update deps

node_modules/popper.js/src/utils/debounce.js

@@ -0,0 +1,54 @@
+import isBrowser from './isBrowser';
+
+const timeoutDuration = (function(){
+  const longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];
+  for (let i = 0; i < longerTimeoutBrowsers.length; i += 1) {
+    if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {
+      return 1;
+    }
+  }
+  return 0;
+}());
+
+export function microtaskDebounce(fn) {
+  let called = false
+  return () => {
+    if (called) {
+      return
+    }
+    called = true
+    window.Promise.resolve().then(() => {
+      called = false
+      fn()
+    })
+  }
+}
+
+export function taskDebounce(fn) {
+  let scheduled = false;
+  return () => {
+    if (!scheduled) {
+      scheduled = true;
+      setTimeout(() => {
+        scheduled = false;
+        fn();
+      }, timeoutDuration);
+    }
+  };
+}
+
+const supportsMicroTasks = isBrowser && window.Promise
+
+
+/**
+* Create a debounced version of a method, that's asynchronously deferred
+* but called in the minimum time possible.
+*
+* @method
+* @memberof Popper.Utils
+* @argument {Function} fn
+* @returns {Function}
+*/
+export default (supportsMicroTasks
+  ? microtaskDebounce
+  : taskDebounce);