WIP - add extractor, generate snippet_data

node_modules/fbjs/lib/debounceCore.js

@@ -0,0 +1,65 @@
+"use strict";
+
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @typechecks
+ */
+
+/**
+ * Invokes the given callback after a specified number of milliseconds have
+ * elapsed, ignoring subsequent calls.
+ *
+ * For example, if you wanted to update a preview after the user stops typing
+ * you could do the following:
+ *
+ *   elem.addEventListener('keyup', debounce(this.updatePreview, 250), false);
+ *
+ * The returned function has a reset method which can be called to cancel a
+ * pending invocation.
+ *
+ *   var debouncedUpdatePreview = debounce(this.updatePreview, 250);
+ *   elem.addEventListener('keyup', debouncedUpdatePreview, false);
+ *
+ *   // later, to cancel pending calls
+ *   debouncedUpdatePreview.reset();
+ *
+ * @param {function} func - the function to debounce
+ * @param {number} wait - how long to wait in milliseconds
+ * @param {*} context - optional context to invoke the function in
+ * @param {?function} setTimeoutFunc - an implementation of setTimeout
+ *  if nothing is passed in the default setTimeout function is used
+  * @param {?function} clearTimeoutFunc - an implementation of clearTimeout
+ *  if nothing is passed in the default clearTimeout function is used
+ */
+function debounce(func, wait, context, setTimeoutFunc, clearTimeoutFunc) {
+  setTimeoutFunc = setTimeoutFunc || setTimeout;
+  clearTimeoutFunc = clearTimeoutFunc || clearTimeout;
+  var timeout;
+
+  function debouncer() {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    debouncer.reset();
+
+    var callback = function callback() {
+      func.apply(context, args);
+    };
+
+    callback.__SMmeta = func.__SMmeta;
+    timeout = setTimeoutFunc(callback, wait);
+  }
+
+  debouncer.reset = function () {
+    clearTimeoutFunc(timeout);
+  };
+
+  return debouncer;
+}
+
+module.exports = debounce;