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angular-post-me-service

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angular-post-me-service

Angular service using the post-me library for bidirectional communication between browser windows/frames via window.postMessage

0.10.2
latest
npmnpm
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Weekly downloads
91
-14.95%
Maintainers
1
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angular-post-me-service

Angular service using the post-me library for bidirectional communication between browser windows/frames via window.postMessage

Installation

npm install angular-post-me-service

Usage

Parent Window

import PostMeService from 'angular-post-me-service';
import { ElementRef, OnDestroy } from "@angular/core";

export class SomeComponent implements OnDestroy {
  @ViewChild('iframe') iframeRef: ElementRef;

  constructor(private postMeService: PostMeService) {
    this.postMeService.registerMethod('add', async (a: number, b: number) => {
      return a + b;
    });
    const {origin} = window.location;
    this.postMeService.connectToChildWindow(
      this.iframeRef.nativeElement.contentWindow,
      origin,
    ).then(connection => {
      connection?.request('subtract', 6, 2).then(result => {
        console.log(result);  // 4
      });
    });
  }

  ngOnDestroy() {
    this.postMeService.unregisterMethod('add');
  }
}

Child Window (e.g. iframe)

import PostMeService from 'angular-post-me-service';
import { ElementRef, OnDestroy } from "@angular/core";

export class SomeComponent implements OnDestroy {
  @ViewChild('iframe') iframeRef: ElementRef;

  constructor(private postMeService: PostMeService) {
    this.postMeService.registerMethod('subtract', async (a: number, b: number) => {
      return a - b;
    });
    const {origin} = window.location;
    this.postMeService.connectToParentWindow(parent, origin).then(connection => {
      connection?.request('add', 6, 2).then(result => {
        console.log(result);  // 8
      });
    });
  }

  ngOnDestroy() {
    this.postMeService.unregisterMethod('subtract');
  }
}

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Package last updated on 22 Jul 2023

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