fix(compiler-ssr): fix input w/ v-bind="obj" codegen

packages/compiler-core/src/ast.ts

@@ -52,6 +52,7 @@ export const enum NodeTypes {
   JS_TEMPLATE_LITERAL,
   JS_IF_STATEMENT,
   JS_ASSIGNMENT_EXPRESSION,
+  JS_SEQUENCE_EXPRESSION,
   JS_RETURN_STATEMENT
 }
 
@@ -282,6 +283,7 @@ export type JSChildNode =
   | ConditionalExpression
   | CacheExpression
   | AssignmentExpression
+  | SequenceExpression
 
 export interface CallExpression extends Node {
   type: NodeTypes.JS_CALL_EXPRESSION
@@ -344,6 +346,7 @@ export type SSRCodegenNode =
   | IfStatement
   | AssignmentExpression
   | ReturnStatement
+  | SequenceExpression
 
 export interface BlockStatement extends Node {
   type: NodeTypes.JS_BLOCK_STATEMENT
@@ -368,6 +371,11 @@ export interface AssignmentExpression extends Node {
   right: JSChildNode
 }
 
+export interface SequenceExpression extends Node {
+  type: NodeTypes.JS_SEQUENCE_EXPRESSION
+  expressions: JSChildNode[]
+}
+
 export interface ReturnStatement extends Node {
   type: NodeTypes.JS_RETURN_STATEMENT
   returns: TemplateChildNode | TemplateChildNode[] | JSChildNode
@@ -727,6 +735,16 @@ export function createAssignmentExpression(
   }
 }
 
+export function createSequenceExpression(
+  expressions: SequenceExpression['expressions']
+): SequenceExpression {
+  return {
+    type: NodeTypes.JS_SEQUENCE_EXPRESSION,
+    expressions,
+    loc: locStub
+  }
+}
+
 export function createReturnStatement(
   returns: ReturnStatement['returns']
 ): ReturnStatement {

packages/compiler-core/src/codegen.ts

@@ -23,7 +23,8 @@ import {
   IfStatement,
   AssignmentExpression,
   ReturnStatement,
-  VNodeCall
+  VNodeCall,
+  SequenceExpression
 } from './ast'
 import { SourceMapGenerator, RawSourceMap } from 'source-map'
 import {
@@ -593,6 +594,9 @@ function genNode(node: CodegenNode | symbol | string, context: CodegenContext) {
     case NodeTypes.JS_ASSIGNMENT_EXPRESSION:
       !__BROWSER__ && genAssignmentExpression(node, context)
       break
+    case NodeTypes.JS_SEQUENCE_EXPRESSION:
+      !__BROWSER__ && genSequenceExpression(node, context)
+      break
     case NodeTypes.JS_RETURN_STATEMENT:
       !__BROWSER__ && genReturnStatement(node, context)
       break
@@ -914,6 +918,15 @@ function genAssignmentExpression(
   genNode(node.right, context)
 }
 
+function genSequenceExpression(
+  node: SequenceExpression,
+  context: CodegenContext
+) {
+  context.push(`(`)
+  genNodeList(node.expressions, context)
+  context.push(`)`)
+}
+
 function genReturnStatement(
   { returns }: ReturnStatement,
   context: CodegenContext