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Mastering PostCSS for Web Design by Alex Libby

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Chapter 10. Building a Custom Processor

One of the key benefits of using PostCSS is its modular approach—we're not forced to use a large library, particularly if we only need to make use of a small part of its functionality! In this chapter, we'll pull together some of the themes we've discussed throughout earlier chapters, and create a fully working preprocessor, customized to our needs.

We'll use it to compile code for a simple site, explore using it for CMS systems such as WordPress, then take a look at extending it to work with frameworks such as CSStyle. We will cover a number of topics throughout this chapter, which will include the following:

  • Creating our processor
  • Optimizing the output
  • Adding source map and vendor prefix support
  • Testing the ...

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