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October 10, 2016 18:14
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Aurelia TypeScript
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/bluebird/3.4.6/bluebird.min.js"></script> | |
| </head> | |
| <body aurelia-app="src/main"> | |
| <script src="https://cdn.rawgit.com/aurelia/aurelia/master/scripts/system.js"></script> | |
| <script src="https://cdn.rawgit.com/aurelia/aurelia/master/scripts/config-typescript.js"></script> | |
| <script src="https://cdn.rawgit.com/aurelia/aurelia/master/scripts/aurelia-core.min.js"></script> | |
| <script src="https://cdn.rawgit.com/aurelia/aurelia/master/scripts/aurelia-routing.min.js"></script> | |
| <script> | |
| System.import('aurelia-bootstrapper'); | |
| </script> | |
| </body> | |
| </html> |
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| <template> | |
| <runtime-template html.bind="dynamicHtml"></runtime-template> | |
| </template> |
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| export class App { | |
| dynamicHtml = ` | |
| <div>Hello!</div> | |
| `; | |
| } |
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| export function configure(aurelia) { | |
| aurelia.use | |
| .basicConfiguration() | |
| .globalResources([ | |
| "src/runtime-template" | |
| ]); | |
| aurelia.start().then(() => aurelia.setRoot()); | |
| } |
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| import { | |
| customElement, | |
| TaskQueue, | |
| bindable, | |
| ViewCompiler, | |
| ViewSlot, | |
| View, | |
| ViewResources, | |
| Container, | |
| ViewFactory, | |
| inlineView, | |
| inject, | |
| DOM | |
| } from "aurelia-framework"; | |
| @customElement("runtime-template") | |
| @inlineView("<template><div></div></template>") | |
| @inject(DOM.Element, TaskQueue, Container, ViewCompiler) | |
| export class RuntimeTemplate { | |
| @bindable() | |
| public html: string; | |
| public element: HTMLElement; | |
| private tq: TaskQueue; | |
| private container: Container; | |
| private viewCompiler: ViewCompile; | |
| private runtimeView: View; | |
| private runtimeViewSlot: ViewSlot; | |
| private runtimeViewFactory: ViewFactory; | |
| private runtimeViewAnchor: HTMLDivElement; | |
| constructor(element, tq, container, viewCompiler) { | |
| this.element = <HTMLElement>element; | |
| this.tq = tq; | |
| this.container = container; | |
| this.viewCompiler = viewCompiler; | |
| } | |
| public bindingContext: any; | |
| public overrideContext: any; | |
| public bind(bindingContext: any, overrideContext: any): void { | |
| this.bindingContext = bindingContext; | |
| this.overrideContext = overrideContext; | |
| if (this.html) { | |
| this.htmlChanged(this.html, undefined); | |
| } | |
| } | |
| public unbind(): void { | |
| this.disposeView(); | |
| this.bindingContext = null; | |
| this.overrideContext = null; | |
| } | |
| public needsApply: boolean = false; | |
| public isAttached: boolean = false; | |
| public attached(): void { | |
| this.runtimeViewAnchor = this.element.firstElementChild; | |
| this.isAttached = true; | |
| if (this.needsApply) { | |
| this.needsApply = false; | |
| this.apply(); | |
| } | |
| } | |
| public detached(): void { | |
| this.isAttached = false; | |
| this.runtimeViewAnchor = null; | |
| } | |
| private htmlChanged(newValue: string, oldValue: void): void { | |
| if (newValue) { | |
| if (this.isAttached) { | |
| this.tq.queueMicroTask(() => { | |
| this.apply(); | |
| }); | |
| } else { | |
| this.needsApply = true; | |
| } | |
| } else { | |
| if (this.isApplied) { | |
| this.disposeView(); | |
| } | |
| } | |
| } | |
| private isApplied: boolean = false; | |
| private apply(): void { | |
| if (this.isApplied) { | |
| this.disposeView(); | |
| } | |
| this.compileView(); | |
| } | |
| private disposeView(): void { | |
| if (this.runtimeViewSlot) { | |
| this.runtimeViewSlot.unbind(); | |
| this.runtimeViewSlot.detached(); | |
| this.runtimeViewSlot.removeAll(); | |
| this.runtimeViewSlot = null; | |
| } | |
| if (this.runtimeViewFactory) { | |
| this.runtimeViewFactory = null; | |
| } | |
| if (this.runtimeView) { | |
| this.runtimeView = null; | |
| } | |
| this.isApplied = false; | |
| } | |
| private compileView(): void { | |
| this.runtimeViewFactory = createViewFactory(this.viewCompiler, this.container, this.html); | |
| this.runtimeView = createView(this.runtimeViewFactory, this.container); | |
| this.runtimeViewSlot = createViewSlot(this.runtimeViewAnchor); | |
| this.runtimeViewSlot.add(this.runtimeView); | |
| this.runtimeViewSlot.bind(this.bindingContext, this.overrideContext); | |
| this.runtimeViewSlot.attached(); | |
| this.isApplied = true; | |
| } | |
| } | |
| function createViewFactory(viewCompiler: ViewCompiler, container: Container, html: string): ViewFactory { | |
| if (!html.startsWith("<template>")) { | |
| html = `<template>${html}</template>`; | |
| } | |
| let viewResources: ViewResources = container.get(ViewResources); | |
| let viewFactory = viewCompiler.compile(html, viewResources); | |
| return viewFactory; | |
| } | |
| function createView(viewFactory: ViewFactory, container: Container): View { | |
| let childContainer = container.createChild(); | |
| let view = viewFactory.create(childContainer); | |
| return view; | |
| } | |
| function createViewSlot(containerElement: Element): ViewSlot { | |
| let viewSlot = new ViewSlot(containerElement, true); | |
| return viewSlot; | |
| } |
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