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Angular *ngFor recursive list tree template
<h1>Angular 2 Recursive List</h1>
<ul>
<ng-template #recursiveList let-list>
<li *ngFor="let item of list">
{{item.title}}
<ul *ngIf="item.children.length > 0">
<ng-container *ngTemplateOutlet="recursiveList; context:{ $implicit: item.children }"></ng-container>
</ul>
</li>
</ng-template>
<ng-container *ngTemplateOutlet="recursiveList; context:{ $implicit: list }"></ng-container>
</ul>
import { Component } from '@angular/core';
@Component({
selector: 'yourapp-any',
templateUrl: './any.component.html' // the magic's in here
})
export class AnyComponent {
constructor() { }
// its just list data from here down
public list = [
{
title: 'childless',
children: []
},
{
title: 'great grandparent',
children: [
{
title: 'childless grandsibiling',
children: []
},
{
title: 'grandparent',
children: [
{
title: 'childless sibiling',
children: []
},
{
title: 'another childless sibiling',
children: []
},
{
title: 'parent',
children: [
{
title: 'child',
children: []
},
{
title: 'another child',
children: []
},
]
},
{
title: 'another parent',
children: [
{
title: 'child',
children: []
},
]
},
]
},
{
title: 'another grandparent',
children: [
{
title: 'parent',
children: [
{
title: 'child',
children: []
},
{
title: 'another child',
children: []
},
{
title: 'a third child',
children: []
},
{
title: 'teen mother',
children: [
{
title: 'accident',
children: []
},
]
},
]
},
]
},
]
},
];
}
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