fix(build): retain defineComponent() treeshakability in Rollup

close #8236
2023-05-08 12:12:15 +08:00 · 2023-05-08 12:12:15 +08:00 · c2172f3a0e
parent b2be75bad4
commit c2172f3a0e
1 changed files with 4 additions and 1 deletions
--- a/packages/runtime-core/src/apiDefineComponent.ts
+++ b/packages/runtime-core/src/apiDefineComponent.ts
@ -279,6 +279,9 @@ export function defineComponent(
  extraOptions?: ComponentOptions
 ) {
  return isFunction(options)
-    ? extend({ name: options.name }, extraOptions, { setup: options })
+    ? // #8326: extend call and options.name access are considered side-effects
+      // by Rollup, so we have to wrap it in a pure-annotated IIFE.
+      /*#__PURE__*/ (() =>
+        extend({ name: options.name }, extraOptions, { setup: options }))()
    : options
 }