TypeScriptSamples/angular2/firebase/angularfire.js at master · microsoft/TypeScriptSamples · GitHub

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if (typeof __decorate !== "function") __decorate = function (decorators, target, key, desc) {
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") return Reflect.decorate(decorators, target, key, desc);
    switch (arguments.length) {
        case 2: return decorators.reduceRight(function(o, d) { return (d && d(o)) || o; }, target);
        case 3: return decorators.reduceRight(function(o, d) { return (d && d(target, key)), void 0; }, void 0);
        case 4: return decorators.reduceRight(function(o, d) { return (d && d(target, key, o)) || o; }, desc);
    }
};
if (typeof __metadata !== "function") __metadata = function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
define(["require", "exports", 'angular2/angular2'], function (require, exports, angular2_1) {
    var AngularFire = (function () {
        function AngularFire(ref) {
            this.ref = ref;
        }
        AngularFire.prototype.asArray = function () {
            return new FirebaseArray(this.ref);
        };
        AngularFire = __decorate([
            angular2_1.Component(),
            __metadata('design:paramtypes', [(typeof Firebase !== 'undefined' && Firebase) || Object])
        ], AngularFire);
        return AngularFire;
    })();
    exports.AngularFire = AngularFire;
    /*
    FirebaseArray

    */
    var FirebaseArray = (function () {
        function FirebaseArray(ref) {
            this.ref = ref;
            this.list = [];
            // listen for changes at the Firebase instance
            this.ref.on('child_added', this.created.bind(this), this.error);
            this.ref.on('child_moved', this.moved.bind(this), this.error);
            this.ref.on('child_changed', this.updated.bind(this), this.error);
            this.ref.on('child_removed', this.removed.bind(this), this.error);
            // determine when initial load is completed
            // ref.once('value', function() { resolve(null); }, resolve);
        }
        FirebaseArray.prototype.getItem = function (recOrIndex) {
            var item = recOrIndex;
            if (typeof (recOrIndex) === "number") {
                item = this.getRecord(recOrIndex);
            }
            return item;
        };
        FirebaseArray.prototype.getChild = function (recOrIndex) {
            var item = this.getItem(recOrIndex);
            return this.ref.child(item._key);
        };
        FirebaseArray.prototype.add = function (rec) {
            this.ref.push(rec);
        };
        FirebaseArray.prototype.remove = function (recOrIndex) {
            this.getChild(recOrIndex).remove();
        };
        FirebaseArray.prototype.save = function (recOrIndex) {
            var item = this.getItem(recOrIndex);
            this.getChild(recOrIndex).update(item);
        };
        FirebaseArray.prototype.keyify = function (snap) {
            var item = snap.val();
            item._key = snap.key();
            return item;
        };
        FirebaseArray.prototype.created = function (snap) {
            var addedValue = this.keyify(snap);
            this.list.push(addedValue);
        };
        FirebaseArray.prototype.moved = function (snap) {
            var key = snap.key();
            this.spliceOut(key);
        };
        FirebaseArray.prototype.updated = function (snap) {
            var key = snap.key();
            var indexToUpdate = this.indexFor(key);
            this.list[indexToUpdate] = this.keyify(snap);
        };
        FirebaseArray.prototype.removed = function (snap) {
            var key = snap.key();
            this.spliceOut(key);
        };
        FirebaseArray.prototype.bulkUpdate = function (items) {
            this.ref.update(items);
        };
        FirebaseArray.prototype.spliceOut = function (key) {
            var i = this.indexFor(key);
            if (i > -1) {
                return this.list.splice(i, 1)[0];
            }
            return null;
        };
        FirebaseArray.prototype.indexFor = function (key) {
            var record = this.getRecord(key);
            return this.list.indexOf(record);
        };
        FirebaseArray.prototype.getRecord = function (key) {
            return this.list.find(function (item) { return key === item._key; });
        };
        return FirebaseArray;
    })();
    exports.FirebaseArray = FirebaseArray;
});