slugify
Slugifies a String
Last updated 3 months ago by simov .
MIT · Repository · Bugs · Original npm · Tarball · package.json
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slugify

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var slugify = require('slugify')

slugify('some string') // some-string

// if you prefer something other than '-' as separator
slugify('some string', '_')  // some_string
  • Vanilla ES5 JavaScript
  • No dependencies
  • Coerces foreign symbols to their English equivalent (check out the charMap for more details)
  • Works in the browser (window.slugify) and AMD/CommonJS-flavored module loaders

Options

slugify('some string', {
  replacement: '-',    // replace spaces with replacement
  remove: null,        // regex to remove characters
  lower: true,         // result in lower case
})

For example, to remove *+~.()'"!:@ from the result slug, you can use slugify('..', {remove: /[*+~.()'"!:@]/g}).

Extend

Out of the box slugify comes with support for a handful of Unicode symbols. For example the (radioactive) symbol is not defined in the charMap and therefore it will be stripped by default:

slugify('unicode ♥ is ☢') // unicode-love-is

However you can extend the supported symbols, or override the existing ones with your own:

slugify.extend({'☢': 'radioactive'})
slugify('unicode ♥ is ☢') // unicode-love-is-radioactive

Keep in mind that the extend method extends/overrides the default charMap for the entire process. In case you need a fresh instance of the slugify's charMap object you have to clean up the module cache first:

delete require.cache[require.resolve('slugify')]
var slugify = require('slugify')

Contribute

  1. Add chars to charmap.json
  2. Run tests npm test
  3. The tests will build the charmap in index.js and will sort the charmap.json
  4. Commit all modified files

This module was originally a vanilla javascript port of node-slug.
Note that the original slug module has been ported to vanilla javascript too.
One major difference between the two modules is that slugify does not depend on the external unicode module.

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