ng-gapi
Version:
Angular 9+ Google api module ng-gapi
61 lines • 7.33 kB
JavaScript
import { __decorate, __param } from "tslib";
import { Inject, Injectable, InjectionToken } from '@angular/core';
import { GoogleApiConfig } from './config/GoogleApiConfig';
import { Observable } from 'rxjs';
export let NG_GAPI_CONFIG = new InjectionToken('ng-gapi.config');
let GoogleApiService = class GoogleApiService {
constructor(config) {
this.gapiUrl = 'https://apis.google.com/js/api.js';
this.observers = [];
this.config = new GoogleApiConfig(config);
this.loadGapi().subscribe();
}
onLoad() {
return this.loadGapi();
}
getConfig() {
return this.config;
}
loadGapi() {
return new Observable((observer) => {
if (this.gapiLoaded) {
observer.next(true);
observer.complete();
}
else if (!this.node) {
/**
* script element has not yet been added to document
*/
this.node = document.createElement('script');
this.node.async = true;
this.node.src = this.gapiUrl;
this.node.type = 'text/javascript';
this.node.onload = () => {
this.gapiLoaded = true;
while (this.observers.length) {
const observer = this.observers.shift();
observer.next(true);
observer.complete();
}
this.node = undefined;
};
this.node.onerror = () => {
this.node = undefined;
};
document.getElementsByTagName('head')[0].appendChild(this.node);
}
else {
/**
* script is in the middle of being loaded
*/
this.observers.push(observer);
}
});
}
};
GoogleApiService = __decorate([
Injectable(),
__param(0, Inject(NG_GAPI_CONFIG))
], GoogleApiService);
export { GoogleApiService };
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