add: graphs et rushs

1 files changed, 48 insertions, 0 deletions

diff --git a/graphs/js/throttleDebounce/throttleDebounce.js b/graphs/js/throttleDebounce/throttleDebounce.js
new file mode 100644
index 0000000..f6e15f9
--- /dev/null
+++ b/graphs/js/throttleDebounce/throttleDebounce.js
@@ -0,0 +1,48 @@
+function debounce(func, n) {
+    let timer = null;
+
+    return (...args) => {
+        clearTimeout(timer);
+        timer = setTimeout(func, n, ...args);
+    };
+}
+function throttle(func, n) {
+    let throttling = false;
+    let last_args = null;
+    let last_call = Date.now();
+    let timeout = null;
+
+    return (...args) => {
+        if (!throttling) {
+            last_call = Date.now();
+            if (last_args) {
+                func.apply(this, last_args);
+                last_args = null;
+            } else {
+                func(...args);
+            }
+
+            throttling = true;
+            if (timeout) {
+                clearTimeout(timeout);
+            }
+
+            timeout = setTimeout(
+                () => {
+                    throttling = false;
+
+                    if (last_args) {
+                        func.apply(this, last_args);
+                    }
+                },
+                n - (Date.now() - last_call),
+            );
+        } else {
+            last_args = args;
+        }
+    };
+}
+module.exports = {
+    debounce,
+    throttle,
+};