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1 files changed, 84 insertions, 0 deletions

diff --git a/node_modules/pify/index.js b/node_modules/pify/index.js
new file mode 100644
index 00000000..1dee43ad
--- /dev/null
+++ b/node_modules/pify/index.js
@@ -0,0 +1,84 @@
+'use strict';
+
+const processFn = (fn, opts) => function () {
+	const P = opts.promiseModule;
+	const args = new Array(arguments.length);
+
+	for (let i = 0; i < arguments.length; i++) {
+		args[i] = arguments[i];
+	}
+
+	return new P((resolve, reject) => {
+		if (opts.errorFirst) {
+			args.push(function (err, result) {
+				if (opts.multiArgs) {
+					const results = new Array(arguments.length - 1);
+
+					for (let i = 1; i < arguments.length; i++) {
+						results[i - 1] = arguments[i];
+					}
+
+					if (err) {
+						results.unshift(err);
+						reject(results);
+					} else {
+						resolve(results);
+					}
+				} else if (err) {
+					reject(err);
+				} else {
+					resolve(result);
+				}
+			});
+		} else {
+			args.push(function (result) {
+				if (opts.multiArgs) {
+					const results = new Array(arguments.length - 1);
+
+					for (let i = 0; i < arguments.length; i++) {
+						results[i] = arguments[i];
+					}
+
+					resolve(results);
+				} else {
+					resolve(result);
+				}
+			});
+		}
+
+		fn.apply(this, args);
+	});
+};
+
+module.exports = (obj, opts) => {
+	opts = Object.assign({
+		exclude: [/.+(Sync|Stream)$/],
+		errorFirst: true,
+		promiseModule: Promise
+	}, opts);
+
+	const filter = key => {
+		const match = pattern => typeof pattern === 'string' ? key === pattern : pattern.test(key);
+		return opts.include ? opts.include.some(match) : !opts.exclude.some(match);
+	};
+
+	let ret;
+	if (typeof obj === 'function') {
+		ret = function () {
+			if (opts.excludeMain) {
+				return obj.apply(this, arguments);
+			}
+
+			return processFn(obj, opts).apply(this, arguments);
+		};
+	} else {
+		ret = Object.create(Object.getPrototypeOf(obj));
+	}
+
+	for (const key in obj) { // eslint-disable-line guard-for-in
+		const x = obj[key];
+		ret[key] = typeof x === 'function' && filter(key) ? processFn(x, opts) : x;
+	}
+
+	return ret;
+};