const semver = require('semver')
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const { basename } = require('node:path')
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const { URL } = require('node:url')
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module.exports = (name, tgz) => {
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const base = basename(tgz)
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if (!base.endsWith('.tgz')) {
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return null
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}
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if (tgz.startsWith('http:/') || tgz.startsWith('https:/')) {
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const u = new URL(tgz)
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// registry url? check for most likely pattern.
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// either /@foo/bar/-/bar-1.2.3.tgz or
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// /foo/-/foo-1.2.3.tgz, and fall through to
|
// basename checking. Note that registries can
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// be mounted below the root url, so /a/b/-/x/y/foo/-/foo-1.2.3.tgz
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// is a potential option.
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const tfsplit = u.pathname.slice(1).split('/-/')
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if (tfsplit.length > 1) {
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const afterTF = tfsplit.pop()
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if (afterTF === base) {
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const pre = tfsplit.pop()
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const preSplit = pre.split(/\/|%2f/i)
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const project = preSplit.pop()
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const scope = preSplit.pop()
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return versionFromBaseScopeName(base, scope, project)
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}
|
}
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}
|
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const split = name.split(/\/|%2f/i)
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const project = split.pop()
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const scope = split.pop()
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return versionFromBaseScopeName(base, scope, project)
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}
|
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const versionFromBaseScopeName = (base, scope, name) => {
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if (!base.startsWith(name + '-')) {
|
return null
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}
|
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const parsed = semver.parse(base.substring(name.length + 1, base.length - 4))
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return parsed ? {
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name: scope && scope.charAt(0) === '@' ? `${scope}/${name}` : name,
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version: parsed.version,
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} : null
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}
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