From f022135d7c9d52efa002a525dd9cb1636995eb54 Mon Sep 17 00:00:00 2001
From: qiang <guoshengqiang@live.com>
Date: Thu, 28 Oct 2021 18:15:40 +0800
Subject: [PATCH] fix: slot with v-for question/130258

---
 .../__tests__/compiler-app-plus.service.spec.js       | 11 +++++++++++
 packages/uni-template-compiler/lib/app/service.js     |  3 +++
 2 files changed, 14 insertions(+)

diff --git a/packages/uni-template-compiler/__tests__/compiler-app-plus.service.spec.js b/packages/uni-template-compiler/__tests__/compiler-app-plus.service.spec.js
index 7d5fe816c..7b95a1b98 100644
--- a/packages/uni-template-compiler/__tests__/compiler-app-plus.service.spec.js
+++ b/packages/uni-template-compiler/__tests__/compiler-app-plus.service.spec.js
@@ -193,6 +193,17 @@ describe('codegen', () => {
       `with(this){return _c('p',{slot:"one"})}`
     )
   })
+  
+  it('generate slot with v-for', () => {
+    assertCodegen(
+      '<div><slot v-for="item in list"></slot></div>',
+      `with(this){return _c('div',[_l((_$s(1,'f',{forItems:list})),function(item,$10,$20,$30){return _t("default",null,{"_i":("1-"+$30),"key":_$s(1,'f',{forIndex:$20,key:1+'-'+$30})})})],2)}`
+    )
+    assertCodegen(
+      '<div><template v-for="item in list"><slot></slot></template></div>',
+      `with(this){return _c('div',[_l((_$s(1,'f',{forItems:list})),function(item,$10,$20,$30){return [_t("default",null,{"_i":("2-"+$30),"key":_$s(1,'f',{forIndex:$20,keyIndex:0,key:1+'-0'+$30})})]})],2)}`
+    )
+  })
 
   it('generate scoped slot', () => {
     assertCodegen(
diff --git a/packages/uni-template-compiler/lib/app/service.js b/packages/uni-template-compiler/lib/app/service.js
index 85a0d29b3..72d36fb73 100644
--- a/packages/uni-template-compiler/lib/app/service.js
+++ b/packages/uni-template-compiler/lib/app/service.js
@@ -72,6 +72,9 @@ function parseKey (el, isScopedSlot) {
     const keyIndex = forEl.children.indexOf(el)
     el.key = genVar(V_FOR, `{forIndex:${it},keyIndex:${keyIndex},key:${el.key}}`)
   }
+  if (el.tag === 'slot') {
+    el.attrs.push({ name: 'key', value: el.key })
+  }
 }
 
 function parseComponentAttrs (el, genVar) {
-- 
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