34 lines
809 B
TypeScript

import {
Component,
NgModule
} from '@angular/core';
import {BrowserModule} from '@angular/platform-browser';
import {TreeNode, emptyTree} from '../../app/util';
@Component({
selector: 'tree',
inputs: ['data'],
template:
`<span> {{data.value}} <span template='ngIf data.right != null'><tree [data]='data.right'></tree></span><span template='ngIf data.left != null'><tree [data]='data.left'></tree></span></span>`
})
class TreeComponent {
data: TreeNode;
}
@Component(
{selector: 'app', template: `<tree [data]='initData'></tree>`})
export class AppComponent {
initData: TreeNode;
constructor() {
this.initData = emptyTree();
}
}
@NgModule({
imports: [BrowserModule],
bootstrap: [AppComponent],
declarations: [TreeComponent, AppComponent]
})
export class AppModule {}