123 lines
4.1 KiB
JavaScript
123 lines
4.1 KiB
JavaScript
'use strict'
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const parseUrl = require('./parse-url')
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// look for github shorthand inputs, such as npm/cli
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const isGitHubShorthand = (arg) => {
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// it cannot contain whitespace before the first #
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// it cannot start with a / because that's probably an absolute file path
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// but it must include a slash since repos are username/repository
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// it cannot start with a . because that's probably a relative file path
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// it cannot start with an @ because that's a scoped package if it passes the other tests
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// it cannot contain a : before a # because that tells us that there's a protocol
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// a second / may not exist before a #
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const firstHash = arg.indexOf('#')
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const firstSlash = arg.indexOf('/')
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const secondSlash = arg.indexOf('/', firstSlash + 1)
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const firstColon = arg.indexOf(':')
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const firstSpace = /\s/.exec(arg)
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const firstAt = arg.indexOf('@')
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const spaceOnlyAfterHash = !firstSpace || (firstHash > -1 && firstSpace.index > firstHash)
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const atOnlyAfterHash = firstAt === -1 || (firstHash > -1 && firstAt > firstHash)
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const colonOnlyAfterHash = firstColon === -1 || (firstHash > -1 && firstColon > firstHash)
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const secondSlashOnlyAfterHash = secondSlash === -1 || (firstHash > -1 && secondSlash > firstHash)
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const hasSlash = firstSlash > 0
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// if a # is found, what we really want to know is that the character
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// immediately before # is not a /
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const doesNotEndWithSlash = firstHash > -1 ? arg[firstHash - 1] !== '/' : !arg.endsWith('/')
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const doesNotStartWithDot = !arg.startsWith('.')
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return spaceOnlyAfterHash && hasSlash && doesNotEndWithSlash &&
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doesNotStartWithDot && atOnlyAfterHash && colonOnlyAfterHash &&
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secondSlashOnlyAfterHash
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}
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module.exports = (giturl, opts, { gitHosts, protocols }) => {
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if (!giturl) {
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return
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}
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const correctedUrl = isGitHubShorthand(giturl) ? `github:${giturl}` : giturl
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const parsed = parseUrl(correctedUrl, protocols)
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if (!parsed) {
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return
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}
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const gitHostShortcut = gitHosts.byShortcut[parsed.protocol]
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const gitHostDomain = gitHosts.byDomain[parsed.hostname.startsWith('www.')
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? parsed.hostname.slice(4)
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: parsed.hostname]
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const gitHostName = gitHostShortcut || gitHostDomain
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if (!gitHostName) {
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return
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}
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const gitHostInfo = gitHosts[gitHostShortcut || gitHostDomain]
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let auth = null
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if (protocols[parsed.protocol]?.auth && (parsed.username || parsed.password)) {
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auth = `${parsed.username}${parsed.password ? ':' + parsed.password : ''}`
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}
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let committish = null
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let user = null
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let project = null
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let defaultRepresentation = null
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try {
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if (gitHostShortcut) {
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let pathname = parsed.pathname.startsWith('/') ? parsed.pathname.slice(1) : parsed.pathname
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const firstAt = pathname.indexOf('@')
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// we ignore auth for shortcuts, so just trim it out
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if (firstAt > -1) {
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pathname = pathname.slice(firstAt + 1)
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}
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const lastSlash = pathname.lastIndexOf('/')
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if (lastSlash > -1) {
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user = decodeURIComponent(pathname.slice(0, lastSlash))
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// we want nulls only, never empty strings
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if (!user) {
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user = null
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}
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project = decodeURIComponent(pathname.slice(lastSlash + 1))
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} else {
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project = decodeURIComponent(pathname)
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}
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if (project.endsWith('.git')) {
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project = project.slice(0, -4)
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}
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if (parsed.hash) {
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committish = decodeURIComponent(parsed.hash.slice(1))
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}
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defaultRepresentation = 'shortcut'
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} else {
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if (!gitHostInfo.protocols.includes(parsed.protocol)) {
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return
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}
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const segments = gitHostInfo.extract(parsed)
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if (!segments) {
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return
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}
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user = segments.user && decodeURIComponent(segments.user)
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project = decodeURIComponent(segments.project)
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committish = decodeURIComponent(segments.committish)
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defaultRepresentation = protocols[parsed.protocol]?.name || parsed.protocol.slice(0, -1)
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}
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} catch (err) {
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/* istanbul ignore else */
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if (err instanceof URIError) {
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return
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} else {
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throw err
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}
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}
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return [gitHostName, user, auth, project, committish, defaultRepresentation, opts]
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}
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