小编mis*_*hav的帖子

我已在 Windows 10 上使用 npm 全局安装了 expo。当我运行基本脚本 - expo init app-name 时，我收到以下错误：

Error: No valid exports main found for 'C:\Users\Vaibhav Singh\AppData\Roaming\npm\node_modules\expo-cli\node_modules\is-promise'
    at resolveExportsTarget (internal/modules/cjs/loader.js:618:9)
    at applyExports (internal/modules/cjs/loader.js:499:14)
    at resolveExports (internal/modules/cjs/loader.js:548:12)
    at Function.Module._findPath (internal/modules/cjs/loader.js:650:22)
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:948:27)
    at Function.Module._load (internal/modules/cjs/loader.js:854:27)
    at Module.require (internal/modules/cjs/loader.js:1023:19)
    at require (internal/modules/cjs/helpers.js:72:18)
    at Object.<anonymous> (C:\Users\Vaibhav Singh\AppData\Roaming\npm\node_modules\expo-cli\node_modules\run-async\index.js:3:17)
    at Module._compile (internal/modules/cjs/loader.js:1128:30) 

这是错误引用的 is-promise 文件：

module.exports = isPromise;
module.exports.default = isPromise;

function isPromise(obj) {
  return !!obj && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === …