angular 템플릿에 임시 변수 설명하기 (명령 실행)

명령 코드

import { Directive, ViewContainerRef, TemplateRef, Input } from '@angular/core';

@Directive({
  selector: '[let]'
})
export class ExpAsDirective {
  _context: any = {};
  @Input() public set letContext(val) {
    this._context = val;
    this._updateView();
  }
  constructor(private _viewContainer: ViewContainerRef, templateRef: TemplateRef) {
    this._thenTemplateRef = templateRef;
  }
  private _updateView() {
    this._viewContainer.clear();
    this._viewContainer.createEmbeddedView(this._thenTemplateRef, this._context);
  }
}

사용

<div *let="let tt1 = tt;let age1 = age;context: {tt: name, age: 12}">{{tt1}}-------{{age1}}div>
<input [(ngModel)]="name">

ngTemplateOutlet과 동일한 방법 사용