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ng-lazy-load-component
Advanced tools
Angular pipe and directive for type casting template variables.
Angular lazy load component into HTML template.
Angular lazy load component into HTML template.
See the stackblitz demo.
Step 1: install ng-lazy-load-component
npm i ng-lazy-load-component
Step 2: Import NgLazyLoadComponentModule
into your app module, eg.:
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { AppComponent } from './app.component';
import { NgLazyLoadComponentModule } from 'ng-lazy-load-component';
@NgModule({
declarations: [AppComponent],
imports: [
BrowserModule,
CommonModule,
NgLazyLoadComponentModule,
],
providers: [],
bootstrap: [AppComponent],
],
})
export class AppModule { }
Step 2: The component to lazy load
import { CommonModule } from '@angular/common';
import { Component, EventEmitter, Input, NgModule, Output } from '@angular/core';
@Component({
selector: 'test-lazy',
template: `
Input1: {{testInput1}} <button (click)="testOutput1.emit(testInput1)">Output1</button><br />
Input2: {{testInput2}} <button (click)="testOutput2.emit(testInput2)">Output2</button>
`,
})
export class TestLazyComponent {
@Input() testInput1 = 0;
@Output() testOutput1: EventEmitter<number> = new EventEmitter<number>();
@Input() testInput2 = 0;
@Output() testOutput2: EventEmitter<number> = new EventEmitter<number>();
}
@NgModule({
declarations: [TestLazyComponent],
imports: [CommonModule],
exports: [TestLazyComponent],
})
export class TestLazyModule {}
// Export the component
export const testLazyComponent = TestLazyComponent;
Step 3: usage
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
template: `
<ng-lazy-load-component
[lazyImporter]="lazyImporter"
[componentInput]="{testInput1, testInput2}"
(componentOutput)="onComponentOutput($event)"
></ng-lazy-load-component>
`,
})
export class AppComponent {
public testInput1 = 0;
public testInput2 = 0;
lazyImporter = (): Promise<{ module: Type<any>, component: Type<any> }> => import('./test-lazy.module').then((m) => ({
module: m.TestLazyModule,
component: m.testLazyComponent
}));
onComponentOutput(event: { property: string, value: number }) {
switch (event.property) {
case 'testOutput1': this.testInput1 = event.value + 1; break;
case 'testOutput2': this.testInput2 = event.value + 1; break;
default:
break;
}
}
}
This is an open-source project. Star this repository, if you like it, or even donate. Thank you so much!
I have published some other Angular libraries, take a look:
FAQs
Lazy load Angular component into HTML template without routing.
The npm package ng-lazy-load-component receives a total of 1 weekly downloads. As such, ng-lazy-load-component popularity was classified as not popular.
We found that ng-lazy-load-component demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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