34 lines
660 B
JavaScript
34 lines
660 B
JavaScript
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const {MAX_LENGTH} = require('../internal/constants')
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const { re, t } = require('../internal/re')
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const SemVer = require('../classes/semver')
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const parseOptions = require('../internal/parse-options')
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const parse = (version, options) => {
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options = parseOptions(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 !== 'string') {
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return null
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}
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if (version.length > MAX_LENGTH) {
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return null
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}
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const r = options.loose ? re[t.LOOSE] : re[t.FULL]
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if (!r.test(version)) {
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return null
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}
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try {
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return new SemVer(version, options)
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} catch (er) {
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return null
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}
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}
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module.exports = parse
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