Converts a string of text into an array of text blocks

fn.textToCharBlocks.js

/**
 * Converts a string of text into an array of text blocks with a maximum size of blockSize.
 * @author Matheus Pratta <eu@matheus.io>
 * @param {string} text
 * @param {int} blockSize
 * @returns {array}
 */
function textToCharBlocks (text, blockSize) {
    let textBlocks = [];    // Array containing our text blocks
    let currentBlock = '';  // accumulator

    for (let iChar = 0, char; char = text[iChar++];) {
        // Adds current char to accumulator
        currentBlock += char;

        // When block size is reached, push into array and reset accumulator
        if (currentBlock.length == blockSize) {
            textBlocks.push(currentBlock);
            currentBlock = '';
        }
    }

    // Checks if anything remains in accumulator, if so, push at end of array
    if (currentBlock.length > 0) textBlocks.push(currentBlock);

    // Returns our array
    return textBlocks;
}