@ui-tool/core
Version:
45 lines • 5.19 kB
JavaScript
import { isPlatformBrowser } from '@angular/common';
import { PLATFORM_ID } from '@angular/core';
import { WINDOW } from '../../constants/injectors/injectors';
/* Define abstract class for obtaining reference to the global window object. */
export class WindowRef {
// tslint:disable-next-line:ban-types
get nativeWindow() {
throw new Error('Not implemented.');
}
}
/* Define class that implements the abstract class and returns the native window object. */
export class BrowserWindowRef extends WindowRef {
constructor() {
super();
}
// tslint:disable-next-line:ban-types
get nativeWindow() {
return window;
}
}
/* Create an factory function that returns the native window object. */
// tslint:disable-next-line:ban-types
export function windowFactory(browserWindowRef, platformId) {
if (isPlatformBrowser(platformId)) {
return browserWindowRef.nativeWindow;
}
return {};
}
/* Create a injectable provider for the WindowRef token that uses the BrowserWindowRef class. */
const browserWindowProvider = {
provide: WindowRef,
useValue: new BrowserWindowRef()
};
/* Create an injectable provider that uses the windowFactory function for returning the native window object. */
const windowProvider = {
provide: WINDOW,
useFactory: windowFactory,
deps: [WindowRef, PLATFORM_ID]
};
/* Create an array of providers. */
export const WINDOW_PROVIDERS = [
browserWindowProvider,
windowProvider
];
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