D:\react-native\npm install
npm ERR! code ERR_STREAM_WRITE_AFTER_END
npm ERR! write after end
npm ERR! code ERR_STREAM_WRITE_AFTER_END
npm ERR! write after end
npm ERR! code ERR_STREAM_WRITE_AFTER_END
npm ERR! write after end
npm ERR! code ERR_STREAM_WRITE_AFTER_END
npm ERR! write after end
npm ERR! code ERR_STREAM_WRITE_AFTER_END
npm ERR! write after end R_END
npm ERR! write after end

解決辦法：
1、
npm config get proxy
這里返回null 說明正常
npm config get https-proxy
這里返回null 說明正常
如果返回值不為null，繼續(xù)執(zhí)行：
npm config set proxy null
npm config set https-proxy null
2、
npm config set registry http://registry.cnpmjs.org/
或者 直接編輯c盤下的.npmrc文件，將registry的值修改為：
registry = http://registry.cnpmjs.org