15 lines
1.2 KiB
JavaScript
15 lines
1.2 KiB
JavaScript
const rules = [[/(m)an$/gi, '$1en'], [/(pe)rson$/gi, '$1ople'], [/(child)$/gi, '$1ren'], [/^(ox)$/gi, '$1en'], [/(ax|test)is$/gi, '$1es'], [/(octop|vir)us$/gi, '$1i'], [/(alias|status)$/gi, '$1es'], [/(bu)s$/gi, '$1ses'], [/(buffal|tomat|potat)o$/gi, '$1oes'], [/([ti])um$/gi, '$1a'], [/sis$/gi, 'ses'], [/(?:([^f])fe|([lr])f)$/gi, '$1$2ves'], [/(hive)$/gi, '$1s'], [/([^aeiouy]|qu)y$/gi, '$1ies'], [/(x|ch|ss|sh)$/gi, '$1es'], [/(matr|vert|ind)ix|ex$/gi, '$1ices'], [/([m|l])ouse$/gi, '$1ice'], [/(kn|w|l)ife$/gi, '$1ives'], [/(quiz)$/gi, '$1zes'], [/s$/gi, 's'], [/([^a-z])$/, '$1'], [/$/gi, 's']];
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const uncountables = ['advice', 'energy', 'excretion', 'digestion', 'cooperation', 'health', 'justice', 'labour', 'machinery', 'equipment', 'information', 'pollution', 'sewage', 'paper', 'money', 'species', 'series', 'rain', 'rice', 'fish', 'sheep', 'moose', 'deer', 'news', 'expertise', 'status', 'media'];
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export function pluralize(str) {
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let found; // eslint-disable-next-line
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if (!~uncountables.indexOf(str.toLowerCase())) {
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found = rules.filter(rule => str.match(rule[0]));
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if (found[0]) {
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return str.replace(found[0][0], found[0][1]);
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}
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}
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return str;
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} |