Failed to list grunt tasks in yudian-frontend-salesplatform\Gruntfile.js: process finished with exit code 1 (a non-zero exit code means an error)
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$ "C:\Program Files\nodejs\node.exe" C:\Users\admin\AppData\Roaming\npm\node_modules\grunt-cli\bin\grunt --no-color --verbose --gruntfile C:\Users\admin\Desktop\front\yudian-frontend-salesplatform\Gruntfile.js --tasks "C:\Program Files\JetBrains\IntelliJ IDEA 2018.3.3\plugins\JavaScriptLanguage\grunt_js\tasks" _intellij_grunt_tasks_fetcher
internal/modules/cjs/loader.js:582
throw err;
^
Error: Cannot find module 'coffee-script'
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.<anonymous> (C:\Users\admin\Desktop\front\yudian-frontend-salesplatform\node_modules\_grunt@0.4.5@grunt\lib\grunt.js:16:1)
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)
Process finished with exit code 1
尝试的解决方案：
cnpm install coffee-script --save-dev
还是不行的话：就删除 项目中 node_modules 目录，重新 cnpm install