cscg24-guacamole

compare-arrays.js (553B)

import toInt from './to-int';

// compare two arrays, return the number of differences
export default function compareArrays(array1, array2, dontConvert) {
    var len = Math.min(array1.length, array2.length),
        lengthDiff = Math.abs(array1.length - array2.length),
        diffs = 0,
        i;
    for (i = 0; i < len; i++) {
        if (
            (dontConvert && array1[i] !== array2[i]) ||
            (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))
        ) {
            diffs++;
        }
    }
    return diffs + lengthDiff;
}