![webpack 4: mode and optimization. webpack adds a mode option. What does… | by Tobias Koppers | webpack | Medium webpack 4: mode and optimization. webpack adds a mode option. What does… | by Tobias Koppers | webpack | Medium](https://miro.medium.com/max/1400/1*RAnStHKrhy6OhxC1DPCmmw.jpeg)
webpack 4: mode and optimization. webpack adds a mode option. What does… | by Tobias Koppers | webpack | Medium
![The 'mode' option has not been set, webpack will fallback to 'production' for this value.Field 'browser' doesn't contain a valid alias configuration - Stack Overflow The 'mode' option has not been set, webpack will fallback to 'production' for this value.Field 'browser' doesn't contain a valid alias configuration - Stack Overflow](https://i.stack.imgur.com/Np7tc.png)
The 'mode' option has not been set, webpack will fallback to 'production' for this value.Field 'browser' doesn't contain a valid alias configuration - Stack Overflow
![Setting Up Webpack for JavaScript, TypeScript and using Webpack Server | by Rodrigo Figueroa | Geek Culture | Medium Setting Up Webpack for JavaScript, TypeScript and using Webpack Server | by Rodrigo Figueroa | Geek Culture | Medium](https://miro.medium.com/max/804/1*O9alFzEdEGMWb4c3T1zMZg.png)