ng2-pipes/src/app/pipes/array/intersection.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 IntersectionPipe = (function () {
    function IntersectionPipe() {
    }
    IntersectionPipe.prototype.transform = function (arr) {
        var args = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            args[_i - 1] = arguments[_i];
        }
        if (!Array.isArray(arr)) {
            return arr;
        }
        return args.reduce(function (newArr, currArr) {
            return newArr.filter(function (elm) { return !!~currArr.indexOf(elm); });
        }, arr);
    };
    IntersectionPipe = __decorate([
        core_1.Pipe({ name: 'intersection' }), 
        __metadata('design:paramtypes', [])
    ], IntersectionPipe);
    return IntersectionPipe;
}());
exports.IntersectionPipe = IntersectionPipe;

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