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【已解决】ReactJS中使用Mobx出错:Module build failed Error Couldn’t find preset es2015 relative to directory

ReactJS crifan 934浏览 0评论

折腾:

【已解决】ReactJS中用Mobx实现最基本的状态管理

期间,代码配置:

.babelrc

{
  “presets”: [
    “env”,
    “stage-0”,
    “react”,
    “es2015”,
    “stage-1”
  ],
  “plugins”: [
    “transform-decorators-legacy”,
    “transform-runtime”,
    “react-hot-loader/babel”
  ]
}

npm run dev出错:

ERROR in ./src/app.entry.js
Module build failed: Error: Couldn’t find preset “es2015” relative to directory “/Users/crifan/dev/dev_root/xxx”
    at /Users/crifan/dev/dev_root/xxx/node_modules/babel-core/lib/transformation/file/options/option-manager.js:293:19
    at Array.map (native)
    at OptionManager.resolvePresets (/Users/crifan/dev/dev_root/xxx/node_modules/babel-core/lib/transformation/file/options/option-manager.js:275:20)
    at OptionManager.mergePresets (/Users/crifan/dev/dev_root/xxx/node_modules/babel-core/lib/transformation/file/options/option-manager.js:264:10)
    at OptionManager.mergeOptions (/Users/crifan/dev/dev_root/xxx/node_modules/babel-core/lib/transformation/file/options/option-manager.js:249:14)
    at OptionManager.init (/Users/crifan/dev/dev_root/xxx/node_modules/babel-core/lib/transformation/file/options/option-manager.js:368:12)
    at File.initOptions (/Users/crifan/dev/dev_root/xxx/node_modules/babel-core/lib/transformation/file/index.js:212:65)
    at new File (/Users/crifan/dev/dev_root/xxx/node_modules/babel-core/lib/transformation/file/index.js:135:24)
    at Pipeline.transform (/Users/crifan/dev/dev_root/xxx/node_modules/babel-core/lib/transformation/pipeline.js:46:16)
    at transpile (/Users/crifan/dev/dev_root/xxx/node_modules/babel-loader/lib/index.js:49:20)
    at Object.module.exports (/Users/crifan/dev/dev_root/xxx/node_modules/babel-loader/lib/index.js:174:20)
@ multi (webpack)-dev-server/client?http://localhost:4000 webpack/hot/dev-server ./src/app.entry.js

Error: Couldn’t find preset “es2015” relative to directory

新手遇到问题 Couldn’t find preset “es2015” relative to directory · Issue #3 · 94dreamer/webpack

Couldn’t find preset “es2015” relative to directory · Issue #158 · JeffreyWay/laravel-mix

Couldn’t find preset “es2015” relative to directory · Issue #93 · babel/gulp-babel

去安装:

babel-preset-es2015

babel-preset-stage-2

npm install babel-preset-es2015 babel-preset-stage-2

➜  rse_web git:(master) ✗ npm install babel-preset-es2015 babel-preset-stage-2
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!
rse-web@1.0.0 /Users/crifan/dev/dev_root/xxx
├── babel-preset-es2015@6.24.1
└─┬ babel-preset-stage-0@6.24.1
  └─┬ babel-preset-stage-1@6.24.1
    └─┬ babel-preset-stage-2@6.24.1
      ├── babel-plugin-syntax-dynamic-import@6.18.0
      ├─┬ babel-plugin-transform-class-properties@6.24.1
      │ └── babel-plugin-syntax-class-properties@6.13.0
      ├─┬ babel-plugin-transform-decorators@6.24.1
      │ └─┬ babel-helper-explode-class@6.24.1
      │   └── babel-helper-bindify-decorators@6.24.1
      └─┬ babel-preset-stage-3@6.24.1
        ├─┬ babel-plugin-transform-async-generator-functions@6.24.1
        │ └── babel-plugin-syntax-async-generators@6.13.0
        └─┬ babel-plugin-transform-object-rest-spread@6.26.0
          ├── babel-plugin-syntax-object-rest-spread@6.13.0
          └─┬ babel-runtime@6.26.0
            ├── core-js@2.5.1
            └── regenerator-runtime@0.11.0
npm WARN react-dom@15.6.1 requires a peer of react@^15.6.1 but none was installed.
npm WARN react-month-picker@1.3.0 requires a peer of react@^15.5.4 but none was installed.
npm WARN react-month-picker@1.3.0 requires a peer of react-dom@^15.5.4 but none was installed.
npm WARN react-tapper@0.1.14 requires a peer of react@^15.5.4 but none was installed.
npm WARN react-tapper@0.1.14 requires a peer of react-dom@^15.5.4 but none was installed.

【总结】

此处去安装:

npm install babel-preset-es2015 babel-preset-stage-2

即可消除警告:

Module build failed Error Couldn’t find preset es2015 relative to directory

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