locutus/php/strings/chunk_split.js

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

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.chunk_split = chunk_split;
function chunk_split(body, chunklen, end) {
    //      discuss at: https://locutus.io/php/chunk_split/
    // parity verified: PHP 8.3
    //     original by: Paulo Freitas
    //        input by: Brett Zamir (https://brett-zamir.me)
    //     bugfixed by: Kevin van Zonneveld (https://kvz.io)
    //     improved by: Theriault (https://github.com/Theriault)
    //       example 1: chunk_split('Hello world!', 1, '*')
    //       returns 1: 'H*e*l*l*o* *w*o*r*l*d*!*'
    //       example 2: chunk_split('Hello world!', 10, '*')
    //       returns 2: 'Hello worl*d!*'
    const parsedChunklen = Number.parseInt(String(chunklen ?? 76), 10) || 76;
    const splitEnd = end || '\r\n';
    if (parsedChunklen < 1) {
        return false;
    }
    const chunks = body.match(new RegExp(`.{0,${parsedChunklen}}`, 'g')) ?? [];
    return chunks.join(splitEnd);
}