ferngully-aurelia-tools/dist/amd/services/aurelia-helper-service.js

Ferngully Tools for Aurelia

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);
};
define(["require", "exports", "aurelia-framework", "aurelia-dependency-injection"], function (require, exports, aurelia_framework_1, aurelia_dependency_injection_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var AureliaHelperService = (function () {
        function AureliaHelperService(container, bindingEngine, templatingEngine) {
            this.container = container;
            this.bindingEngine = bindingEngine;
            this.templatingEngine = templatingEngine;
        }
        AureliaHelperService.prototype.createPropertyWatch = function (object, propertyName, func) {
            return this.bindingEngine.propertyObserver(object, propertyName)
                .subscribe(function (newValue, oldValue) {
                func(newValue, oldValue);
            });
        };
        AureliaHelperService.prototype.createArrayWatch = function (array, func) {
            return this.bindingEngine.collectionObserver(array)
                .subscribe(function (splices) {
                func(splices);
            });
        };
        AureliaHelperService.prototype.createObservableProperty = function (object, propertyName) {
            this.bindingEngine.propertyObserver(object, propertyName);
        };
        AureliaHelperService.prototype.createObservableComputedProperty = function (object, propertyName, func, dependencies) {
            Object.defineProperty(object, propertyName, { get: func });
            if (dependencies) {
                object.get.dependencies = dependencies;
            }
            this.createObservableProperty(object, propertyName);
        };
        AureliaHelperService.prototype.getInstanceOf = function (whateverClass) {
            return this.container.get(whateverClass);
        };
        AureliaHelperService.prototype.instanceIsRegistered = function (whateverClass, container, checkParent) {
            if (!container) {
                container = this.container;
            }
            return container.hasResolver(whateverClass, checkParent);
        };
        AureliaHelperService.prototype.createForCurrentScope = function (whateverClass, registerAs) {
            var instance = this.getInstanceOf(whateverClass);
            this.container.registerInstance(registerAs ? registerAs : whateverClass, instance);
            return instance;
        };
        AureliaHelperService.prototype.enhance = function (elementSelector, bindingContext) {
            var el = document.querySelector(elementSelector);
            if (el) {
                if (!el.querySelectorAll('.au-target').length) {
                    this.templatingEngine.enhance({ element: el, bindingContext: bindingContext });
                }
            }
        };
        AureliaHelperService = __decorate([
            aurelia_framework_1.autoinject,
            __metadata("design:paramtypes", [aurelia_dependency_injection_1.Container,
                aurelia_framework_1.BindingEngine,
                aurelia_framework_1.TemplatingEngine])
        ], AureliaHelperService);
        return AureliaHelperService;
    }());
    exports.AureliaHelperService = AureliaHelperService;
});
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