export class Version{ constructor(version){ this.version = version; let vmLength = (version.indexOf('.') === -1) ? version.length : version.indexOf('.'); this.versionMajor = parseInt(version.substr(0, vmLength)); this.versionMinor = parseInt(version.substr(vmLength + 1)); if (this.versionMinor.length === 0) { this.versionMinor = 0; } } newerThan(version){ let v = new Version(version); if (this.versionMajor > v.versionMajor) { return true; } else if (this.versionMajor === v.versionMajor && this.versionMinor > v.versionMinor) { return true; } else { return false; } } equalOrHigher(version){ let v = new Version(version); if (this.versionMajor > v.versionMajor) { return true; } else if (this.versionMajor === v.versionMajor && this.versionMinor >= v.versionMinor) { return true; } else { return false; } } upTo(version){ return !this.newerThan(version); } }