potree-sdk/src/Version.js

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);
	}

}