepareStackTrace = prev;
	Error.stackTraceLimit = prevLimit;

	let file = /** @type {string} */ (trace[1].getFileName() || "");
	if (file.startsWith("file://")) file = fileURLToPath(file);
	if (!file) return "<unknown>";
	return path.relative(repoRoot, file);
}

/**
 * @typedef {{ uri: string, fn: Fn, opts: object | undefined }} TaskMeta