Fork warning.js from [email protected]

Author: benvinegar

modules/Route.js

@@ -1,6 +1,6 @@
 var assign = require('react/lib/Object.assign');
 var invariant = require('invariant');
-var warning = require('react/lib/warning');
+var warning = require('./warning');
 var PathUtils = require('./PathUtils');
 
 var _currentRoute;

modules/createRouter.js

@@ -1,6 +1,6 @@
 /* jshint -W058 */
 var React = require('react');
-var warning = require('react/lib/warning');
+var warning = require('./warning');
 var invariant = require('invariant');
 var canUseDOM = require('can-use-dom');
 var LocationActions = require('./actions/LocationActions');

modules/createRoutesFromReactChildren.js

@@ -1,7 +1,7 @@
 /* jshint -W084 */
 var React = require('react');
 var assign = require('react/lib/Object.assign');
-var warning = require('react/lib/warning');
+var warning = require('./warning');
 var DefaultRoute = require('./components/DefaultRoute');
 var NotFoundRoute = require('./components/NotFoundRoute');
 var Redirect = require('./components/Redirect');

modules/warning.js

@@ -0,0 +1,59 @@
+/**
+ * Copyright 2014-2015, 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 https://github.com/facebook/react/tree/0.13-stable.
+ * An additional grant of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @providesModule warning
+ */
+
+"use strict";
+
+/**
+ * Similar to invariant but only logs a warning if the condition is not met.
+ * This can be used to log issues in development environments in critical
+ * paths. Removing the logging code for production environments will keep the
+ * same logic and follow the same code paths.
+ */
+
+var __DEV__ = process.env.NODE_ENV !== 'production';
+
+var warning = function () {};
+
+if (__DEV__) {
+  warning = function(condition, format, ...args) {
+    if (format === undefined) {
+      throw new Error(
+        '`warning(condition, format, ...args)` requires a warning ' +
+        'message argument'
+      );
+    }
+
+    if (format.length < 10 || /^[s\W]*$/.test(format)) {
+      throw new Error(
+        'The warning format should be able to uniquely identify this ' +
+        'warning. Please, use a more descriptive format than: ' + format
+      );
+    }
+
+    if (format.indexOf('Failed Composite propType: ') === 0) {
+      return; // Ignore CompositeComponent proptype check.
+    }
+
+    if (!condition) {
+      var argIndex = 0;
+      var message = 'Warning: ' + format.replace(/%s/g, () => args[argIndex++]);
+      console.warn(message);
+      try {
+        // --- Welcome to debugging React ---
+        // This error was thrown as a convenience so that you can use this stack
+        // to find the callsite that caused this warning to fire.
+        throw new Error(message);
+      } catch(x) {}
+    }
+  };
+}
+
+module.exports = warning;