Created
June 28, 2016 11:08
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JavaScript: compare semantic versions
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| /** | |
| * Semantic versioning versions compare. | |
| * @param {string} high | |
| * @param {string} low | |
| * @returns {boolean} | |
| * @author ZitRo (zitros.lab@gmail.com) | |
| * @license MIT http://www.opensource.org/licenses/mit-license.php | |
| */ | |
| function versionGT (high, low) { | |
| let v1 = high.split(/[\-\.]/g), | |
| v2 = low.split(/[\-\.]/g); | |
| for (let i = 0; i < v1.length; i++) { | |
| if (isNaN(+v1[i]) || isNaN(+v2[i])) { | |
| if (v1[i] > v2[i]) | |
| return true; | |
| else if (v1[i] < v2[i]) | |
| return false; | |
| } else { | |
| if (+v1[i] > +v2[i]) | |
| return true; | |
| else if (+v1[i] < +v2[i]) | |
| return false; | |
| } | |
| } | |
| return v2.length > v1.length; | |
| } | |
| // TEST cases: | |
| // versionGT("1.0.4", "2.0.0") === false | |
| // versionGT("2.0.4", "2.0.0") === true | |
| // versionGT("2.1.0", "2.0.6") === true | |
| // versionGT("2.0.0", "2.0.0-alpha.1") === true | |
| // versionGT("2.0.0-beta.1", "2.0.0-alpha.1") === true | |
| // versionGT("2.0.0-alpha.16", "2.0.0-beta.20") === false | |
| // versionGT("2.0.0", "2.0.0-beta.20") === true |
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