Method _checkSnapshotValidNoCache

lib/FileSystemInfo.js:3083–3629

* Check snapshot valid no cache. * @private * @param {Snapshot} snapshot the snapshot made * @param {CheckSnapshotValidCallback} callback callback function * @returns {void}

(snapshot, callback)

	 * @returns {void}
	 */
	_checkSnapshotValidNoCache(snapshot, callback) {
		/** @type {number | undefined} */
		let startTime;
		if (snapshot.hasStartTime()) {
			startTime = snapshot.startTime;
		}
		let jobs = 1;
		const jobDone = () => {
			if (--jobs === 0) {
				this._snapshotCache.set(snapshot, true);
				callback(null, true);
			}
		};
		const invalid = () => {
			if (jobs > 0) {
				// large negative number instead of NaN or something else to keep jobs to stay a SMI (v8)
				jobs = -100000000;
				this._snapshotCache.set(snapshot, false);
				callback(null, false);
			}
		};
		/**
		 * Invalid with error.
		 * @param {string} path path
		 * @param {WebpackError} err err
		 */
		const invalidWithError = (path, err) => {
			if (this._remainingLogs > 0) {
				this._log(path, "error occurred: %s", err);
			}
			invalid();
		};
		/**
		 * Checks true, if ok.
		 * @param {string} path file path
		 * @param {string | null} current current hash
		 * @param {string | null} snap snapshot hash
		 * @returns {boolean} true, if ok
		 */
		const checkHash = (path, current, snap) => {
			if (current !== snap) {
				// If hash differ it's invalid
				if (this._remainingLogs > 0) {
					this._log(path, "hashes differ (%s != %s)", current, snap);
				}
				return false;
			}
			return true;
		};
		/**
		 * Checks true, if ok.
		 * @param {string} path file path
		 * @param {boolean} current current entry
		 * @param {boolean} snap entry from snapshot
		 * @returns {boolean} true, if ok
		 */
		const checkExistence = (path, current, snap) => {
			if (!current !== !snap) {