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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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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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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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