December 2017
Intermediate to advanced
329 pages
6h 9m
Chinese
Content preview from React学习手册
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React
与
JSX
｜
95
babel-preset-env
对属于
ES2015
、
ES201
和
ES2017
规范的内容进行转译。包含了前面三个预设
模块的功能。
babel-preset-react
将
JSX
格式转译成
React.createElement
调用。
当某个新特性被纳入
ECMAScript
规范时，它会经历阶段
0
，即
Strawman
（新
提出的，带实验性质的）到第
4
阶段的成功（被接受为标准的一部分）。
Babel
为这
4
个阶段也提供了
presets
模块，因此用户可以根据需要选择相应的阶
段
presets
模块：
•
babel-preset-stage-0
：实验性提议。
•
babel-preset-stage-1
：建议。
•
babel-preset-stage-2
：草稿。
•
babel-preset-stage-3
：候选。
Webpack
简介
一旦我们在实际工作中采用了
React
，那么就会有很多问题需要考虑：如何处理
JSX
和
ES6+
的代码转译？如何管理依赖项？如果优化我们的图片和
CSS
文件？
为了解决这些问题诞生了各式各样的工具，其中包括
Browserify
、
Gulp
和
Grunt
。基于
其自身特性，并且被很多大公司所采用，
webpack
已经成为了打包
CommonJS
模块的
主流工具之一（
CommonJS
的详情可以参考第
2
章）。
webpack
是一个模块绑定器。一个模块绑定器可以兼容多种不同类型的文件
（
JavaScript, LESS, CSS, JSX, ES6
等），并且可以将它们转换成单个文件。模块化绑 ...
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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.