From: Evan You <yyx990803@gmail.com>
Date: Mon, 12 Apr 2021 13:09:00 +0000 (-0400)
Subject: wip: testing compiler deprecation warnings
X-Git-Tag: v3.1.0-beta.1~59^2~41
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=422b13e79852118629cdb911b24a80fb897fa59f;p=thirdparty%2Fvuejs%2Fcore.git

wip: testing compiler deprecation warnings
---

diff --git a/packages/compiler-core/package.json b/packages/compiler-core/package.json
index 8adc7a6d61..0297bc1404 100644
--- a/packages/compiler-core/package.json
+++ b/packages/compiler-core/package.json
@@ -11,6 +11,7 @@
   ],
   "buildOptions": {
     "name": "VueCompilerCore",
+    "compat": true,
     "formats": [
       "esm-bundler",
       "cjs"
diff --git a/packages/compiler-dom/package.json b/packages/compiler-dom/package.json
index 8ae4bcea51..801c3b9d0a 100644
--- a/packages/compiler-dom/package.json
+++ b/packages/compiler-dom/package.json
@@ -14,6 +14,7 @@
   "sideEffects": false,
   "buildOptions": {
     "name": "VueCompilerDOM",
+    "compat": true,
     "formats": [
       "esm-bundler",
       "esm-browser",
diff --git a/packages/compiler-dom/src/transforms/vOn.ts b/packages/compiler-dom/src/transforms/vOn.ts
index 50c9bf7540..f83d4a48b1 100644
--- a/packages/compiler-dom/src/transforms/vOn.ts
+++ b/packages/compiler-dom/src/transforms/vOn.ts
@@ -92,6 +92,10 @@ export const transformOn: DirectiveTransform = (dir, node, context) => {
     const { modifiers } = dir
     if (!modifiers.length) return baseResult
 
+    if (__COMPAT__ && __DEV__ && modifiers.includes('native')) {
+      console.warn('.native modifier for v-on has been removed')
+    }
+
     let { key, value: handlerExp } = baseResult.props[0]
     const {
       keyModifiers,