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hoebbelsBhoebbelsB
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feat(demos): implement rxChunk demo
1 parent ee0c600 commit 7045d63

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8 files changed

+152
-10
lines changed

8 files changed

+152
-10
lines changed

‎apps/demos/src/app/features/template/chunk/basic/rx-chunk-basic.component.ts

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@@ -0,0 +1,58 @@
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import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
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import { Subject } from 'rxjs';
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import { map } from 'rxjs/operators';
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@Component({
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selector: 'rx-chunk-basic',
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template: `
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<rxa-visualizer>
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<ng-container visualizerHeader>
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<h3>*rxChunk</h3>
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<rxa-strategy-select
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(strategyChange)="strategy = $event"
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></rxa-strategy-select>
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<div>
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Rendercallback:
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<ng-container *rxLet="rendered$; let rendered">{{
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rendered
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}}</ng-container>
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</div>
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<div>
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<button mat-button (click)="showContent = !showContent">
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Toggle Content
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</button>
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</div>
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</ng-container>
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<div class="row w-100 mt-5">
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<ng-container *ngIf="showContent">
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<div class="col-6">
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<div><strong>Non-Chunked</strong></div>
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<rxa-work-visualizer
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[reCreateContentOnCd]="false"
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[work]="250"
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></rxa-work-visualizer>
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</div>
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<div class="col-6">
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<div><strong>Chunked</strong></div>
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<ng-container *rxChunk="strategy; renderCallback: renderCallback">
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<rxa-work-visualizer
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[reCreateContentOnCd]="false"
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[work]="250"
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></rxa-work-visualizer>
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</ng-container>
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</div>
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</ng-container>
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</div>
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</rxa-visualizer>
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`,
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changeDetection: ChangeDetectionStrategy.OnPush,
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})
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export class RxChunkBasicComponent {
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strategy: string;
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showContent = true;
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55+
renderCallback = new Subject<void>();
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private _rendered = 1;
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rendered$ = this.renderCallback.pipe(map(() => this._rendered++));
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}

‎apps/demos/src/app/features/template/chunk/basic/rx-chunk-basic.module.ts

Lines changed: 36 additions & 0 deletions
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import { CommonModule } from '@angular/common';
2+
import { NgModule } from '@angular/core';
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import { MatButtonModule } from '@angular/material/button';
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import { RouterModule, Routes } from '@angular/router';
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import { RxChunk } from '@rx-angular/template/chunk';
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import { RxLet } from '@rx-angular/template/let';
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import { RenderingWorkModule } from '../../../../shared/debug-helper/rendering-work/rendering-work.module';
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import { StrategySelectModule } from '../../../../shared/debug-helper/strategy-select/index';
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import { VisualizerModule } from '../../../../shared/debug-helper/visualizer/index';
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import { WorkModule } from '../../../../shared/debug-helper/work/work.module';
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import { RxChunkBasicComponent } from './rx-chunk-basic.component';
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const routes: Routes = [
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{
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path: '',
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component: RxChunkBasicComponent,
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},
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];
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@NgModule({
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imports: [
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RouterModule.forChild(routes),
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VisualizerModule,
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StrategySelectModule,
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RxChunk,
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CommonModule,
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RxLet,
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RenderingWorkModule,
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WorkModule,
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MatButtonModule,
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],
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exports: [],
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declarations: [RxChunkBasicComponent],
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providers: [],
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})
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export class RxChunkBasicModule {}

‎apps/demos/src/app/features/template/chunk/rx-chunk-demo.module.ts

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import { NgModule } from '@angular/core';
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import { CommonModule } from '@angular/common';
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import { RouterModule } from '@angular/router';
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import { ROUTES } from './rx-chunk.routes';
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@NgModule({
7+
imports: [CommonModule, RouterModule.forChild(ROUTES)],
8+
})
9+
export class RxChunkDemoModule {}

‎apps/demos/src/app/features/template/chunk/rx-chunk.menu.ts

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export const RX_CHUNK_MENU_ITEMS = [
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{
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label: 'Basic',
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link: 'basic',
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},
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];

‎apps/demos/src/app/features/template/chunk/rx-chunk.routes.ts

Lines changed: 14 additions & 0 deletions
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import { Routes } from '@angular/router';
2+
3+
export const ROUTES: Routes = [
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{
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path: '',
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redirectTo: 'basic',
7+
pathMatch: 'full',
8+
},
9+
{
10+
path: 'basic',
11+
loadChildren: () =>
12+
import('./basic/rx-chunk-basic.module').then((m) => m.RxChunkBasicModule),
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},
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];

‎apps/demos/src/app/features/template/template-shell.menu.ts

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,4 @@
1+
import { RX_CHUNK_MENU_ITEMS } from './chunk/rx-chunk.menu';
12
import { PUSH_PIPE_MENU } from './push/push.menu';
23
import { MENU_ITEMS as RX_LET_MENU_ITEMS } from './rx-let/rx-let.menu';
34
import { MENU_ITEMS as RX_IF_MENU_ITEMS } from './rx-if/rx-if.menu';
@@ -39,6 +40,11 @@ export const TEMPLATE_MENU = [
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link: 'rx-for',
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children: RX_FOR_MENU_ITEMS,
4142
},
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{
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label: '*rxChunk',
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link: 'rx-chunk',
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children: RX_CHUNK_MENU_ITEMS,
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},
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{
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label: 'Virtual Scrolling',
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link: 'rx-virtual-for',

‎apps/demos/src/app/features/template/template-shell.module.ts

Lines changed: 9 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,11 @@ const ROUTES: Routes = [
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loadChildren: () =>
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import('./rx-let/rx-let-demo.module').then((m) => m.RxLetDemoModule),
1919
},
20+
{
21+
path: 'rx-chunk',
22+
loadChildren: () =>
23+
import('./chunk/rx-chunk-demo.module').then((m) => m.RxChunkDemoModule),
24+
},
2025
{
2126
path: 'rx-if',
2227
loadChildren: () =>
@@ -31,7 +36,7 @@ const ROUTES: Routes = [
3136
path: 'rx-virtual-for',
3237
loadChildren: () =>
3338
import('./rx-virtual-for/rx-virtual-for.module').then(
34-
(m) => m.RxVirtualForDemoModule
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(m) => m.RxVirtualForDemoModule,
3540
),
3641
},
3742
{
@@ -48,7 +53,7 @@ const ROUTES: Routes = [
4853
path: 'rx-context',
4954
loadChildren: () =>
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import('./rx-context/rx-context.routed.module').then(
51-
(m) => m.RxContextRoutedModule
56+
(m) => m.RxContextRoutedModule,
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),
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},
5459
{
@@ -60,14 +65,14 @@ const ROUTES: Routes = [
6065
path: 'view-port-prio',
6166
loadChildren: () =>
6267
import('./viewport-prio/viewport-prio-demo.module').then(
63-
(m) => m.ViewportPrioModule
68+
(m) => m.ViewportPrioModule,
6469
),
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},
6671
{
6772
path: 'render-callback',
6873
loadChildren: () =>
6974
import('./render-callback/render-callback.module').then(
70-
(m) => m.RenderCallbackModule
75+
(m) => m.RenderCallbackModule,
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),
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},
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];

‎apps/demos/src/app/shared/debug-helper/visualizer/visualizer/work-visualizer.component.ts

Lines changed: 14 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -81,6 +81,8 @@ export class WorkVisualizerComponent extends Hooks {
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@Input()
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renderingsOn = false;
8383

84+
@Input() reCreateContentOnCd = true;
85+
8486
changeO$ = new ReplaySubject<Observable<any>>(1);
8587

8688
@Input()
@@ -105,24 +107,30 @@ export class WorkVisualizerComponent extends Hooks {
105107
this.changeO$.pipe(
106108
distinctUntilChanged(),
107109
switchMap((o$) =>
108-
!!this.key ? o$.pipe(map((s) => s[this.key])) : o$
110+
!!this.key ? o$.pipe(map((s) => s[this.key])) : o$,
109111
),
110112
distinctUntilChanged(),
111-
tap((v) => console.log('value', v))
112-
)
113-
)
114-
)
113+
tap((v) => console.log('value', v)),
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),
115+
),
116+
),
115117
);
116118

119+
private items: any[];
120+
117121
constructor() {
118122
super();
119123
}
120124

121125
getChildren(): number[] {
126+
if (!this.reCreateContentOnCd && this.items) {
127+
return this.items;
128+
}
122129
const items = [];
123130
for (let i = 0; i <= this.work * 10; i++) {
124131
items.push(Math.ceil(Math.random() * 100));
125132
}
126-
return items;
133+
this.items = items;
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return this.items;
127135
}
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}

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