Method _readFreshContextTimestamp

lib/FileSystemInfo.js:1686–1695

* Reads a context timestamp directly from disk, bypassing any cached * entry. Used by `getContextTimestamp` and the snapshot validity * checks when the cached entry is missing or is an `ExistenceOnlyTimeEntry` * (`{}`) supplied by watchpack — both cases require a fresh read to * obtain the `

(path, callback)

	 * @returns {void}
	 */
	_readFreshContextTimestamp(path, callback) {
		this.contextTimestampQueue.add(path, (err, _entry) => {
			if (err) return callback(err);
			const entry = /** @type {ContextFileSystemInfoEntry | null} */ (_entry);
			if (entry === null) return callback(null, null);
			const resolved = getResolvedTimestamp(entry);
			if (resolved !== undefined) return callback(null, resolved);
			this._resolveContextTimestamp(entry, callback);
		});
	}

	/**
	 * Get unresolved context timestamp. Existence-only cache entries (`{}`)