Moves throttle and fixes implementation

src/system/function.ts

@@ -207,3 +207,27 @@ export async function sequentialize unknown>(
 export function szudzikPairing(x: number, y: number): number {
 	return x >= y ? x * x + x + y : x + y * y;
 }
+
+export function throttle<T extends (...args: any[]) => ReturnType<T>>(fn: T, delay: number) {
+	let waiting = false;
+	let waitingArgs: Parameters<T> | undefined;
+
+	return function (this: unknown, ...args: Parameters<T>) {
+		if (waiting) {
+			waitingArgs = args;
+
+			return;
+		}
+
+		waiting = true;
+		fn.apply(this, args);
+
+		setTimeout(() => {
+			waiting = false;
+
+			if (waitingArgs != null) {
+				fn.apply(this, waitingArgs);
+			}
+		}, delay);
+	};
+}

src/webviews/apps/shared/utils.ts

@@ -1,21 +0,0 @@
-export function throttle(callback: (this: unknown, ...args: unknown[]) => unknown, limit: number) {
-	let waiting = false;
-	let pending = false;
-	return function (this: unknown, ...args: unknown[]) {
-		if (waiting) {
-			pending = true;
-			return;
-		}
-
-		callback.apply(this, args);
-		waiting = true;
-
-		setTimeout(() => {
-			waiting = false;
-			if (pending) {
-				callback.apply(this, args);
-				pending = false;
-			}
-		}, limit);
-	};
-}