mirror of https://github.com/grafana/grafana.git
48 lines
1.0 KiB
TypeScript
48 lines
1.0 KiB
TypeScript
import _ from 'lodash';
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const versionPattern = /^(\d+)(?:\.(\d+))?(?:\.(\d+))?(?:-([0-9A-Za-z\.]+))?/;
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export class SemVersion {
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major: number;
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minor: number;
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patch: number;
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meta: string;
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constructor(version: string) {
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const match = versionPattern.exec(version);
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if (match) {
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this.major = Number(match[1]);
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this.minor = Number(match[2] || 0);
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this.patch = Number(match[3] || 0);
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this.meta = match[4];
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}
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}
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isGtOrEq(version: string): boolean {
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const compared = new SemVersion(version);
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for (let i = 0; i < this.comparable.length; ++i) {
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if (this.comparable[i] > compared.comparable[i]) {
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return true;
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}
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if (this.comparable[i] < compared.comparable[i]) {
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return false;
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}
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}
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return true;
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}
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isValid(): boolean {
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return _.isNumber(this.major);
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}
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get comparable() {
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return [this.major, this.minor, this.patch];
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}
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}
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export function isVersionGtOrEq(a: string, b: string): boolean {
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const aSemver = new SemVersion(a);
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return aSemver.isGtOrEq(b);
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}
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