* first action! (#1)

node_modules/es6-promisify/dist/promisify.js

@@ -0,0 +1,85 @@
+"use strict";
+
+/* global module, require */
+module.exports = function () {
+
+    "use strict";
+
+    // Get a promise object. This may be native, or it may be polyfilled
+
+    var ES6Promise = require("./promise.js");
+
+    /**
+     * thatLooksLikeAPromiseToMe()
+     *
+     * Duck-types a promise.
+     *
+     * @param {object} o
+     * @return {bool} True if this resembles a promise
+     */
+    function thatLooksLikeAPromiseToMe(o) {
+        return o && typeof o.then === "function" && typeof o.catch === "function";
+    }
+
+    /**
+     * promisify()
+     *
+     * Transforms callback-based function -- func(arg1, arg2 .. argN, callback) -- into
+     * an ES6-compatible Promise. Promisify provides a default callback of the form (error, result)
+     * and rejects when `error` is truthy. You can also supply settings object as the second argument.
+     *
+     * @param {function} original - The function to promisify
+     * @param {object} settings - Settings object
+     * @param {object} settings.thisArg - A `this` context to use. If not set, assume `settings` _is_ `thisArg`
+     * @param {bool} settings.multiArgs - Should multiple arguments be returned as an array?
+     * @return {function} A promisified version of `original`
+     */
+    return function promisify(original, settings) {
+
+        return function () {
+            for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+                args[_key] = arguments[_key];
+            }
+
+            var returnMultipleArguments = settings && settings.multiArgs;
+
+            var target = void 0;
+            if (settings && settings.thisArg) {
+                target = settings.thisArg;
+            } else if (settings) {
+                target = settings;
+            }
+
+            // Return the promisified function
+            return new ES6Promise(function (resolve, reject) {
+
+                // Append the callback bound to the context
+                args.push(function callback(err) {
+
+                    if (err) {
+                        return reject(err);
+                    }
+
+                    for (var _len2 = arguments.length, values = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+                        values[_key2 - 1] = arguments[_key2];
+                    }
+
+                    if (false === !!returnMultipleArguments) {
+                        return resolve(values[0]);
+                    }
+
+                    resolve(values);
+                });
+
+                // Call the function
+                var response = original.apply(target, args);
+
+                // If it looks like original already returns a promise,
+                // then just resolve with that promise. Hopefully, the callback function we added will just be ignored.
+                if (thatLooksLikeAPromiseToMe(response)) {
+                    resolve(response);
+                }
+            });
+        };
+    };
+}();