1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/fbjs/lib/getViewportDimensions.js b/node_modules/fbjs/lib/getViewportDimensions.js
new file mode 100644
index 000000000..bb6839004
--- /dev/null
+++ b/node_modules/fbjs/lib/getViewportDimensions.js
@@ -0,0 +1,59 @@
+"use strict";
+
+function getViewportWidth() {
+  var width = void 0;
+  if (document.documentElement) {
+    width = document.documentElement.clientWidth;
+  }
+
+  if (!width && document.body) {
+    width = document.body.clientWidth;
+  }
+
+  return width || 0;
+} /**
+   * Copyright (c) 2013-present, Facebook, Inc.
+   * All rights reserved.
+   *
+   * This source code is licensed under the BSD-style license found in the
+   * LICENSE file in the root directory of this source tree. An additional grant
+   * of patent rights can be found in the PATENTS file in the same directory.
+   *
+   * 
+   * @typechecks
+   */
+
+function getViewportHeight() {
+  var height = void 0;
+  if (document.documentElement) {
+    height = document.documentElement.clientHeight;
+  }
+
+  if (!height && document.body) {
+    height = document.body.clientHeight;
+  }
+
+  return height || 0;
+}
+
+/**
+ * Gets the viewport dimensions including any scrollbars.
+ */
+function getViewportDimensions() {
+  return {
+    width: window.innerWidth || getViewportWidth(),
+    height: window.innerHeight || getViewportHeight()
+  };
+}
+
+/**
+ * Gets the viewport dimensions excluding any scrollbars.
+ */
+getViewportDimensions.withoutScrollbars = function () {
+  return {
+    width: getViewportWidth(),
+    height: getViewportHeight()
+  };
+};
+
+module.exports = getViewportDimensions;
+\ No newline at end of file