@360works/fmpromise/src/fm-proxy.ts

Richer FileMaker WebViewer

interface FileMaker {
	PerformScript(script:string, parameter:string):string
	PerformScriptWithOption(script:string, parameter:string, option:number): string
}

declare global {
    interface Window { FileMaker: FileMaker }
}

const FMProxy:Promise<FileMaker> = new Promise((resolve, reject) => {
	let triesLeft = 100;
	const pollingId = window.setInterval(() => {
		// noinspection JSUnresolvedVariable,JSUnresolvedFunction
		if (window.FileMaker) {
			window.clearInterval(pollingId);
			resolve(window.FileMaker);
		} else if (!triesLeft--) {
			window.clearInterval(pollingId);
			reject('No window.FileMaker object was loaded after polling timeout.');
		}
	}, 10);
})

export default FMProxy;