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为什么 babel 不会改变我的课程?

语法错误 main.js (24,25)

图片:IE11 转换后的 main.js 文件

也许我的配置不对?

我尝试通过我的应用程序添加对 IE 11 的支持,但 babel 无法正常工作。我还从 angular.io 文档中添加了 polyfills.ts 以支持 IE。

这里我将向你展示我的.babelrc、webpack.config.js、package.json、tsconfig.json。

.babelrc

{
  "presets": [
    /*[
      "env",
      {
        "uglify":true,
        "targets":[
          "> 4%",
          "ie >= 10",
          "safari >= 8"
        ]
      }
    ]//It gives the same result*/
    "es2015", "angular2", "stage-0"
  ],
  "plugins": [
    "transform-runtime",
    "transform-decorators-legacy",
    "transform-class-properties",
    "transform-es2015-classes",
    "babel-plugin-transform-object-rest-spread",
    "syntax-object-rest-spread",
    "transform-class-constructor-call",
    "syntax-class-constructor-call"
  ]
}`

webpack.config.js

module.exports = (env = {isProd: false}) => {
const config = {
    context: srcDir,

entry: {
    polyfills: './polyfills.ts',
    vendor: './vendor.ts',
    main: './main.ts',
    styles: './styles.scss'
},

...

resolve: {
  extensions: ['.js', '.ts'],

    modules: ['node_modules']
},

module: {
  loaders: [
  ],
  rules: [
      {
          test: [/\.js$/],
          include: [
              path.resolve(__dirname,'src/')
          ],
          exclude: [
              /node_modules\/(?!cb-frontend\/).*!/
          ],
          use: {
              loader: 'babel-loader'
          }
      },
    {
      test: /\.ts$/,
      include: [srcDir],
      use: env.isProd ? '@ngtools/webpack' : [
        {
          loader: 'awesome-typescript-loader',
            options: {configFileName: 'tsconfig.json'
          }
        }, 'angular2-template-loader'
      ]
    },
   .....
},

plugins: [
  ....
    new webpack.optimize.CommonsChunkPlugin({
        name: ['main', 'vendor', 'polyfills']
    }),
  ....
  new HtmlPlugin({
      template: './index.html'
  }),
 ....
],
....}

包.json

"dependencies": {

"@angular/animations": "5.1.0",
"@angular/cdk": "5.0.1",
"@angular/common": "5.1.0",
"@angular/compiler": "5.1.0",
"@angular/core": "5.1.0",
"@angular/forms": "5.1.0",
"@angular/http": "5.1.0",
"@angular/material": "5.0.1",
"@angular/platform-browser": "5.1.0",
"@angular/platform-browser-dynamic": "5.1.0",
"@angular/platform-server": "5.1.0",
"@angular/router": "5.1.0",
"angular-2-dropdown-multiselect": "1.5.4",
"bootstrap": "4.0.0-alpha.6",
"classlist.js": "1.1.20150312",
"es6-promise": "^4.2.2",
"es6-shim": "^0.35.3",
"gulp": "3.9.1",
"hammerjs": "2.0.8",
"isomorphic-fetch": "2.2.1",
"jquery": "3.2.1",
"ng2-select2": "1.0.0-beta.10",
"ngx-clipboard": "9.0.0",
"ngx-mydatepicker": "2.1.0",
"reflect-metadata": "0.1.10",
"rxjs": "5.5.5",
"select2": "4.0.5",
"sonarqube-scanner": "2.0.2",
"systemjs": "0.19.39",
"zone.js": "0.8.18"
},

"devDependencies": {

"@angular/compiler-cli": "5.1.0",
"@ngtools/webpack": "1.9.0",
"@types/angular-resource": "1.5.6",
"@types/angular-route": "1.3.2",
"@types/angular-sanitize": "1.3.3",
"@types/jasmine": "2.5.36",
"@types/node": "7.0.31",
"angular2-template-loader": "0.6.2",
"autoprefixer": "7.1.1",
"awesome-typescript-loader": "3.1.3",
"babel-cli": "^6.26.0",
"babel-core": "^6.26.0",
"babel-loader": "^7.1.2",
"babel-plugin-syntax-object-rest-spread": "^6.3.13",
"babel-plugin-transform-class-properties": "^6.0.2",
"babel-plugin-transform-es2015-classes": "^6.18.0",
"babel-plugin-transform-es2015-modules-commonjs": "^6.14.0",
"babel-plugin-transform-es2015-template-literals": "^6.3.13",
"babel-plugin-transform-flow-strip-types": "^6.4.0",
"babel-plugin-transform-object-assign": "^6.3.13",
"babel-plugin-transform-object-rest-spread": "^6.26.0",
"babel-plugin-transform-runtime": "^6.23.0",
"babel-plugin-transform-decorators-legacy": "^1.3.4",
"babel-plugin-transform-class-constructor-call": "^6.0.2",
"babel-plugin-syntax-class-constructor-call": "^6.18.0",
"babel-polyfill": "^6.26.0",
"babel-preset-angular2": "^0.0.2",
"babel-preset-env": "^1.6.1",
"babel-preset-es2015": "6.16.0",
"babel-preset-es2015-native-modules": "^6.9.4",
"babel-preset-es2015-rollup": "1.2.0",
"babel-preset-stage-0": "^6.0.15",
"babel-register": "^6.26.0",
"concurrently": "3.0.0",
"codelyzer": "3.0.1",
"copy-webpack-plugin": "4.0.1",
"core-js": "2.5.1",
"css-loader": "0.28.7",
"extract-text-webpack-plugin": "3.0.2",
"file-loader": "0.11.2",
"html-loader": "0.4.5",
"html-webpack-plugin": "2.30.1",
"intl": "1.2.5",
"jasmine-core": "2.6.3",
"karma": "1.7.0",
"karma-chrome-launcher": "2.1.1",
"karma-coverage-istanbul-reporter": "1.3.0",
"karma-firefox-launcher": "1.0.1",
"karma-jasmine": "1.1.0",
"karma-webpack": "2.0.3",
"node-sass": "4.6.1",
"postcss-loader": "2.0.6",
"raw-loader": "0.5.1",
"sass-loader": "6.0.6",
"style-loader": "0.19.0",
"stylelint": "7.11.1",
"stylelint-config-standard": "16.0.0",
"tslint": "5.4.3",
"typedoc": "0.7.1",
"typescript": "2.5.3",
"uglifyjs-webpack-plugin": "1.0.1",
"web-animations-js": "2.3.1",
"webpack": "^3.8.1",
"webpack-chunk-hash": "^0.4.0",
"webpack-dev-server": "2.9.4",
"webpack-merge": "3.0.0"
}
}

tsconfig.json

{
"compilerOptions": {

"alwaysStrict": true,
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"module": "commonjs",
"moduleResolution": "node",
"noImplicitAny": true,
"noImplicitReturns": true,
"noImplicitThis": true,
"suppressImplicitAnyIndexErrors": true,
"noUnusedLocals": false,
"sourceMap": true,
"skipLibCheck": true,
"strictNullChecks": true,
"target": "es5",
"typeRoots": [
  "./node_modules/@types"
],
"lib": ["es2015", "dom"] /* , "es2015.promise"*/
},
"exclude": [
    "node_modules"
],
"angularCompilerOptions": {
    "genDir": ".",
    "entryModule": "./src/app/app.module#AppModule",
    "skipMetadataEmit": true
  }
}

- - 更新 - -

Package.json:devDependencies

{
    ...
    "@angular/compiler-cli": "5.1.0",
    "@ngtools/webpack": "1.9.0",
    "@types/angular-resource": "1.5.6",
    "@types/angular-route": "1.3.2",
    "@types/angular-sanitize": "1.3.3",
    "@types/jasmine": "2.5.36",
    "@types/keycloak-js": "2.5.4",
    "@types/node": "7.0.31",
    "angular2-template-loader": "0.6.2",
    "autoprefixer": "7.1.1",
    "awesome-typescript-loader": "3.1.3",
    "babel-cli": "^6.26.0",
    "babel-core": "^6.26.0",
    "babel-loader": "^7.1.2",
    "babel-polyfill": "^6.26.0",
    "babel-register": "^6.26.0",
    "babel-preset-env": "^1.6.1",
    "babel-preset-stage-0": "^6.24.1",
    "babel-preset-angular2": "^0.0.2",
    "babel-plugin-transform-runtime": "^6.23.0",
    "uglifyjs-webpack-plugin": "1.0.1",
    "web-animations-js": "2.3.1",
    ...
}
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