feat(mp): mp-weixin、mp-alipay 支持导出到插件

packages/uni-mp-alipay/lib/uni.config.js

@@ -25,12 +25,14 @@ module.exports = {
       copyOptions.push('uni_modules/' + module + '/mycomponents')
     })
 
-    if (process.env.UNI_MP_PLUGIN) {
-      copyOptions.push({
-        from: path.resolve(process.env.UNI_INPUT_DIR, 'plugin.json'),
-        transform: content => JSON.stringify(parseJson(content.toString(), true))
+    JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT)
+      .concat(process.env.UNI_MP_PLUGIN ? 'plugin.json' : undefined)
+      .forEach(fileName => {
+        fileName && copyOptions.push({
+          from: path.resolve(process.env.UNI_INPUT_DIR, fileName),
+          transform: content => fileName === 'plugin.json' ? JSON.stringify(parseJson(content.toString(), true)) : content
+        })
       })
-    }
 
     return copyOptions
   }

packages/uni-mp-weixin/lib/uni.config.js

@@ -32,12 +32,14 @@ module.exports = {
       'functional-pages'
     ]
 
-    if (process.env.UNI_MP_PLUGIN) {
-      copyOptions.push({
-        from: path.resolve(process.env.UNI_INPUT_DIR, 'plugin.json'),
-        transform: content => JSON.stringify(parseJson(content.toString(), true))
+    JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT)
+      .concat(process.env.UNI_MP_PLUGIN ? 'plugin.json' : undefined)
+      .forEach(fileName => {
+        fileName && copyOptions.push({
+          from: path.resolve(process.env.UNI_INPUT_DIR, fileName),
+          transform: content => fileName === 'plugin.json' ? JSON.stringify(parseJson(content.toString(), true)) : content
+        })
       })
-    }
 
     const workers = platformOptions.workers
     workers && copyOptions.push(workers)

packages/vue-cli-plugin-uni/lib/env.js

@@ -49,6 +49,9 @@ process.env.UNI_USING_V3_SCOPED = true
 
 process.env.UNI_CLOUD_PROVIDER = JSON.stringify([])
 
+// 导出到小程序插件
+process.env.UNI_MP_PLUGIN_EXPORT = JSON.stringify(Object.keys(platformOptions.plugins || {}).map(pluginName => platformOptions.plugins[pluginName].export))
+
 const isH5 = !process.env.UNI_SUB_PLATFORM && process.env.UNI_PLATFORM === 'h5'
 const isProduction = process.env.NODE_ENV === 'production'
 

packages/vue-cli-plugin-uni/lib/mp/index.js

@@ -138,6 +138,10 @@ function initSubpackageConfig (webpackConfig, vueOptions) {
   webpackConfig.output.jsonpFunction('webpackJsonp_' + (process.env.UNI_SUBPACKGE || process.env.UNI_MP_PLUGIN))
 }
 
+function addToUniEntry (fileName) {
+  fileName && (process.UNI_ENTRY[fileName.split('.')[0]] = path.resolve(process.env.UNI_INPUT_DIR, fileName))
+}
+
 module.exports = {
   vueConfig: {
     parallel: false
@@ -171,18 +175,21 @@ module.exports = {
       plugins.push(new PreprocessAssetsPlugin())
     }
 
-    if (process.env.UNI_MP_PLUGIN) {
-      // 小程序插件入口使用
-      // packages\webpack-uni-mp-loader\lib\plugin\index-new.js -> addMPPluginRequire
-      beforeCode += `${process.env.UNI_PLATFORM === 'mp-alipay' ? 'my' : 'wx'}.__webpack_require_${process.env.UNI_MP_PLUGIN.replace(/-/g, '_')}__ = __webpack_require__;`
+    {
+      const globalEnv = process.env.UNI_PLATFORM === 'mp-alipay' ? 'my' : 'wx'
+      if (process.env.UNI_MP_PLUGIN) {
+        // 小程序插件入口使用
+        // packages\webpack-uni-mp-loader\lib\plugin\index-new.js -> addMPPluginRequire
+        addToUniEntry(process.env.UNI_MP_PLUGIN_MAIN)
 
-      const UNI_MP_PLUGIN_MAIN = process.env.UNI_MP_PLUGIN_MAIN
-      if (UNI_MP_PLUGIN_MAIN) {
-        process.UNI_ENTRY[UNI_MP_PLUGIN_MAIN.split('.')[0]] = path.resolve(process.env.UNI_INPUT_DIR,
-          UNI_MP_PLUGIN_MAIN)
+        beforeCode += `${globalEnv}.__webpack_require_${process.env.UNI_MP_PLUGIN.replace(/-/g, '_')}__ = __webpack_require__;`
+      } else {
+        beforeCode += `${globalEnv}.__webpack_require_UNI_MP_PLUGIN__ = __webpack_require__;`
       }
     }
 
+    JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT).forEach(fileName => addToUniEntry(fileName))
+
     const alias = { // 仅 mp-weixin
       'mpvue-page-factory': require.resolve(
         '@dcloudio/vue-cli-plugin-uni/packages/mpvue-page-factory')

packages/webpack-uni-mp-loader/lib/plugin/index-new.js

@@ -67,33 +67,33 @@ function addSubPackagesRequire (compilation) {
 
 function addMPPluginRequire (compilation) {
   // 编译到小程序插件 特殊处理入口文件
-  if (process.env.UNI_MP_PLUGIN) {
-    const assetsKeys = Object.keys(compilation.assets)
-    assetsKeys.forEach(name => {
-      if (name === process.env.UNI_MP_PLUGIN_MAIN) {
-        const modules = compilation.modules
+  const assetsKeys = Object.keys(compilation.assets)
+  const UNI_MP_PLUGIN_MAIN = process.env.UNI_MP_PLUGIN_MAIN
+  const UNI_MP_PLUGIN_EXPORT = JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT)
+  assetsKeys.forEach(name => {
+    if ((name === UNI_MP_PLUGIN_MAIN && process.env.UNI_MP_PLUGIN) || UNI_MP_PLUGIN_EXPORT.includes(name)) {
+      const modules = compilation.modules
 
-        const mainFilePath = normalizePath(path.resolve(process.env.UNI_INPUT_DIR, process.env.UNI_MP_PLUGIN_MAIN))
+      const filePath = normalizePath(path.resolve(process.env.UNI_INPUT_DIR, name))
 
-        const uniModuleId = modules.find(module => module.resource && normalizePath(module.resource) === mainFilePath).id
+      const uniModuleId = modules.find(module => module.resource && normalizePath(module.resource) === filePath).id
 
-        const newlineIndex = compilation.assets[name].source().lastIndexOf('\n')
+      const newlineIndex = compilation.assets[name].source().lastIndexOf('\n')
 
-        const source = compilation.assets[name].source().substring(0, newlineIndex) +
-        `\nmodule.exports = ${process.env.UNI_PLATFORM === 'mp-alipay' ? 'my' : 'wx'}.__webpack_require_${process.env.UNI_MP_PLUGIN.replace(/-/g, '_')}__('${uniModuleId}');\n` +
-        compilation.assets[name].source().substring(newlineIndex + 1)
+      const source = compilation.assets[name].source().substring(0, newlineIndex) +
+    `\nmodule.exports = ${process.env.UNI_PLATFORM === 'mp-alipay' ? 'my' : 'wx'}.__webpack_require_${(process.env.UNI_MP_PLUGIN || 'UNI_MP_PLUGIN').replace(/-/g, '_')}__('${uniModuleId}');\n` +
+    compilation.assets[name].source().substring(newlineIndex + 1)
 
-        compilation.assets[name] = {
-          size () {
-            return Buffer.byteLength(source, 'utf8')
-          },
-          source () {
-            return source
-          }
+      compilation.assets[name] = {
+        size () {
+          return Buffer.byteLength(source, 'utf8')
+        },
+        source () {
+          return source
         }
       }
-    })
-  }
+    }
+  })
 }
 
 class WebpackUniMPPlugin {