locutus/esm/php/math/decoct.js

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

export function decoct(number) {
    //      discuss at: https://locutus.io/php/decoct/
    // parity verified: PHP 8.3
    //     original by: Enrique Gonzalez
    //     bugfixed by: Onno Marsman (https://twitter.com/onnomarsman)
    //     improved by: https://stackoverflow.com/questions/57803/how-to-convert-decimal-to-hex-in-javascript
    //        input by: pilus
    //       example 1: decoct(15)
    //       returns 1: '17'
    //       example 2: decoct(264)
    //       returns 2: '410'
    let normalized = parseInt(String(number), 10);
    if (normalized < 0) {
        normalized = 0xffffffff + normalized + 1;
    }
    return normalized.toString(8);
}