1564396449
详细说明: - 添加了V2版本的工作流页面和结果页面 - 更新了Serena记忆文件 - 添加了详细实施计划文档 - 优化了Vite配置 - 更新了项目文档CLAUDE.md - 构建了演示系统的dist版本 - 包含了exhibition-demo的完整依赖
63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
'use strict'
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const SemVer = require('../classes/semver')
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const parse = require('./parse')
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const { safeRe: re, t } = require('../internal/re')
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const coerce = (version, options) => {
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if (version instanceof SemVer) {
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return version
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}
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if (typeof version === 'number') {
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version = String(version)
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}
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if (typeof version !== 'string') {
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return null
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}
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options = options || {}
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let match = null
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if (!options.rtl) {
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match = version.match(options.includePrerelease ? re[t.COERCEFULL] : re[t.COERCE])
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} else {
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// Find the right-most coercible string that does not share
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// a terminus with a more left-ward coercible string.
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// Eg, '1.2.3.4' wants to coerce '2.3.4', not '3.4' or '4'
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// With includePrerelease option set, '1.2.3.4-rc' wants to coerce '2.3.4-rc', not '2.3.4'
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//
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// Walk through the string checking with a /g regexp
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// Manually set the index so as to pick up overlapping matches.
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// Stop when we get a match that ends at the string end, since no
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// coercible string can be more right-ward without the same terminus.
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const coerceRtlRegex = options.includePrerelease ? re[t.COERCERTLFULL] : re[t.COERCERTL]
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let next
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while ((next = coerceRtlRegex.exec(version)) &&
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(!match || match.index + match[0].length !== version.length)
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) {
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if (!match ||
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next.index + next[0].length !== match.index + match[0].length) {
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match = next
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}
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coerceRtlRegex.lastIndex = next.index + next[1].length + next[2].length
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}
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// leave it in a clean state
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coerceRtlRegex.lastIndex = -1
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}
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if (match === null) {
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return null
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}
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const major = match[2]
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const minor = match[3] || '0'
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const patch = match[4] || '0'
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const prerelease = options.includePrerelease && match[5] ? `-${match[5]}` : ''
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const build = options.includePrerelease && match[6] ? `+${match[6]}` : ''
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return parse(`${major}.${minor}.${patch}${prerelease}${build}`, options)
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}
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module.exports = coerce
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