ng2-pipes/src/app/pipes/object/invert-by.js

Useful angular2 pipes

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var core_1 = require('@angular/core');
var helpers_1 = require('../helpers/helpers');
var InvertByPipe = (function () {
    function InvertByPipe() {
    }
    InvertByPipe.prototype.transform = function (obj, cb) {
        if (cb === void 0) { cb = null; }
        if (Array.isArray(obj) || !helpers_1.default.isObject(obj)) {
            return obj;
        }
        return Object.keys(obj).reduce(function (o, k) {
            var key = cb ? cb(obj[k]) : obj[k];
            return Array.isArray(o[key])
                ? (o[key].push(k), o)
                : Object.assign(o, (_a = {}, _a[key] = [k], _a));
            var _a;
        }, {});
    };
    InvertByPipe = __decorate([
        core_1.Pipe({ name: 'invertBy' }), 
        __metadata('design:paramtypes', [])
    ], InvertByPipe);
    return InvertByPipe;
}());
exports.InvertByPipe = InvertByPipe;

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