Cleanup and analytics

scripts/Utils.ts

@@ -0,0 +1,14 @@
+export function* findAll(className: string) {
+	// getElementsByClassName failed for some reason.
+	// TODO: Test getElementsByClassName again.
+	// let elements = document.querySelectorAll("." + className)
+	let elements = document.getElementsByClassName(className)
+	
+	for(let i = 0; i < elements.length; ++i) {
+		yield elements[i] as HTMLElement
+	}
+}
+
+export function delay<T>(millis: number, value?: T): Promise<T> {
+	return new Promise(resolve => setTimeout(() => resolve(value), millis))
+}