Restructure project as Worldshaper

src/worldshaperStudio/debounce.ts

@@ -0,0 +1,47 @@
+export function createDebouncedCallback<T extends unknown[]>(
+  callback: (...args: T) => void,
+  delayMs = 120,
+) {
+  let timerId = 0;
+  let lastArgs: T | null = null;
+
+  const run = () => {
+    timerId = 0;
+    if (!lastArgs) {
+      return;
+    }
+    const args = lastArgs;
+    lastArgs = null;
+    callback(...args);
+  };
+
+  const debounced = (...args: T) => {
+    lastArgs = args;
+    if (timerId) {
+      window.clearTimeout(timerId);
+    }
+    timerId = window.setTimeout(run, Math.max(0, Number(delayMs) || 0));
+  };
+
+  debounced.flush = () => {
+    if (timerId) {
+      window.clearTimeout(timerId);
+      run();
+      return true;
+    }
+    return false;
+  };
+
+  debounced.cancel = () => {
+    if (!timerId) {
+      lastArgs = null;
+      return false;
+    }
+    window.clearTimeout(timerId);
+    timerId = 0;
+    lastArgs = null;
+    return true;
+  };
+
+  return debounced;
+}