小编Sab*_*ain的帖子

我第一次尝试运行webpack-4

webpack ./src/js/app.js ./dist/app.bundle.js

它显示警告/错误:

WARNING in configuration
The 'mode' option has not been set, webpack will fallback to 'production' for this value. Set 'mode' option to 'development' or 'production' to enable defaults for each environment.
You can also set it to 'none' to disable any default behavior. Learn more: https://webpack.js.org/concepts/mode/

ERROR in multi ./src/js/app.js ./dist/app.bundle.js
Module not found: Error: Can't resolve './dist/app.bundle.js' in 'D:\wamp64\www\webpack-4'
 @ multi ./src/js/app.js ./dist/app.bundle.js

然后我试着改变模式

webpack --mode development

表明 :

ERROR in Entry module …