locutus/esm/perl/core/chop.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

export function chop(str) {
    //      discuss at: https://locutus.io/perl/chop/
    // parity verified: Perl 5.40
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //       example 1: chop('Perl')
    //       returns 1: 'Per'
    //       example 2: chop('A')
    //       returns 2: ''
    //       example 3: chop('')
    //       returns 3: ''
    const value = String(str);
    if (!value) {
        return '';
    }
    return value.slice(0, -1);
}