1 files changed, 51 insertions, 51 deletions
diff --git a/node_modules/pify/index.js b/node_modules/pify/index.js
index 7c720ebe..df56221d 100644
--- a/node_modules/pify/index.js
+++ b/node_modules/pify/index.js
@@ -1,68 +1,68 @@
 'use strict';
 
-var processFn = function (fn, P, opts) {
-	return function () {
-		var that = this;
-		var args = new Array(arguments.length);
-
-		for (var i = 0; i < arguments.length; i++) {
-			args[i] = arguments[i];
-		}
-
-		return new P(function (resolve, reject) {
-			args.push(function (err, result) {
-				if (err) {
-					reject(err);
-				} else if (opts.multiArgs) {
-					var results = new Array(arguments.length - 1);
-
-					for (var i = 1; i < arguments.length; i++) {
-						results[i - 1] = arguments[i];
+const processFn = (fn, options) => function (...args) {
+	const P = options.promiseModule;
+
+	return new P((resolve, reject) => {
+		if (options.multiArgs) {
+			args.push((...result) => {
+				if (options.errorFirst) {
+					if (result[0]) {
+						reject(result);
+					} else {
+						result.shift();
+						resolve(result);
 					}
-
-					resolve(results);
 				} else {
 					resolve(result);
 				}
 			});
+		} else if (options.errorFirst) {
+			args.push((error, result) => {
+				if (error) {
+					reject(error);
+				} else {
+					resolve(result);
+				}
+			});
+		} else {
+			args.push(resolve);
+		}
 
-			fn.apply(that, args);
-		});
-	};
+		fn.apply(this, args);
+	});
 };
 
-var pify = module.exports = function (obj, P, opts) {
-	if (typeof P !== 'function') {
-		opts = P;
-		P = Promise;
-	}
-
-	opts = opts || {};
-	opts.exclude = opts.exclude || [/.+Sync$/];
+module.exports = (input, options) => {
+	options = Object.assign({
+		exclude: [/.+(Sync|Stream)$/],
+		errorFirst: true,
+		promiseModule: Promise
+	}, options);
 
-	var filter = function (key) {
-		var match = function (pattern) {
-			return typeof pattern === 'string' ? key === pattern : pattern.test(key);
-		};
+	const objType = typeof input;
+	if (!(input !== null && (objType === 'object' || objType === 'function'))) {
+		throw new TypeError(`Expected \`input\` to be a \`Function\` or \`Object\`, got \`${input === null ? 'null' : objType}\``);
+	}
 
-		return opts.include ? opts.include.some(match) : !opts.exclude.some(match);
+	const filter = key => {
+		const match = pattern => typeof pattern === 'string' ? key === pattern : pattern.test(key);
+		return options.include ? options.include.some(match) : !options.exclude.some(match);
 	};
 
-	var ret = typeof obj === 'function' ? function () {
-		if (opts.excludeMain) {
-			return obj.apply(this, arguments);
-		}
-
-		return processFn(obj, P, opts).apply(this, arguments);
-	} : {};
-
-	return Object.keys(obj).reduce(function (ret, key) {
-		var x = obj[key];
+	let ret;
+	if (objType === 'function') {
+		ret = function (...args) {
+			return options.excludeMain ? input(...args) : processFn(input, options).apply(this, args);
+		};
+	} else {
+		ret = Object.create(Object.getPrototypeOf(input));
+	}
 
-		ret[key] = typeof x === 'function' && filter(key) ? processFn(x, P, opts) : x;
+	for (const key in input) { // eslint-disable-line guard-for-in
+		const property = input[key];
+		ret[key] = typeof property === 'function' && filter(key) ? processFn(property, options) : property;
+	}
 
-		return ret;
-	}, ret);
+	return ret;
 };
-
-pify.all = pify;