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96 lines
1.7 KiB
JavaScript
96 lines
1.7 KiB
JavaScript
12 months ago
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'use strict';
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module.exports = pluralize;
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/**
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* Pluralization rules.
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*/
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exports.pluralization = [
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[/human$/gi, 'humans'],
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[/(m)an$/gi, '$1en'],
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[/(pe)rson$/gi, '$1ople'],
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[/(child)$/gi, '$1ren'],
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[/^(ox)$/gi, '$1en'],
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[/(ax|test)is$/gi, '$1es'],
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[/(octop|vir)us$/gi, '$1i'],
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[/(alias|status)$/gi, '$1es'],
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[/(bu)s$/gi, '$1ses'],
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[/(buffal|tomat|potat)o$/gi, '$1oes'],
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[/([ti])um$/gi, '$1a'],
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[/sis$/gi, 'ses'],
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[/(?:([^f])fe|([lr])f)$/gi, '$1$2ves'],
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[/(hive)$/gi, '$1s'],
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[/([^aeiouy]|qu)y$/gi, '$1ies'],
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[/(x|ch|ss|sh)$/gi, '$1es'],
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[/(matr|vert|ind)ix|ex$/gi, '$1ices'],
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[/([m|l])ouse$/gi, '$1ice'],
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[/(kn|w|l)ife$/gi, '$1ives'],
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[/(quiz)$/gi, '$1zes'],
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[/^goose$/i, 'geese'],
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[/s$/gi, 's'],
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[/([^a-z])$/, '$1'],
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[/$/gi, 's']
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];
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const rules = exports.pluralization;
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/**
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* Uncountable words.
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*
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* These words are applied while processing the argument to `toCollectionName`.
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* @api public
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*/
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exports.uncountables = [
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'advice',
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'energy',
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'excretion',
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'digestion',
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'cooperation',
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'health',
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'justice',
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'labour',
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'machinery',
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'equipment',
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'information',
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'pollution',
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'sewage',
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'paper',
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'money',
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'species',
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'series',
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'rain',
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'rice',
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'fish',
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'sheep',
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'moose',
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'deer',
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'news',
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'expertise',
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'status',
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'media'
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];
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const uncountables = exports.uncountables;
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/**
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* Pluralize function.
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*
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* @author TJ Holowaychuk (extracted from _ext.js_)
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* @param {String} string to pluralize
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* @api private
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*/
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function pluralize(str) {
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let found;
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str = str.toLowerCase();
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if (!~uncountables.indexOf(str)) {
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found = rules.filter(function(rule) {
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return str.match(rule[0]);
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});
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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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}
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