P3X GitList

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import {

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Compiler,

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Component,

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Injectable,

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Input,

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ModuleWithProviders,

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NgModule,

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NgModuleFactory,

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OnChanges, SimpleChanges, Type,

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} from '@angular/core';

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import {CommonModule} from '@angular/common';

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//import { BrowserModule } from '@angular/platform-browser';

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//let SingletonDefaultModule: NgModule;

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import cloneDeep from 'lodash/cloneDeep';

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//import { CorifeusMaterialModule } from 'corifeus-web-material';

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function reverse(str: string) {

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return str.split('').reverse().join('') }

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function random() {

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return (Math.floor(Math.random() * (99999999999999999 - 10000000000000000)) + 10000000000000000).toString(16) }

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let currentIdTime: number;

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let currentId = 0;

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function nextId(): string {

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const now = Date.now(); if (currentIdTime !== now) { currentId = 0; currentIdTime = now } const comingId = ++currentId; const randomHex = reverse(random()).padStart(15, '0'); const timeHex = reverse(currentIdTime.toString(16).padStart(12, '0')) const comingIdHex = reverse(comingId.toString(16).padStart(3, '0'))

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const newId: string = `p3x-angular-compile-${timeHex}${comingIdHex}${randomHex}`;

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//console.log(newId) return newId }

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//const cache : any = {}; @Component({ selector: '[p3x-compile]', template: `

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<ng-container *ngIf="renderComponent">

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<ng-container *ngComponentOutlet="dynamicComponent; ngModuleFactory: dynamicModule;"></ng-container> </ng-container>

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`

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})

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@Injectable()

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export class CompileAttribute implements OnChanges { //export class CompileAttribute implements OnChanges ,OnInit {

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@Input('p3x-compile') html: string; @Input('p3x-compile-ctx')

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context: any;

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@Input('p3x-compile-error-handler')

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errorHandler: Function = undefined;

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dynamicComponent: any; dynamicModule: NgModuleFactory<any> | any;

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@Input('p3x-compile-module')

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module: NgModule;

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@Input('p3x-compile-imports')

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imports: Array<Type<any> | ModuleWithProviders<any> | any[]>;

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constructor( // private container: ViewContainerRef, // private service: CompileService private compiler: Compiler, // @Inject('config') private config:CompileServiceConfig ) { } /* // not requires, since ngOnChanges does it first time change ngOnInit() { //console.log('ng init') // this.update(); } */

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get renderComponent() { return typeof this.html === 'string' && this.html.trim() !== '' }

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ngOnChanges(changes: SimpleChanges) { //console.log('ng one changes') this.update(); }

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update() {

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try {

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if (this.html === undefined || this.html === null || this.html.trim() === '') {

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// this.container.clear();

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this.dynamicComponent = undefined; this.dynamicModule = undefined; return; } /* // looks like Angular already is caching //console.log('html', this.html) const cacheKey = this.html; //console.log(Object.keys(cache).indexOf(cacheKey), cache) if (cache.hasOwnProperty(cacheKey)) { const currentCache = cache[cacheKey]; this.dynamicComponent = currentCache.dynamicComponent this.dynamicModule = currentCache.dynamicModule return ; } */

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this.dynamicComponent = this.createNewComponent(this.html, this.context); this.dynamicModule = this.compiler.compileModuleSync(this.createComponentModule(this.dynamicComponent));

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/* cache[cacheKey] = { dynamicComponent: this.dynamicComponent, dynamicModule: this.dynamicModule, }; */

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} catch (e) {

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if (this.errorHandler === undefined) { throw e; } else { this.errorHandler(e); }

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} /*

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// now we use it with ngComponentOutlet, since about angular 5

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await this.service.compile({ template: this.html, container: this.container, context: this.context,

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imports: this.imports, module: this.module

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})

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*/ }

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private createComponentModule(componentType: any) { let module: NgModule = {};

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if (this.module !== undefined) { module = cloneDeep(this.module);

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} /* else if (SingletonDefaultModule !== undefined && SingletonDefaultModule !== null) {

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module = cloneDeep(SingletonDefaultModule); }

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*/

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module.imports = module.imports || [];

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module.imports.push(CommonModule);

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if (this.imports !== undefined) { module.imports = module.imports.concat(this.imports) } if (module.declarations === undefined) { module.declarations = [ componentType ]; } else { module.declarations.push(componentType); } module.entryComponents = [ componentType ];

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@NgModule(module) class RuntimeComponentModule { }

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return RuntimeComponentModule; }

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private createNewComponent(html: string, context: any) {

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const selector: string = nextId()

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@Component({

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selector: selector,

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template: html }) class DynamicComponent { context: any = context; } return DynamicComponent;

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}

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}