feat: auto import uniCloud once

packages/vue-cli-plugin-uni/lib/app-plus/index.js

@@ -63,8 +63,11 @@ const v3 = {
     const statCode = getPlatformStat()
     const pushCode = getPlatformPush()
 
-    const beforeCode = 'import \'uni-pages\';'
-
+    let beforeCode = 'import \'uni-pages\';'
+    if (JSON.parse(process.env.UNI_CLOUD_PROVIDER || '[]').length) {
+      const uniCloudLibPath = '@dcloudio/vue-cli-plugin-uni/packages/uni-cloud/dist/index.js'
+      beforeCode += `import '${uniCloudLibPath}';`
+    }
     if (!webpackConfig.optimization) {
       webpackConfig.optimization = {}
     }
@@ -270,4 +273,4 @@ if (process.env.UNI_USING_V3) {
   module.exports = v3
 } else {
   module.exports = require('../mp')
-}
+}

packages/vue-cli-plugin-uni/lib/h5/index.js

@@ -100,9 +100,12 @@ module.exports = {
       useBuiltIns = babelConfig.presets[0][1].useBuiltIns
     } catch (e) {}
 
-    const beforeCode = (useBuiltIns === 'entry' ? 'import \'@babel/polyfill\';' : '') +
+    let beforeCode = (useBuiltIns === 'entry' ? 'import \'@babel/polyfill\';' : '') +
       `import 'uni-pages';import 'uni-${process.env.UNI_PLATFORM}';`
-
+    if (JSON.parse(process.env.UNI_CLOUD_PROVIDER || '[]').length) {
+      const uniCloudLibPath = '@dcloudio/vue-cli-plugin-uni/packages/uni-cloud/dist/index.js'
+      beforeCode += `import '${uniCloudLibPath}';`
+    }
     return {
       resolve: {
         extensions: ['.nvue'],
@@ -188,4 +191,4 @@ module.exports = {
       require('./cssnano-options')(webpackConfig)
     }
   }
-}
+}

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

@@ -189,11 +189,16 @@ module.exports = {
           ? process.env.UNI_MP_PLUGIN_MAIN
           : JSON.parse(process.env.UNI_MP_PLUGIN_EXPORT)
       ).forEach(fileName => addToUniEntry(fileName))
-      beforeCode += `
-// @ts-ignore
+      beforeCode += `
+// @ts-ignore
 ${globalEnv}.__webpack_require_UNI_MP_PLUGIN__ = __webpack_require__;`
     }
 
+    if (JSON.parse(process.env.UNI_CLOUD_PROVIDER || '[]').length) {
+      const uniCloudLibPath = '@dcloudio/vue-cli-plugin-uni/packages/uni-cloud/dist/index.js'
+      beforeCode += `import '${uniCloudLibPath}';`
+    }
+
     const alias = { // 仅 mp-weixin
       'mpvue-page-factory': require.resolve(
         '@dcloudio/vue-cli-plugin-uni/packages/mpvue-page-factory')
@@ -327,4 +332,4 @@ ${globalEnv}.__webpack_require_UNI_MP_PLUGIN__ = __webpack_require__;`
     webpackConfig.plugins.delete('preload')
     webpackConfig.plugins.delete('prefetch')
   }
-}
+}