Nevar pievienot vairāk kā 25 tēmas
Tēmai ir jāsākas ar burtu vai ciparu, tā var saturēt domu zīmes ('-') un var būt līdz 35 simboliem gara.
59 rindas
1.4 KiB
59 rindas
1.4 KiB
'use strict';
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export namespace Versions {
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declare type VersionComparisonResult = -1 | 0 | 1;
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export interface Version {
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major: number;
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minor: number;
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patch: number;
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pre?: string;
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}
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export function compare(v1: string | Version, v2: string | Version): VersionComparisonResult {
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if (typeof v1 === 'string') {
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v1 = fromString(v1);
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}
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if (typeof v2 === 'string') {
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v2 = fromString(v2);
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}
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if (v1.major > v2.major) return 1;
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if (v1.major < v2.major) return -1;
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if (v1.minor > v2.minor) return 1;
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if (v1.minor < v2.minor) return -1;
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if (v1.patch > v2.patch) return 1;
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if (v1.patch < v2.patch) return -1;
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if (v1.pre === undefined && v2.pre !== undefined) return 1;
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if (v1.pre !== undefined && v2.pre === undefined) return -1;
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if (v1.pre !== undefined && v2.pre !== undefined) {
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return v1.pre.localeCompare(v2.pre) as VersionComparisonResult;
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}
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return 0;
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}
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export function from(
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major: string | number,
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minor: string | number,
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patch?: string | number,
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pre?: string
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): Version {
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return {
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major: typeof major === 'string' ? parseInt(major, 10) : major,
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minor: typeof minor === 'string' ? parseInt(minor, 10) : minor,
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patch: patch == null ? 0 : typeof patch === 'string' ? parseInt(patch, 10) : patch,
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pre: pre
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};
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}
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export function fromString(version: string): Version {
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const [ver, pre] = version.split('-');
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const [major, minor, patch] = ver.split('.');
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return from(major, minor, patch, pre);
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}
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}
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