ng-injector/lib/injector.js

Injector decorator for writing angular 1.x with ES6/TypeScript

/*!
 * ng-injector v0.4.5
 * (c) 2016 Yinan
 * Released under the MIT License.
 */
'use strict';

function forEach(target, eachFunc) {
    if (!target) return;
    var length = void 0;
    if (target instanceof Array) {
        length = target.length;
        for (var i = length - 1; i >= 0; i--) {
            eachFunc(target[i], i);
        }
    } else {
        var keys = Object.keys(target);
        var key = void 0;
        length = keys.length;
        for (var _i = 0; _i < length; _i++) {
            key = keys[_i];
            eachFunc(target[key], key);
        }
    }
}

var injector = function injector() {
    var deps = arguments.length <= 0 || arguments[0] === undefined ? [] : arguments[0];

    if (typeof deps === 'string') {
        deps = [deps];
    } else if (!(deps instanceof Array)) {
        throw new Error('deps must be Array');
    }
    return function (target) {
        var construct = function construct(args) {
            var Component = function Component() {
                var _this = this;

                forEach(args, function (arg, i) {
                    return _this[deps[i]] = arg;
                });
                return target.call(this);
            };
            Component.prototype = target.prototype;
            return new Component();
        };
        var f = function f() {
            for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
                args[_key] = arguments[_key];
            }

            return construct(args);
        };
        f.$inject = deps;
        f.prototype = target.prototype;
        return f;
    };
};

exports.injector = injector;