23 lines
551 B
JavaScript
23 lines
551 B
JavaScript
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/**
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* semver 数值比较（轻量实现，无第三方依赖）
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* 支持 v 前缀与 prerelease 后缀（仅比较主版本号主体）
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*/
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export default function compare(a, b) {
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const pa = parse(a)
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const pb = parse(b)
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for (let i = 0; i < 3; i++) {
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if (pa[i] !== pb[i]) return pa[i] - pb[i]
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}
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return 0
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}
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function parse(v) {
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const main = String(v).replace(/^v/, '').split(/[-+]/)[0]
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const parts = main.split('.')
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return [
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parseInt(parts[0], 10) || 0,
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parseInt(parts[1], 10) || 0,
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parseInt(parts[2], 10) || 0,
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]
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}
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