INSTALLATION
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1.Install from npm
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npm install --save angular-tree-component
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2.Import the CSS
styles.scss
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@import '~angular-tree-component/dist/angular-tree-component.css';
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3.Import the module
app.module.ts:
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import { TreeModule } from 'angular-tree-component';

@NgModule({
  imports: [..., TreeModule],
  ...
})
export class AppModule {
  ...
}
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4.use the tree-root component:
app.component.ts:
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@Component({
  selector: 'app',
  template: '<tree-root [nodes]="nodes"></tree-root>'
});

export class App {
  nodes = [
    {
      id: 1,
      name: 'root1',
      children: [
        { id: 2, name: 'child1' },
        { id: 3, name: 'child2' }
      ]
    },
    {
      id: 4,
      name: 'root2',
      children: [
        { id: 5, name: 'child2.1' },
        {
          id: 6,
          name: 'child2.2',
          children: [
            { id: 7, name: 'subsub' }
          ]
        }
      ]
    }
  ];
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