From: Evan You <yyx990803@gmail.com>
Date: Mon, 4 May 2020 14:17:40 +0000 (-0400)
Subject: chore: ensure warn is dev only
X-Git-Tag: v3.0.0-beta.8~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff97be15c371a11dd3f9b346933ba3729d4aa16b;p=thirdparty%2Fvuejs%2Fcore.git

chore: ensure warn is dev only
---

diff --git a/packages/runtime-core/src/apiWatch.ts b/packages/runtime-core/src/apiWatch.ts
index 322e38e6cf..4fcc0a850b 100644
--- a/packages/runtime-core/src/apiWatch.ts
+++ b/packages/runtime-core/src/apiWatch.ts
@@ -187,12 +187,13 @@ function doWatch(
     }
   } else {
     getter = NOOP
-    warn(
-      `Invalid watch source: `,
-      source,
-      `A watch source can only be a getter/effect function, a ref, ` +
-        `a reactive object, or an array of these types.`
-    )
+    __DEV__ &&
+      warn(
+        `Invalid watch source: `,
+        source,
+        `A watch source can only be a getter/effect function, a ref, ` +
+          `a reactive object, or an array of these types.`
+      )
   }
 
   if (cb && deep) {