cnpmcore
Version:
Private NPM Registry for Enterprise
47 lines • 3.76 kB
JavaScript
import { SemVer, valid } from 'semver';
export class PaddingSemVer {
constructor(semver) {
// ignore invalid version, e.g.: '1000000000000000000.0.0' on https://registry.npmjs.com/latentflip-test
if (!valid(semver)) {
this.isPreRelease = true;
this._paddingVersion = PaddingSemVer.anyVersion();
return;
}
this.semver = new SemVer(semver);
// @ts-expect-error type definition is not correct
if (this.semver.includePrerelease) {
this.isPreRelease = true;
}
else if (this.semver.prerelease && this.semver.prerelease.length > 0) {
this.isPreRelease = true;
}
else {
this.isPreRelease = false;
}
}
get paddingVersion() {
if (!this._paddingVersion) {
this._paddingVersion =
PaddingSemVer.paddingVersion(this.semver.major) +
PaddingSemVer.paddingVersion(this.semver.minor) +
PaddingSemVer.paddingVersion(this.semver.patch);
}
return this._paddingVersion;
}
// 版本信息中为纯数字, JS 中支持的最大整型为 16 位
// 因此填充成 16 位对齐，如果版本号超过 16 位，则抛出异常
static paddingVersion(v) {
const t = String(v);
if (t.length <= 16) {
const padding = Array.from({ length: 16 - t.length })
.fill(0)
.join('');
return padding + t;
}
throw new Error(`v ${v} too long`);
}
static anyVersion() {
return '000000000000000000000000000000000000000000000000';
}
}
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