webpack hello.js hello.bundle.js 報錯
$ webpack hello.js hello.bundle.js
C:\Users\yu\AppData\Roaming\npm\node_modules\webpack-cli\bin\cli.js:244
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? throw err;
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ^
TypeError: Cannot read property 'length' of undefined
? ? at processConfiguredOptions (C:\Users\yu\AppData\Roaming\npm\node_modules\webpack-cli\bin\convert-argv.js:160:44)
? ? at module.exports (C:\Users\yu\AppData\Roaming\npm\node_modules\webpack-cli\bin\convert-argv.js:148:10)
? ? at yargs.parse (C:\Users\yu\AppData\Roaming\npm\node_modules\webpack-cli\bin\cli.js:241:39)
? ? at Object.parse (C:\Users\yu\AppData\Roaming\npm\node_modules\webpack-cli\node_modules\[email protected]@yargs\yargs.js:552:18)
? ? at C:\Users\yu\AppData\Roaming\npm\node_modules\webpack-cli\bin\cli.js:219:8
? ? at Object.<anonymous> (C:\Users\yu\AppData\Roaming\npm\node_modules\webpack-cli\bin\cli.js:530:3)
? ? at Module._compile (internal/modules/cjs/loader.js:778:30)
? ? at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
? ? at Module.load (internal/modules/cjs/loader.js:653:32)
? ? at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
? ? at Function.Module._load (internal/modules/cjs/loader.js:585:3)
? ? at Module.require (internal/modules/cjs/loader.js:692:17)
? ? at require (internal/modules/cjs/helpers.js:25:18)
? ? at runCli (C:\Users\yu\AppData\Roaming\npm\node_modules\webpack\bin\webpack.js:54:2)
? ? at Object.<anonymous> (C:\Users\yu\AppData\Roaming\npm\node_modules\webpack\bin\webpack.js:147:2)
? ? at Module._compile (internal/modules/cjs/loader.js:778:30)
? ? at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
? ? at Module.load (internal/modules/cjs/loader.js:653:32)
? ? at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
? ? at Function.Module._load (internal/modules/cjs/loader.js:585:3)
? ? at Function.Module.runMain (internal/modules/cjs/loader.js:831:12)
? ? at startup (internal/bootstrap/node.js:283:19)
? ? at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)
2021-11-16
?webpack ./hello.js --output-path ./ --output-filename bundle.js --mode development
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復制
2021-10-23
webpack新版本不支持，建議在目錄下加個webpack.config.js文件 const?path?=?require('path');module.exports?=?{??entry:?'./hello.js',??mode:?'development',??output:?{????filename:?'hello.bundle.js',????path:?path.resolve(__dirname)??},}; 然后運行?webpack就可以了