fix: 优化部分对象表达式编译 question/104101

packages/uni-template-compiler/__tests__/compiler-mp-weixin.spec.js

@@ -132,6 +132,10 @@ describe('mp:compiler-mp-weixin', () => {
     )
     assertCodegen('<test :obj="{x:0}"></test>', '<test vue-id="551070e6-1" obj="{{({x:0})}}" bind:__l="__l"></test>')
     assertCodegen('<test :obj="{\'x\':0}"></test>', '<test vue-id="551070e6-1" obj="{{$root.a0}}" bind:__l="__l"></test>', 'with(this){var a0={"x":0};$mp.data=Object.assign({},{$root:{a0:a0}})}')
+    assertCodegen(
+      '<test :obj="{x:{x:0}}"></test>', '<test vue-id="551070e6-1" obj="{{$root.a0}}" bind:__l="__l"></test>',
+      'with(this){var a0={x:{x:0}};$mp.data=Object.assign({},{$root:{a0:a0}})}'
+    )
   })
 
   it('generate v-show directive', () => {

packages/uni-template-compiler/lib/script/traverse/data/attrs.js

@@ -12,7 +12,7 @@ module.exports = function processAttrs (paths, path, state, isComponent, tagName
     attrsPath.get('value.properties').forEach(propertyPath => {
       const valuePath = propertyPath.get('value')
       // 对于普通的ObjectExpression不再单独处理，改为在转换temlplte时用()包裹（微信、QQ）
-      if (valuePath.isObjectExpression() && valuePath.node.properties.find(({ key }) => !t.isIdentifier(key))) {
+      if (valuePath.isObjectExpression() && valuePath.node.properties.find(({ key, value }) => !t.isIdentifier(key) || !(t.isIdentifier(value) || t.isStringLiteral(value) || t.isBooleanLiteral(value) || t.isNumericLiteral(value) || t.isNullLiteral(value)))) {
         valuePath.replaceWith(getMemberExpr(path, IDENTIFIER_ATTR, valuePath.node, state))
       }
     })