From: Evan You <yyx990803@gmail.com>
Date: Mon, 15 Jun 2020 14:59:03 +0000 (-0400)
Subject: fix(compiler-core): skip empty expressions when validating expressions in browser... 
X-Git-Tag: v3.0.0-beta.16~71
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=afb231ec5ce5ac77ff6260bea4d866ec2d5bbd85;p=thirdparty%2Fvuejs%2Fcore.git

fix(compiler-core): skip empty expressions when validating expressions in browser mode
---

diff --git a/packages/compiler-core/src/validateExpression.ts b/packages/compiler-core/src/validateExpression.ts
index 64f171fca7..3ba9857271 100644
--- a/packages/compiler-core/src/validateExpression.ts
+++ b/packages/compiler-core/src/validateExpression.ts
@@ -32,6 +32,13 @@ export function validateBrowserExpression(
   asRawStatements = false
 ) {
   const exp = node.content
+
+  // empty expressions are validated per-directive since some directives
+  // do allow empty expressions.
+  if (!exp.trim()) {
+    return
+  }
+
   try {
     new Function(
       asRawStatements