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css-selector-tokenizer

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css-selector-tokenizer

Parses and stringifies CSS selectors


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5
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What is css-selector-tokenizer?

The css-selector-tokenizer package is a utility for parsing and tokenizing CSS selectors. It allows developers to break down complex CSS selector strings into manageable, structured tokens, facilitating easier manipulation and analysis of CSS selectors in JavaScript.

What are css-selector-tokenizer's main functionalities?

Parsing CSS selectors

This feature allows the parsing of CSS selector strings into a structured format. The code sample demonstrates how to parse a complex CSS selector involving class, id, and attribute selectors into a tokenized object.

const tokenizer = require('css-selector-tokenizer');

const parsedSelector = tokenizer.parse('.class > #id[attr=value]');
console.log(parsedSelector);

Stringifying parsed tokens

This feature converts tokenized selector objects back into string format. The code sample shows how to take a tokenized object representing a simple class selector and convert it back into a standard CSS selector string.

const tokenizer = require('css-selector-tokenizer');

const tokens = {
  type: 'selectors',
  nodes: [{
    type: 'selector',
    nodes: [{
      type: 'class',
      name: 'example'
    }]
  }]
};
const selectorString = tokenizer.stringify(tokens);
console.log(selectorString);

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Package last updated on 01 Jun 2021

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