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andreasvirkus/singularize.js

Created September 30, 2024 12:49
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  1. andreasvirkus created this gist Sep 30, 2024.
    16 changes: 16 additions & 0 deletions singularize.js
    View file
    Original file line number Diff line number Diff line change
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    function singularize(word) {
    const endings = {
    ves: 'fe',
    ies: 'y',
    i: 'us',
    zes: 'ze',
    ses: 's',
    xes: 'x',
    es: 'e',
    s: ''
    };
    return word.replace(
    new RegExp(`(${Object.keys(endings).join('|')})$`),
    r => endings[r]
    );
    }