Added mutation queues

scripts/MutationQueue.ts

@@ -0,0 +1,29 @@
+export class MutationQueue {
+	elements: Array<HTMLElement>
+	mutation: (elem: HTMLElement) => void
+
+	constructor(mutation: (elem: HTMLElement) => void) {
+		this.mutation = mutation
+		this.elements = []
+	}
+
+	queue(elem: HTMLElement) {
+		this.elements.push(elem)
+
+		if(this.elements.length === 1) {
+			window.requestAnimationFrame(() => this.mutateAll())
+		}
+	}
+
+	mutateAll() {
+		for(let i = 0; i < this.elements.length; i++) {
+			this.mutation(this.elements[i])
+		}
+
+		this.clear()
+	}
+
+	clear() {
+		this.elements.length = 0
+	}
+}