agnular4 运行报错

Question

module.js:538    throw err;    ^Error: Cannot find module '@angular-devkit/core'    at Function.Module._resolveFilename (module.js:536:15)    at Function.Module._load (module.js:466:25)    at Module.require (module.js:579:17)    at require (internal/module.js:11:18)    at Object.<anonymous> (/Users/tianview/hookcycle/node_modules/@angular-devkit/schematics/src/tree/virtual.js:10:16)    at Module._compile (module.js:635:30)    at Object.Module._extensions..js (module.js:646:10)    at Module.load (module.js:554:32)    at tryModuleLoad (module.js:497:12)    at Function.Module._load (module.js:489:3)

Answer 1

报错提示的这么明显，我真不明白有什么好疑问的。

Answer 2

运行 cnpm install --save-dev @angular-devkit/core即可，如果你用的是Angular-cli的话最好重新cnpm install 下