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Mastering PostCSS for Web Design by Alex Libby

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Formatting the output with the API

When parsing CSS, the output by default is going to resemble something as shown in the following screenshot:

Formatting the output with the API

It looks a really ugly mess, but is in fact the standard format for an AST tree. The trouble is, it's not very helpful if we want to use details from it in our code! To get around this, we need to convert our content into a string format: the simplest method is to use the .toString() method, which is perfect for saving the content to disk.

All of the code for the next exercise is in the T62 – adding a stringifier folder in the code download that accompanies this book.

It's a cinch to use in our Gulp file; let's ...

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