使用npm安裝組件的時(shí)候一直報(bào)錯(cuò)，甚至連 npm -v 都報(bào)錯(cuò)京痢，isarray這個(gè)模塊也從來沒用到過

$ npm -v
internal/modules/cjs/loader.js:883
  throw err;
  ^

Error: Cannot find module 'isarray'
Require stack:
- C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\readable-stream\lib\_stream_readable.js
- C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\readable-stream\readable.js
- C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\are-we-there-yet\tracker-stream.js
- C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\are-we-there-yet\tracker-group.js
- C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\are-we-there-yet\index.js
- C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\npmlog\log.js
- C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\lib\cli.js
- C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)
    at Function.Module._load (internal/modules/cjs/loader.js:725:27)
    at Module.require (internal/modules/cjs/loader.js:952:19)
    at require (internal/modules/cjs/helpers.js:88:18)
    at Object.<anonymous> (C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm\node_modules\readable-stream\lib\_stream_readable.js:32:15)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
    at Module.load (internal/modules/cjs/loader.js:928:32)
    at Function.Module._load (internal/modules/cjs/loader.js:769:14)
    at Module.require (internal/modules/cjs/loader.js:952:19) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    'C:\\Users\\Administrator\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\readable-stream\\lib\\_stream_readable.js',
    'C:\\Users\\Administrator\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\readable-stream\\readable.js',
    'C:\\Users\\Administrator\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\are-we-there-yet\\tracker-stream.js',
    'C:\\Users\\Administrator\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\are-we-there-yet\\tracker-group.js',
    'C:\\Users\\Administrator\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\are-we-there-yet\\index.js',
    'C:\\Users\\Administrator\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\npmlog\\log.js',
    'C:\\Users\\Administrator\\AppData\\Roaming\\npm\\node_modules\\npm\\lib\\cli.js',
    'C:\\Users\\Administrator\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js'
  ]
}

解決方法：

刪除 C:\Users\你的用戶名\AppData\Roaming\ npm和npm-cache文件夾