From: Evan You <yyx990803@gmail.com>
Date: Wed, 25 Sep 2019 02:50:00 +0000 (-0400)
Subject: chore: fix browser build treeshaking for transformExpression
X-Git-Tag: v3.0.0-alpha.0~700
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=642a44f8f0c090a0d1ac7f1498c7339035319856;p=thirdparty%2Fvuejs%2Fcore.git

chore: fix browser build treeshaking for transformExpression
---

diff --git a/packages/compiler-core/src/index.ts b/packages/compiler-core/src/index.ts
index cc77e8bc2b..70de046962 100644
--- a/packages/compiler-core/src/index.ts
+++ b/packages/compiler-core/src/index.ts
@@ -17,7 +17,7 @@ export function compile(
   template: string | RootNode,
   options: CompilerOptions = {}
 ): CodegenResult {
-  if (__BROWSER__ && options.prefixIdentifiers) {
+  if (__BROWSER__ && options.prefixIdentifiers === false) {
     ;(options.onError || defaultOnError)(
       createCompilerError(ErrorCodes.X_PREFIX_ID_NOT_SUPPORTED)
     )
@@ -25,13 +25,14 @@ export function compile(
 
   const ast = isString(template) ? parse(template, options) : template
 
+  const prefixIdentifiers = !__BROWSER__ && options.prefixIdentifiers === true
   transform(ast, {
     ...options,
-    prefixIdentifiers: !__BROWSER__ && options.prefixIdentifiers === true,
+    prefixIdentifiers,
     nodeTransforms: [
       transformIf,
       transformFor,
-      transformExpression,
+      ...(prefixIdentifiers ? [transformExpression] : []),
       transformElement,
       ...(options.nodeTransforms || []) // user transforms
     ],
@@ -41,6 +42,7 @@ export function compile(
       ...(options.directiveTransforms || {}) // user transforms
     }
   })
+
   return generate(ast, options)
 }
 
diff --git a/packages/compiler-core/src/transforms/vText.ts b/packages/compiler-dom/src/directives/vText.ts
similarity index 100%
rename from packages/compiler-core/src/transforms/vText.ts
rename to packages/compiler-dom/src/directives/vText.ts