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@csstools/css-tokenizer

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@csstools/css-tokenizer

Tokenize CSS


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What is @csstools/css-tokenizer?

@csstools/css-tokenizer is a library for tokenizing CSS. It breaks down CSS code into a stream of tokens, which can be useful for building CSS parsers, linters, or other tools that need to analyze or manipulate CSS code.

What are @csstools/css-tokenizer's main functionalities?

Tokenizing CSS

This feature allows you to tokenize a CSS string. The `tokenize` function takes a CSS string and returns an iterable of tokens, which can then be processed or analyzed.

const { tokenize } = require('@csstools/css-tokenizer');

const css = 'body { color: red; }';
const tokens = tokenize(css);

for (const token of tokens) {
  console.log(token);
}

Handling different token types

This feature demonstrates how to handle different types of tokens. The tokens returned by the `tokenize` function are arrays where the first element is the type of token and the second element is the value. This allows you to differentiate between different token types such as words, whitespace, etc.

const { tokenize } = require('@csstools/css-tokenizer');

const css = 'body { color: red; }';
const tokens = tokenize(css);

for (const token of tokens) {
  if (token[0] === 'word') {
    console.log('Word token:', token[1]);
  } else if (token[0] === 'whitespace') {
    console.log('Whitespace token');
  }
}

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Package last updated on 18 Aug 2024

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