Error: Unknown option: .preset的解决方案

• 有时候在使用webpack打包项目的时候会出先Error: Unknown option: .preset这个错误

ERROR in ./src/index.js
Module build failed (from ./node_modules/babel-loader/lib/index.js):
Error: Unknown option: .preset. Check out https://babeljs.io/docs/en/babel-core/#options for more information about options.
    at throwUnknownError (/Users/sataniya/Desktop/Gobang/node_modules/@babel/core/lib/config/validation/options.js:123:27)
    at /Users/sataniya/Desktop/Gobang/node_modules/@babel/core/lib/config/validation/options.js:108:5
    at Array.forEach (<anonymous>)
    at validateNested (/Users/sataniya/Desktop/Gobang/node_modules/@babel/core/lib/config/validation/options.js:84:21)
    at validate (/Users/sataniya/Desktop/Gobang/node_modules/@babel/core/lib/config/validation/options.js:75:10)
    at /Users/sataniya/Desktop/Gobang/node_modules/@babel/core/lib/config/config-chain.js:174:34
    at cachedFunction (/Users/sataniya/Desktop/Gobang/node_modules/@babel/core/lib/config/caching.js:62:27)
    at cachedFunction.next (<anonymous>)
    at evaluateSync (/Users/sataniya/Desktop/Gobang/node_modules/gensync/index.js:244:28)
    at sync (/Users/sataniya/Desktop/Gobang/node_modules/gensync/index.js:84:14)
ℹ ｢wdm｣: Failed to compile.

• 这个时候要检查.babelrc文件，因为很可能presets写成了preset或者其他

// .babelrc
{
    "presets": ["@babel/react"] // 这里必须是 presets
}

最后

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