locutus/esm/golang/strconv/FormatInt.js

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

export function FormatInt(i, base) {
    //      discuss at: https://locutus.io/golang/strconv/FormatInt
    // parity verified: Go 1.23
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //          note 1: Returns the string representation of i in the given base (2 to 36).
    //       example 1: FormatInt(42, 10)
    //       returns 1: '42'
    //       example 2: FormatInt(255, 16)
    //       returns 2: 'ff'
    //       example 3: FormatInt(10, 2)
    //       returns 3: '1010'
    i = Number.parseInt(String(i), 10);
    base = Number.parseInt(String(base), 10) || 10;
    if (base < 2 || base > 36) {
        throw new Error('strconv: illegal base ' + base);
    }
    return i.toString(base);
}