TGUI v3.0

This ports TGUI, and makes the old nano crew monitor and the disposal
bins use it as first examples.

tgui/packages/common/timer.js

@@ -0,0 +1,23 @@
+/**
+ * Returns a function, that, as long as it continues to be invoked, will
+ * not be triggered. The function will be called after it stops being
+ * called for N milliseconds. If `immediate` is passed, trigger the
+ * function on the leading edge, instead of the trailing.
+ */
+export const debounce = (fn, time, immediate = false) => {
+  let timeout;
+  return (...args) => {
+    const later = () => {
+      timeout = null;
+      if (!immediate) {
+        fn(...args);
+      }
+    };
+    const callNow = immediate && !timeout;
+    clearTimeout(timeout);
+    timeout = setTimeout(later, time);
+    if (callNow) {
+      fn(...args);
+    }
+  };
+};