tiny (nano) module for ASCII pattern output

node-ASCIIp.js

/**
 * node-ASCIIp
 * @author: contact@line-o.de
 *
 * Example:
 * var write = require('./node-ASCIIp');
 * console.log(write(' _.*._ ',12,5));
 */
module.exports = ASCIIp;

/**
 * Return ASCII pattern repeated for
 * 'height' lines with
 * 'width' characters per line.
 * 
 * @param {String} pattern
 * @param {Number} width
 * @param {Number} height
 * @returns {String} linebreak separated lines with pattern repeating
 */
function ASCIIp (pattern, width, height) {
    var max = width * height,           // maximum characters needed
        out = [],                       // length including EOL chars
        c = 0,                          // counter, index
        p = pattern.split('');          // pattern, split into an array

    while ( c < max ) {
        out.push( p[ c % p.length ]);   // add next character of pattern
        if ( c % width == width - 1 ) { // last character of this line?
            out.push("\n");             // add EOL
        }
        c++;
    }
    return out.join('');
}