woocommerce-paypal-payments/modules/ppcp-wc-gateway/resources/js/fraudnet.js

window.addEventListener( 'load', function () {
	function _loadBeaconJS( options ) {
		const script = document.createElement( 'script' );
		script.src = options.fnUrl;
		document.body.appendChild( script );
	}

	function _injectConfig() {
		let script = document.querySelector(
			"[fncls='fnparams-dede7cc5-15fd-4c75-a9f4-36c430ee3a99']"
		);
		if ( script ) {
			if ( script.parentNode ) {
				script.parentNode.removeChild( script );
			}
		}

		script = document.createElement( 'script' );
		script.id = 'fconfig';
		script.type = 'application/json';
		script.setAttribute(
			'fncls',
			'fnparams-dede7cc5-15fd-4c75-a9f4-36c430ee3a99'
		);

		const configuration = {
			f: FraudNetConfig.f,
			s: FraudNetConfig.s,
		};
		if ( FraudNetConfig.sandbox === '1' ) {
			configuration.sandbox = true;
		}

		script.text = JSON.stringify( configuration );
		document.body.appendChild( script );

		const payForOrderForm = document.forms.order_review;
		if ( payForOrderForm ) {
			const puiPayForOrderSessionId = document.createElement( 'input' );
			puiPayForOrderSessionId.setAttribute( 'type', 'hidden' );
			puiPayForOrderSessionId.setAttribute(
				'name',
				'pui_pay_for_order_session_id'
			);
			puiPayForOrderSessionId.setAttribute( 'value', FraudNetConfig.f );
			payForOrderForm.appendChild( puiPayForOrderSessionId );
		}

		_loadBeaconJS( { fnUrl: 'https://c.paypal.com/da/r/fb.js' } );
	}

	document.addEventListener( 'hosted_fields_loaded', ( event ) => {
		if (
			PAYPAL.asyncData &&
			typeof PAYPAL.asyncData.initAndCollect === 'function'
		) {
			PAYPAL.asyncData.initAndCollect();
		}

		_injectConfig();
	} );

	_injectConfig();
} );