1 files changed, 66 insertions, 0 deletions
diff --git a/node_modules/fbjs/lib/warning.js b/node_modules/fbjs/lib/warning.js
new file mode 100644
index 000000000..502bb610d
--- /dev/null
+++ b/node_modules/fbjs/lib/warning.js
@@ -0,0 +1,66 @@
+/**
+ * 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 this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+
+'use strict';
+
+var emptyFunction = require('./emptyFunction');
+
+/**
+ * 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 warning = emptyFunction;
+
+if (process.env.NODE_ENV !== 'production') {
+  (function () {
+    var printWarning = function printWarning(format) {
+      for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+        args[_key - 1] = arguments[_key];
+      }
+
+      var argIndex = 0;
+      var message = 'Warning: ' + format.replace(/%s/g, function () {
+        return args[argIndex++];
+      });
+      if (typeof console !== 'undefined') {
+        console.error(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) {}
+    };
+
+    warning = function warning(condition, format) {
+      if (format === undefined) {
+        throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
+      }
+
+      if (format.indexOf('Failed Composite propType: ') === 0) {
+        return; // Ignore CompositeComponent proptype check.
+      }
+
+      if (!condition) {
+        for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
+          args[_key2 - 2] = arguments[_key2];
+        }
+
+        printWarning.apply(undefined, [format].concat(args));
+      }
+    };
+  })();
+}
+
+module.exports = warning;
+\ No newline at end of file