npm Failed to construct transformer Error error:0308010C:digital envelope

Failed to construct transformer: Error: error:0308010C:digital envelope routines::unsupported

➜  PluginReact git:(master) ✗ npm start -- --reset-cache

> start
> react-native start --reset-cache


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warning: the transform cache was reset.
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Failed to construct transformer:  Error: error:0308010C:digital envelope routines::unsupported
    at new Hash (node:internal/crypto/hash:79:19)
    at Object.createHash (node:crypto:139:10)
    at stableHash (/Users/mac/.../PluginReact/node_modules/metro-cache/src/stableHash.js:19:8)
    at Object.getCacheKey (/Users/mac/.../PluginReact/node_modules/metro-transform-worker/src/index.js:593:7)
    at getTransformCacheKey (/Users/mac/.../PluginReact/node_modules/metro/src/DeltaBundler/getTransformCacheKey.js:24:19)
    at new Transformer (/Users/mac/.../PluginReact/node_modules/metro/src/DeltaBundler/Transformer.js:48:9)
    at /Users/mac/.../PluginReact/node_modules/metro/src/Bundler.js:22:29 {
  opensslErrorStack: [
    'error:03000086:digital envelope routines::initialization error',
    'error:0308010C:digital envelope routines::unsupported'
  ],
  library: 'digital envelope routines',
  reason: 'unsupported',
  code: 'ERR_OSSL_EVP_UNSUPPORTED'
}

这个报错其实是Node.js版本和OpenSSL默认配置不兼容导致的，常见在Node 17+或者Node 18下跑React Native / Metro bundler的时候。

这是因为Node.js从v17开始启用了新的OpenSSL 3.0，老代码里用的createHash('md4')、md5等算法默认被禁用了。

解决方法，加环境变量：

export NODE_OPTIONS=--openssl-legacy-provider