From 559eb899657b7717e2a1013cd860407cb89c2b3c Mon Sep 17 00:00:00 2001
From: Andrew Zich <azich@fb.com>
Date: Thu, 3 Jul 2014 13:53:41 -0700
Subject: [PATCH] make invariant show formatted actual errors in all unminified
 environments

Because we can have !__DEV__ but unminified, we still want to see the
message in those cases.
---
 src/vendor/core/invariant.js | 48 +++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 25 deletions(-)

diff --git a/src/vendor/core/invariant.js b/src/vendor/core/invariant.js
index 12649d5e61..d99f3615c9 100644
--- a/src/vendor/core/invariant.js
+++ b/src/vendor/core/invariant.js
@@ -29,34 +29,32 @@
  * will remain to ensure logic does not differ in production.
  */
 
-var invariant = function(condition) {
+var invariant = function(condition, format, a, b, c, d, e, f) {
+  if (__DEV__) {
+    if (format === undefined) {
+      throw new Error('invariant requires an error message argument');
+    }
+  }
+
   if (!condition) {
-    var error = new Error(
-      'Minified exception occured; use the non-minified dev environment for ' +
-      'the full error message and additional helpful warnings.'
-    );
-    error.framesToPop = 1;
+    var error;
+    if (format === undefined) {
+      error = new Error(
+        'Minified exception occurred; use the non-minified dev environment ' +
+        'for the full error message and additional helpful warnings.'
+      );
+    } else {
+      var args = [a, b, c, d, e, f];
+      var argIndex = 0;
+      error = new Error(
+        'Invariant Violation: ' +
+        format.replace(/%s/g, function() { return args[argIndex++]; })
+      );
+    }
+
+    error.framesToPop = 1; // we don't care about invariant's own frame
     throw error;
   }
 };
 
-if (__DEV__) {
-  invariant = function(condition, format, a, b, c, d, e, f) {
-    if (format === undefined) {
-      throw new Error('invariant requires an error message argument');
-    }
-
-    if (!condition) {
-      var args = [a, b, c, d, e, f];
-      var argIndex = 0;
-      var error = new Error(
-        'Invariant Violation: ' +
-        format.replace(/%s/g, function() { return args[argIndex++]; })
-      );
-      error.framesToPop = 1; // we don't care about invariant's own frame
-      throw error;
-    }
-  };
-}
-
 module.exports = invariant;