34 lines
1.2 KiB
JavaScript
34 lines
1.2 KiB
JavaScript
const semver = require('semver');
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module.exports = function (inputString = '', {ghostVersion = '4.0', type = 'mobiledoc'} = {}) {
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const version = semver.coerce(ghostVersion);
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if (typeof inputString !== 'string' || (inputString || '').trim() === '') {
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return '';
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}
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if (semver.satisfies(version, '<4.x')) {
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if (type === 'markdown') {
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// backwards compatible slugs used in Ghost 0.x to 3.x markdown
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return inputString.replace(/[^\w]/g, '').toLowerCase();
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} else {
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// backwards compatible slugs used in Ghost 2.x to 3.x mobiledoc
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return inputString.replace(/[<>&"?]/g, '')
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.trim()
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.replace(/[^\w]/g, '-')
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.replace(/-{2,}/g, '-')
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.toLowerCase();
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}
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} else {
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// new slugs introduced in 4.0
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// allows all chars except symbols but will urlEncode everything
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// produces %-encoded chars in src but browsers show real chars in status bar and url bar
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return encodeURIComponent(inputString.trim()
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.toLowerCase()
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.replace(/[\][!"#$%&'()*+,./:;<=>?@\\^_{|}~]/g, '')
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.replace(/\s+/g, '-')
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.replace(/^-|-{2,}|-$/g, '')
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);
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}
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};
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