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vitepress/src/markdown/slugify.ts

23 lines
754 B

// string.js slugify drops non ascii chars so we have to
// use a custom implementation here
const removeDiacritics = require('diacritics').remove
// eslint-disable-next-line no-control-regex
const rControl = /[\u0000-\u001f]/g
const rSpecial = /[\s~`!@#$%^&*()\-_+=[\]{}|\\;:"'<>,.?/]+/g
export const slugify = (str: string): string => {
return removeDiacritics(str)
// Remove control characters
.replace(rControl, '')
// Replace special characters
.replace(rSpecial, '-')
// Remove continous separators
.replace(/\-{2,}/g, '-')
// Remove prefixing and trailing separtors
.replace(/^\-+|\-+$/g, '')
// ensure it doesn't start with a number (#121)
.replace(/^(\d)/, '_$1')
// lowercase
.toLowerCase()
}