From 9e51297702f975ced1cfebad9a46afc46f0593bb Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Fri, 7 Feb 2020 14:24:56 -0500
Subject: [PATCH] fix(compiler-dom): fix duplicated transforms

---
 packages/compiler-dom/src/index.ts            | 45 +++++++------------
 .../src/transforms/ssrTransformComponent.ts   | 11 ++++-
 2 files changed, 25 insertions(+), 31 deletions(-)

diff --git a/packages/compiler-dom/src/index.ts b/packages/compiler-dom/src/index.ts
index 273d1f0839d..07f427e5c11 100644
--- a/packages/compiler-dom/src/index.ts
+++ b/packages/compiler-dom/src/index.ts
@@ -6,8 +6,8 @@ import {
   ParserOptions,
   RootNode,
   noopDirectiveTransform,
-  TransformPreset,
-  getBaseTransformPreset
+  NodeTransform,
+  DirectiveTransform
 } from '@vue/compiler-core'
 import { parserOptionsMinimal } from './parserOptionsMinimal'
 import { parserOptionsStandard } from './parserOptionsStandard'
@@ -23,43 +23,30 @@ export const parserOptions = __BROWSER__
   ? parserOptionsMinimal
   : parserOptionsStandard
 
-export function getDOMTransformPreset(
-  prefixIdentifiers?: boolean
-): TransformPreset {
-  const [nodeTransforms, directiveTransforms] = getBaseTransformPreset(
-    prefixIdentifiers
-  )
-  return [
-    [
-      ...nodeTransforms,
-      transformStyle,
-      ...(__DEV__ ? [warnTransitionChildren] : [])
-    ],
-    {
-      ...directiveTransforms,
-      cloak: noopDirectiveTransform,
-      html: transformVHtml,
-      text: transformVText,
-      model: transformModel, // override compiler-core
-      on: transformOn, // override compiler-core
-      show: transformShow
-    }
-  ]
+export const DOMNodeTransforms: NodeTransform[] = [
+  transformStyle,
+  ...(__DEV__ ? [warnTransitionChildren] : [])
+]
+
+export const DOMDirectiveTransforms: Record<string, DirectiveTransform> = {
+  cloak: noopDirectiveTransform,
+  html: transformVHtml,
+  text: transformVText,
+  model: transformModel, // override compiler-core
+  on: transformOn, // override compiler-core
+  show: transformShow
 }
 
 export function compile(
   template: string,
   options: CompilerOptions = {}
 ): CodegenResult {
-  const [nodeTransforms, directiveTransforms] = getDOMTransformPreset(
-    options.prefixIdentifiers
-  )
   return baseCompile(template, {
     ...parserOptions,
     ...options,
-    nodeTransforms: [...nodeTransforms, ...(options.nodeTransforms || [])],
+    nodeTransforms: [...DOMNodeTransforms, ...(options.nodeTransforms || [])],
     directiveTransforms: {
-      ...directiveTransforms,
+      ...DOMDirectiveTransforms,
       ...(options.directiveTransforms || {})
     }
   })
diff --git a/packages/compiler-ssr/src/transforms/ssrTransformComponent.ts b/packages/compiler-ssr/src/transforms/ssrTransformComponent.ts
index 500e4ee88bc..a9c38c70cfa 100644
--- a/packages/compiler-ssr/src/transforms/ssrTransformComponent.ts
+++ b/packages/compiler-ssr/src/transforms/ssrTransformComponent.ts
@@ -16,7 +16,9 @@ import {
   TRANSITION_GROUP,
   createIfStatement,
   createSimpleExpression,
-  getDOMTransformPreset,
+  getBaseTransformPreset,
+  DOMNodeTransforms,
+  DOMDirectiveTransforms,
   createReturnStatement,
   ReturnStatement,
   Namespaces,
@@ -165,9 +167,14 @@ export function ssrProcessComponent(
 
 export const rawOptionsMap = new WeakMap<RootNode, CompilerOptions>()
 
-const [vnodeNodeTransforms, vnodeDirectiveTransforms] = getDOMTransformPreset(
+const [baseNodeTransforms, baseDirectiveTransforms] = getBaseTransformPreset(
   true
 )
+const vnodeNodeTransforms = [...baseNodeTransforms, ...DOMNodeTransforms]
+const vnodeDirectiveTransforms = {
+  ...baseDirectiveTransforms,
+  ...DOMDirectiveTransforms
+}
 
 function createVNodeSlotBranch(
   props: ExpressionNode | undefined,