Method getFileHash

lib/FileSystemInfo.js:1723–1727

* Returns file hash. * @param {string} path file path * @param {(err?: WebpackError | null, hash?: string | null) => void} callback callback function * @returns {void}

(path, callback)

	 * @returns {void}
	 */
	getFileHash(path, callback) {
		const cache = this._fileHashes.get(path);
		if (cache !== undefined) return callback(null, cache);
		this.fileHashQueue.add(path, callback);
	}

	/**
	 * Returns context hash.