Web server pack issue .. Module not found - reactjs

Question

I am beginner in React.js and tried many tutorials for seting up the environment for React.js!!
first it came
The CLI moved into a separate package: webpack-cli. Please install
'webpack-cli' in addition to webpack itself to use the CLI.
-> When using npm: npm install webpack-cli -D
-> When using yarn: yarn add webpack-cli -D module.js:472
throw err;
^
Error: Cannot find module 'webpack-cli/bin/config-yargs'
at Function.Module._resolveFilename (module.js:470:15)
at Function.Module._load (module.js:418:25)
at Module.require (module.js:498:17)
at require (internal/module.js:20:19)
at Object. (F:\ReactJs\FirstReact\node_modules\webpack-dev-server\bin\webpack-dev-server.js:65:1)
at Module._compile (module.js:571:32)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:488:32)
at tryModuleLoad (module.js:447:12)
at Function.Module._load (module.js:439:3)
then i run the :
npm install webpack-cli
and then i get this error below several trying may tutorials
ERROR in multi (webpack)-dev-server/client?http://localhost:8080
(webpack)/hot/dev-server.js ./src Module not found: Error: Can't
resolve './src' in 'F:\ReactJs\FirstReact' # multi
(webpack)-dev-server/client?http://localhost:8080
(webpack)/hot/dev-server.js ./src main[2]

Answer 1

the problem is in your webpack.config.js , please check with typo with (module.export). it should (module.exports)