From: Evan You <yyx990803@gmail.com>
Date: Sat, 14 Nov 2020 17:55:21 +0000 (-0500)
Subject: wip: make `<script setup>` closed by default
X-Git-Tag: v3.0.3~50^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a603d56970bb57f0107f2ab1af32b485b1adb2b8;p=thirdparty%2Fvuejs%2Fcore.git

wip: make `<script setup>` closed by default
---

diff --git a/packages/compiler-sfc/src/compileScript.ts b/packages/compiler-sfc/src/compileScript.ts
index 5829e71552..47420ca36a 100644
--- a/packages/compiler-sfc/src/compileScript.ts
+++ b/packages/compiler-sfc/src/compileScript.ts
@@ -816,13 +816,14 @@ export function compileScript(
   s.appendRight(endOffset, `\nreturn ${returned}\n}\n\n`)
 
   // 11. finalize default export
-  let runtimeOptions = ``
+  // expose: [] makes <script setup> components "closed" by default.
+  let runtimeOptions = `\n  expose: [],`
   if (optionsArg) {
-    runtimeOptions = `\n  ${scriptSetup.content
+    runtimeOptions += `\n  ${scriptSetup.content
       .slice(optionsArg.start! + 1, optionsArg.end! - 1)
       .trim()},`
   } else if (optionsType) {
-    runtimeOptions =
+    runtimeOptions +=
       genRuntimeProps(typeDeclaredProps) + genRuntimeEmits(typeDeclaredEmits)
   }
   if (isTS) {