April 2018
Intermediate to advanced
298 pages
6h 34m
English
Content preview from React 16 Tooling
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Entry points
Entry points are used to tell Webpack where to start looking for modules used to build your application. With a simple application, you don't need anything more than a single file as your entry point. For example, this could be your index.js file that's used to render your root React component. Another way to think of this entry point, borrowing terminology from other programming languages, is the main program.
The react-scripts package looks for an index.js file in your source folder when you run the start script. It adds a couple of other entry points as well:
- Polyfills for Promise, fetch(), and Object.assign(). These are only used if they don't already exist in the target browser.
- A client for hot module reloading.
These ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.