async function init() {
	let rustApp = null

	try {
		rustApp = await import("../pkg")
	} catch (e) {
		console.error(e)
		return
	}

	console.log(rustApp)

	const input = document.getElementById("upload")
	const fileReader = new FileReader()

	fileReader.onloadend = () => {
		const base64 = fileReader.result.replace(
			/^data:image\/(png|jpeg|jpg);base64,/,
			""
		)
		let img_data_url = rustApp.grayscale(base64)
		document.getElementById("new-img").setAttribute("src", img_data_url)
	}

	input.addEventListener("change", () => {
		fileReader.readAsDataURL(input.files[0])
	})
}

init()