When running webpack, it's possible to send a "watch" flag that will watch your project files for any changes and then rebuild them. Find out how this can make the experience of development much smoother.
- [Instructor] Running the build command…makes our developer experience much better…but let's take this one step farther.…At this point,…if I make any changes to my JavaScript file,…let's say we add react,…I'd have to have rebuild my files using…the build command again in order to generate…the new bundle.…As an alternative to this,…I could run webpack with a watch…and this will open up a listener…for any changes that I make to my JavaScript files.…When a change is made,…it'll go ahead and rebuild.…
So let's add a watch command…to our package Jason file.…Great.…So here we have our build command.…Let's also add a watch command…and the watch command is just webpack…with a w flag so two hyphens and a w.…So now if I run npm run watch,…notice that the cursor stays in place.…It doesn't end the process.…
It's still watching and listening for any changes.…So let's make the screen a little bit smaller…and I'm going to make Sublime a little bit smaller too…so that I can make an edit to my index file…and so that we can read it.…
Author
Released
12/4/2017- What is webpack?
- Running webpack from the command line
- Setting up loaders
- Loading CSS
- Compiling SCSS
- Using webpack plugins
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome34s
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1. What is webpack?
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What is webpack?1m 59s
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Installing webpack3m 1s
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Creating a webpack config3m 40s
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Using npm build scripts1m 18s
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Using a watch command2m 1s
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2. webpack Loaders
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What is a loader?1m 17s
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Setting up babel-loader3m 40s
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Using babel presets2m 44s
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Using babel-loader for React4m 12s
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3. webpack and CSS
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Loading CSS with webpack4m 44s
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Compiling SCSS3m 17s
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Loading images3m 22s
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4. webpack Plugins
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What is code splitting?1m 2s
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Adding multiple entry points5m 52s
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Bundling vendor files2m 41s
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Conclusion
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Next steps1m 1s
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Video: Using a watch command