Err

モジュール 'react-dev-utils / crossSpawn'例外Reactアプリが見つかりません



Cannot Find Modulereact Dev Utils Crossspawnexception React App



シナリオ:プラグインfetch-jsonp(cnpm install fetch-jsonp --save)をダウンロードした後に次のエラーが発生しました

internal/modules/cjs/loader.js:582 throw err ^ Error: Cannot find module 'react-dev-utils/crossSpawn' at Function.Module._resolveFilename (internal/modules/cjs/loader.js:580:15) at Function.Module._load (internal/modules/cjs/loader.js:506:25) at Module.require (internal/modules/cjs/loader.js:636:17) at require (internal/modules/cjs/helpers.js:20:18) at Object. (D:ProjectsReactProjectscreate-react-app-masterpackages eact-scriptsin eact-scripts.js:18:15) at Module._compile (internal/modules/cjs/loader.js:688:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:699:10) at Module.load (internal/modules/cjs/loader.js:598:32) at tryModuleLoad (internal/modules/cjs/loader.js:537:12) at Function.Module._load (internal/modules/cjs/loader.js:529:3) npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! @ start: `cd packages/react-scripts && node bin/react-scripts.js start` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the @ start script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm WARN Local package.json exists, but node_modules missing, did you mean to install?

解決:



node_modulesフォルダーを削除し、「npminstall」を実行します