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Module build failed: Error: Couldn't find preset "es2015" relative to directory

危斯伯
2023-12-01

1、错误描述

F:\WebstormProjects\euw\esa>npm install babel-plugin-component -D
npm WARN ajv-keywords@3.2.0 requires a peer of ajv@^6.0.0 but none is installed. You must install peer dnpm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"dar
+ babel-plugin-component@1.1.1
added 4 packages from 3 contributors in 13.118s

F:\WebstormProjects\euw\esa>npm run dev

> esa@1.0.0 dev F:\WebstormProjects\euw\esa
> webpack-dev-server --inline --progress --config build/webpack.dev.conf.js

 94% asset optimization

 ERROR  Failed to compile with 2 errors                                                                                                                                                                                          16:10:44

 error  in (webpack)-dev-server/client?http://localhost:8081

Module build failed: Error: Couldn't find preset "es2015" relative to directory "F:\\WebstormProjects\\euw\\esa"
    at F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:293:19
    at Array.map (<anonymous>)
    at OptionManager.resolvePresets (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:275:20)
    at OptionManager.mergePresets (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:264:10)
    at OptionManager.mergeOptions (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:249:14)
    at OptionManager.init (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:368:12)
    at File.initOptions (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\index.js:212:65)
    at new File (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\index.js:135:24)
    at Pipeline.transform (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\pipeline.js:46:16)
    at transpile (F:\WebstormProjects\euw\esa\node_modules\babel-loader\lib\index.js:50:20)
    at Object.module.exports (F:\WebstormProjects\euw\esa\node_modules\babel-loader\lib\index.js:173:20)

 @ multi (webpack)-dev-server/client?http://localhost:8081 webpack/hot/dev-server ./src/main.js

 error  in ./src/main.js

Module build failed: Error: Couldn't find preset "es2015" relative to directory "F:\\WebstormProjects\\euw\\esa"
    at F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:293:19
    at Array.map (<anonymous>)
    at OptionManager.resolvePresets (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:275:20)
    at OptionManager.mergePresets (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:264:10)
    at OptionManager.mergeOptions (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:249:14)
    at OptionManager.init (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\options\option-manager.js:368:12)
    at File.initOptions (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\index.js:212:65)
    at new File (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\file\index.js:135:24)
    at Pipeline.transform (F:\WebstormProjects\euw\esa\node_modules\babel-core\lib\transformation\pipeline.js:46:16)
    at transpile (F:\WebstormProjects\euw\esa\node_modules\babel-loader\lib\index.js:50:20)
    at Object.module.exports (F:\WebstormProjects\euw\esa\node_modules\babel-loader\lib\index.js:173:20)

 @ multi (webpack)-dev-server/client?http://localhost:8081 webpack/hot/dev-server ./src/main.js

2、错误原因

      将.babelrc文件中的内容

{
  "presets": [
    ["env", {
      "modules": false,
      "targets": {
        "browsers": ["> 1%", "last 2 versions", "not ie <= 8"]
      }
    }],
    "stage-2"
  ],
  "plugins": ["transform-vue-jsx", "transform-runtime"]
}

      改为

{
  "presets": [["es2015", { "modules": false }]],
  "plugins": [
    [
      "component",
      {
        "libraryName": "element-ui",
        "styleLibraryName": "theme-chalk"
      }
    ]
  ]
}

3、解决办法

     执行一下下面命令:

npm install --save-dev babel-preset-es2015
F:\WebstormProjects\euw\esa>npm install --save-dev babel-preset-es2015
npm WARN deprecated babel-preset-es2015@6.24.1: ????  Thanks for using Babel: we recommend using babel-preset-env now: please read babeljs.io/env to update!
npm WARN ajv-keywords@3.2.0 requires a peer of ajv@^6.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

+ babel-preset-es2015@6.24.1
added 1 package from 1 contributor in 9.707s

F:\WebstormProjects\euw\esa>

 

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