From: Evan You <yyx990803@gmail.com>
Date: Fri, 25 Jun 2021 20:18:21 +0000 (-0400)
Subject: fix: defineExpose type definition and runtime warning
X-Git-Tag: v3.1.3~41
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1675b6d723829d1f61e697735e3da7b16aa1362d;p=thirdparty%2Fvuejs%2Fcore.git

fix: defineExpose type definition and runtime warning
---

diff --git a/packages/runtime-core/src/apiSetupHelpers.ts b/packages/runtime-core/src/apiSetupHelpers.ts
index 4679df9019..c1703f2233 100644
--- a/packages/runtime-core/src/apiSetupHelpers.ts
+++ b/packages/runtime-core/src/apiSetupHelpers.ts
@@ -61,6 +61,16 @@ export function defineEmits() {
  */
 export const defineEmit = defineEmits
 
+export function defineExpose(exposed?: Record<string, any>) {
+  if (__DEV__) {
+    warn(
+      `defineExpose() is a compiler-hint helper that is only usable inside ` +
+        `<script setup> of a single file component. Its usage should be ` +
+        `compiled away and calling it at runtime has no effect.`
+    )
+  }
+}
+
 /**
  * @deprecated use `useSlots` and `useAttrs` instead.
  */