node_modules

1 files changed, 52 insertions, 0 deletions

diff --git a/node_modules/fbjs/lib/getStyleProperty.js.flow b/node_modules/fbjs/lib/getStyleProperty.js.flow
new file mode 100644
index 000000000..265d15b81
--- /dev/null
+++ b/node_modules/fbjs/lib/getStyleProperty.js.flow
@@ -0,0 +1,52 @@
+/**
+ * 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.
+ *
+ * @providesModule getStyleProperty
+ * @typechecks
+ */
+
+const camelize = require('./camelize');
+const hyphenate = require('./hyphenate');
+
+function asString(value) /*?string*/{
+  return value == null ? value : String(value);
+}
+
+function getStyleProperty( /*DOMNode*/node, /*string*/name) /*?string*/{
+  let computedStyle;
+
+  // W3C Standard
+  if (window.getComputedStyle) {
+    // In certain cases such as within an iframe in FF3, this returns null.
+    computedStyle = window.getComputedStyle(node, null);
+    if (computedStyle) {
+      return asString(computedStyle.getPropertyValue(hyphenate(name)));
+    }
+  }
+  // Safari
+  if (document.defaultView && document.defaultView.getComputedStyle) {
+    computedStyle = document.defaultView.getComputedStyle(node, null);
+    // A Safari bug causes this to return null for `display: none` elements.
+    if (computedStyle) {
+      return asString(computedStyle.getPropertyValue(hyphenate(name)));
+    }
+    if (name === 'display') {
+      return 'none';
+    }
+  }
+  // Internet Explorer
+  if (node.currentStyle) {
+    if (name === 'float') {
+      return asString(node.currentStyle.cssFloat || node.currentStyle.styleFloat);
+    }
+    return asString(node.currentStyle[camelize(name)]);
+  }
+  return asString(node.style && node.style[camelize(name)]);
+}
+
+module.exports = getStyleProperty;
\ No newline at end of file