fix: slot 中嵌套组件和event失效

Author: anchengjian

lib/mp-compiler/index.js

@@ -22,10 +22,9 @@ const {
   getPageSrc
 } = require('./util')
 
-function createSlotsWxml (emitFile, slots) {
-  cacheSlots(slots)
-  const allSlots = getSlots()
-  const content = Object.keys(allSlots).map(v => allSlots[v].code).join('\n')
+function createSlotsWxml (emitFile, slots, importCode) {
+  cacheSlots(slots, importCode)
+  const content = getSlots()
   if (content.trim()) {
     emitFile('components/slots.wxml', htmlBeautify(content))
   }
@@ -34,11 +33,11 @@ function createSlotsWxml (emitFile, slots) {
 // 调用 compiler 生成 wxml
 function genComponentWxml (compiled, options, emitFile, emitError, emitWarning) {
   options.components['slots'] = { src: 'slots', name: 'slots' }
-  const { code: wxmlCodeStr, compiled: cp, slots } = compiler.compileToWxml(compiled, options)
+  const { code: wxmlCodeStr, compiled: cp, slots, importCode } = compiler.compileToWxml(compiled, options)
   const { mpErrors, mpTips } = cp
 
   // 缓存 slots，延迟编译
-  createSlotsWxml(emitFile, slots)
+  createSlotsWxml(emitFile, slots, importCode)
 
   if (mpErrors && mpErrors.length) {
     emitError(

lib/mp-compiler/util.js

@@ -70,13 +70,18 @@ function covertCCVar (str) {
 
 // 缓存所有的 slots 节点，生成一个文件
 const slotsCache = Object.create(null)
-function cacheSlots (slots) {
+const importCodeCache = Object.create(null)
+
+function cacheSlots (slots, importCode) {
   Object.keys(slots).forEach(k => {
     slotsCache[k] = slots[k]
   })
+  importCodeCache[importCode] = importCode
 }
-function getSlots (slotName) {
-  return slotName ? slotsCache[slotName] : slotsCache
+function getSlots () {
+  const allImportCode = Object.keys(importCodeCache).map(v => importCodeCache[v]).join('\n').replace('<import src="slots" />', '')
+  const allSlots = Object.keys(slotsCache).map(v => slotsCache[v].code).join('\n')
+  return allImportCode + allSlots
 }
 
 // 包大小优化: build 模式不需要美化 wxml