fix: make transition-group key warning a tip to avoid breaking compil…

…ation
vuejs · Dec 21, 2018 · d08b49f · d08b49f
1 parent 1c105fb
commit d08b49f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/compiler/parser/index.js b/src/compiler/parser/index.js
@@ -341,7 +341,8 @@ function processKey (el) {
         if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
           warn(
             `Do not use v-for index as key on <transition-group> children, ` +
-            `this is the same as not using keys.`
+            `this is the same as not using keys.`,
+            true /* tip */
           )
         }
       }