woocommerce-paypal-payments/modules/ppcp-googlepay/resources/js/GooglepayManager.js

import buttonModuleWatcher from '../../../ppcp-button/resources/js/modules/ButtonModuleWatcher';
import GooglepayButton from './GooglepayButton';

class GooglepayManager {
	constructor( buttonConfig, ppcpConfig ) {
		this.buttonConfig = buttonConfig;
		this.ppcpConfig = ppcpConfig;
		this.googlePayConfig = null;

		this.buttons = [];

		buttonModuleWatcher.watchContextBootstrap( ( bootstrap ) => {
			const button = new GooglepayButton(
				bootstrap.context,
				bootstrap.handler,
				buttonConfig,
				ppcpConfig
			);

			this.buttons.push( button );

			if ( this.googlePayConfig ) {
				button.init( this.googlePayConfig );
			}
		} );
	}

	init() {
		( async () => {
			// Gets GooglePay configuration of the PayPal merchant.
			this.googlePayConfig = await paypal.Googlepay().config();

			for ( const button of this.buttons ) {
				button.init( this.googlePayConfig );
			}
		} )();
	}

	reinit() {
		for ( const button of this.buttons ) {
			button.reinit();
		}
	}
}

export default GooglepayManager;