ferngully-aurelia-tools/dist/es2017/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);
};
import { BindingEngine, TemplatingEngine, autoinject } from "aurelia-framework";
import { Container } from 'aurelia-dependency-injection';
let AureliaHelperService = class AureliaHelperService {
    constructor(container, bindingEngine, templatingEngine) {
        this.container = container;
        this.bindingEngine = bindingEngine;
        this.templatingEngine = templatingEngine;
    }
    createPropertyWatch(object, propertyName, func) {
        return this.bindingEngine.propertyObserver(object, propertyName)
            .subscribe((newValue, oldValue) => {
            func(newValue, oldValue);
        });
    }
    createArrayWatch(array, func) {
        return this.bindingEngine.collectionObserver(array)
            .subscribe((splices) => {
            func(splices);
        });
    }
    createObservableProperty(object, propertyName) {
        this.bindingEngine.propertyObserver(object, propertyName);
    }
    createObservableComputedProperty(object, propertyName, func, dependencies) {
        Object.defineProperty(object, propertyName, { get: func });
        if (dependencies) {
            object.get.dependencies = dependencies;
        }
        this.createObservableProperty(object, propertyName);
    }
    getInstanceOf(whateverClass) {
        return this.container.get(whateverClass);
    }
    instanceIsRegistered(whateverClass, container, checkParent) {
        if (!container) {
            container = this.container;
        }
        return container.hasResolver(whateverClass, checkParent);
    }
    createForCurrentScope(whateverClass, registerAs) {
        var instance = this.getInstanceOf(whateverClass);
        this.container.registerInstance(registerAs ? registerAs : whateverClass, instance);
        return instance;
    }
    enhance(elementSelector, bindingContext) {
        let el = document.querySelector(elementSelector);
        if (el) {
            if (!el.querySelectorAll('.au-target').length) {
                this.templatingEngine.enhance({ element: el, bindingContext: bindingContext });
            }
        }
    }
};
AureliaHelperService = __decorate([
    autoinject,
    __metadata("design:paramtypes", [Container,
        BindingEngine,
        TemplatingEngine])
], AureliaHelperService);
export { AureliaHelperService };
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