locutus/esm/tcl/string/repeat.js

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

export function repeat(str, count) {
    //      discuss at: https://locutus.io/tcl/repeat/
    // parity verified: Tcl 8.6
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //       example 1: repeat('ab', 3)
    //       returns 1: 'ababab'
    //       example 2: repeat('ab', 0)
    //       returns 2: ''
    //       example 3: repeat('x', -2)
    //       returns 3: ''
    const times = Math.trunc(Number(count));
    if (!Number.isFinite(times) || times <= 0) {
        return '';
    }
    return String(str).repeat(times);
}