hexo/node_modules/hexo-util/lib/slugize.js

38 lines
1.1 KiB
JavaScript

'use strict';
const escapeDiacritic = require('./escape_diacritic');
const escapeRegExp = require('./escape_regexp');
// eslint-disable-next-line no-control-regex
const rControl = /[\u0000-\u001f]/g;
const rSpecial = /[\s~`!@#$%^&*()\-_+=[\]{}|\\;:"'<>,.?/]+/g;
function slugize(str, options = {}) {
if (typeof str !== 'string') throw new TypeError('str must be a string!');
const separator = options.separator || '-';
const escapedSep = escapeRegExp(separator);
const result = escapeDiacritic(str)
// Remove control characters
.replace(rControl, '')
// Replace special characters
.replace(rSpecial, separator)
// Remove continous separators
.replace(new RegExp(`${escapedSep}{2,}`, 'g'), separator)
// Remove prefixing and trailing separtors
.replace(new RegExp(`^${escapedSep}+|${escapedSep}+$`, 'g'), '');
switch (options.transform) {
case 1:
return result.toLowerCase();
case 2:
return result.toUpperCase();
default:
return result;
}
}
module.exports = slugize;