1 files changed, 92 insertions, 0 deletions
diff --git a/node_modules/react-dom/lib/ReactDOMInvalidARIAHook.js b/node_modules/react-dom/lib/ReactDOMInvalidARIAHook.js
new file mode 100644
index 000000000..aa8ba75d2
--- /dev/null
+++ b/node_modules/react-dom/lib/ReactDOMInvalidARIAHook.js
@@ -0,0 +1,92 @@
+/**
+ * Copyright 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.
+ *
+ */
+
+'use strict';
+
+var DOMProperty = require('./DOMProperty');
+var ReactComponentTreeHook = require('react/lib/ReactComponentTreeHook');
+
+var warning = require('fbjs/lib/warning');
+
+var warnedProperties = {};
+var rARIA = new RegExp('^(aria)-[' + DOMProperty.ATTRIBUTE_NAME_CHAR + ']*$');
+
+function validateProperty(tagName, name, debugID) {
+  if (warnedProperties.hasOwnProperty(name) && warnedProperties[name]) {
+    return true;
+  }
+
+  if (rARIA.test(name)) {
+    var lowerCasedName = name.toLowerCase();
+    var standardName = DOMProperty.getPossibleStandardName.hasOwnProperty(lowerCasedName) ? DOMProperty.getPossibleStandardName[lowerCasedName] : null;
+
+    // If this is an aria-* attribute, but is not listed in the known DOM
+    // DOM properties, then it is an invalid aria-* attribute.
+    if (standardName == null) {
+      warnedProperties[name] = true;
+      return false;
+    }
+    // aria-* attributes should be lowercase; suggest the lowercase version.
+    if (name !== standardName) {
+      process.env.NODE_ENV !== 'production' ? warning(false, 'Unknown ARIA attribute %s. Did you mean %s?%s', name, standardName, ReactComponentTreeHook.getStackAddendumByID(debugID)) : void 0;
+      warnedProperties[name] = true;
+      return true;
+    }
+  }
+
+  return true;
+}
+
+function warnInvalidARIAProps(debugID, element) {
+  var invalidProps = [];
+
+  for (var key in element.props) {
+    var isValid = validateProperty(element.type, key, debugID);
+    if (!isValid) {
+      invalidProps.push(key);
+    }
+  }
+
+  var unknownPropString = invalidProps.map(function (prop) {
+    return '`' + prop + '`';
+  }).join(', ');
+
+  if (invalidProps.length === 1) {
+    process.env.NODE_ENV !== 'production' ? warning(false, 'Invalid aria prop %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop%s', unknownPropString, element.type, ReactComponentTreeHook.getStackAddendumByID(debugID)) : void 0;
+  } else if (invalidProps.length > 1) {
+    process.env.NODE_ENV !== 'production' ? warning(false, 'Invalid aria props %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop%s', unknownPropString, element.type, ReactComponentTreeHook.getStackAddendumByID(debugID)) : void 0;
+  }
+}
+
+function handleElement(debugID, element) {
+  if (element == null || typeof element.type !== 'string') {
+    return;
+  }
+  if (element.type.indexOf('-') >= 0 || element.props.is) {
+    return;
+  }
+
+  warnInvalidARIAProps(debugID, element);
+}
+
+var ReactDOMInvalidARIAHook = {
+  onBeforeMountComponent: function (debugID, element) {
+    if (process.env.NODE_ENV !== 'production') {
+      handleElement(debugID, element);
+    }
+  },
+  onBeforeUpdateComponent: function (debugID, element) {
+    if (process.env.NODE_ENV !== 'production') {
+      handleElement(debugID, element);
+    }
+  }
+};
+
+module.exports = ReactDOMInvalidARIAHook;
+\ No newline at end of file