Normalize css liked array configuration - Node.js Array

Node.js examples for Array:Array Operation

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Description

Normalize css liked array configuration

Demo Code


/**//from  ww w.j  av a  2 s.c  om
     * Normalize css liked array configuration
     * e.g.
     *  3 => [3, 3, 3, 3]
     *  [4, 2] => [4, 2, 4, 2]
     *  [4, 3, 2] => [4, 3, 2, 3]
     * @param {number|Array.<number>} val
*/
function normalizeCssArray(val) {
        var len = val.length;
        if (typeof (val) === 'number') {
            return [val, val, val, val];
        }
        else if (len === 2) {
            // vertical | horizontal
            return [val[0], val[1], val[0], val[1]];
        }
        else if (len === 3) {
            // top | horizontal | bottom
            return [val[0], val[1], val[2], val[1]];
        }
        return val;
}

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