Compare versions x.x.x

compareVersions.js

/**
 * This function allows you to compare two versions in x.x.x format.
 * 
 * Conditions:
 * v1 == v2 = 0
 * v1 > v2 = 1
 * v1 < v2 = -1
 * 
 * @example
 * compareVersions('0.0.0', '0.0.1');
 * 
 * @param {string} v1 - Version One. 
 * @param {string} v2 - Version Two.
 * 
 * @returns {number} - Returns a number that represents the comparison.
 *  E.g.: -1;
 */
function compareVersions(v1, v2) {
    if( v1 === v2) {
  	    return 0;
    }

	const arrV1 = v1.split('.').map(number => parseInt(number));
    const arrV2 = v2.split('.').map(number => parseInt(number));

    for(let j = 0; j < 3; j++) {
  	    if(arrV1[j] == arrV2[j]) { continue; }   
        return arrV1[j] > arrV2[j] ? 1 : -1;
    }
}