diff options
Diffstat (limited to 'deps/npm/node_modules/npm-registry-client/node_modules/npm-package-arg/npa.js')
-rw-r--r-- | deps/npm/node_modules/npm-registry-client/node_modules/npm-package-arg/npa.js | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/deps/npm/node_modules/npm-registry-client/node_modules/npm-package-arg/npa.js b/deps/npm/node_modules/npm-registry-client/node_modules/npm-package-arg/npa.js new file mode 100644 index 0000000000..a61c057429 --- /dev/null +++ b/deps/npm/node_modules/npm-registry-client/node_modules/npm-package-arg/npa.js @@ -0,0 +1,270 @@ +'use strict' +module.exports = npa +module.exports.resolve = resolve +module.exports.Result = Result + +let url +let HostedGit +let semver +let path +let validatePackageName +let osenv + +const isWindows = process.platform === 'win32' || global.FAKE_WINDOWS +const hasSlashes = isWindows ? /\\|[/]/ : /[/]/ +const isURL = /^(?:git[+])?[a-z]+:/i +const isFilename = /[.](?:tgz|tar.gz|tar)$/i + +function npa (arg, where) { + let name + let spec + const nameEndsAt = arg[0] === '@' ? arg.slice(1).indexOf('@') + 1 : arg.indexOf('@') + const namePart = nameEndsAt > 0 ? arg.slice(0, nameEndsAt) : arg + if (isURL.test(arg)) { + spec = arg + } else if (namePart[0] !== '@' && (hasSlashes.test(namePart) || isFilename.test(namePart))) { + spec = arg + } else if (nameEndsAt > 0) { + name = namePart + spec = arg.slice(nameEndsAt + 1) + } else { + if (!validatePackageName) validatePackageName = require('validate-npm-package-name') + const valid = validatePackageName(arg) + if (valid.validForOldPackages) { + name = arg + } else { + spec = arg + } + } + return resolve(name, spec, where, arg) +} + +const isFilespec = isWindows ? /^(?:[.]|~[/]|[/\\]|[a-zA-Z]:)/ : /^(?:[.]|~[/]|[/]|[a-zA-Z]:)/ + +function resolve (name, spec, where, arg) { + const res = new Result({ + raw: arg, + name: name, + rawSpec: spec, + fromArgument: arg != null + }) + + if (name) res.setName(name) + + if (spec && (isFilespec.test(spec) || /^file:/i.test(spec))) { + return fromFile(res, where) + } + if (!HostedGit) HostedGit = require('hosted-git-info') + const hosted = HostedGit.fromUrl(spec, {noGitPlus: true, noCommittish: true}) + if (hosted) { + return fromHostedGit(res, hosted) + } else if (spec && isURL.test(spec)) { + return fromURL(res) + } else if (spec && (hasSlashes.test(spec) || isFilename.test(spec))) { + return fromFile(res, where) + } else { + return fromRegistry(res) + } +} + +function invalidPackageName (name, valid) { + const err = new Error(`Invalid package name "${name}": ${valid.errors.join('; ')}`) + err.code = 'EINVALIDPACKAGENAME' + return err +} +function invalidTagName (name) { + const err = new Error(`Invalid tag name "${name}": Tags may not have any characters that encodeURIComponent encodes.`) + err.code = 'EINVALIDTAGNAME' + return err +} + +function Result (opts) { + this.type = opts.type + this.registry = opts.registry + this.where = opts.where + if (opts.raw == null) { + this.raw = opts.name ? opts.name + '@' + opts.rawSpec : opts.rawSpec + } else { + this.raw = opts.raw + } + this.name = undefined + this.escapedName = undefined + this.scope = undefined + this.rawSpec = opts.rawSpec == null ? '' : opts.rawSpec + this.saveSpec = opts.saveSpec + this.fetchSpec = opts.fetchSpec + if (opts.name) this.setName(opts.name) + this.gitRange = opts.gitRange + this.gitCommittish = opts.gitCommittish + this.hosted = opts.hosted +} +Result.prototype = {} + +Result.prototype.setName = function (name) { + if (!validatePackageName) validatePackageName = require('validate-npm-package-name') + const valid = validatePackageName(name) + if (!valid.validForOldPackages) { + throw invalidPackageName(name, valid) + } + this.name = name + this.scope = name[0] === '@' ? name.slice(0, name.indexOf('/')) : undefined + // scoped packages in couch must have slash url-encoded, e.g. @foo%2Fbar + this.escapedName = name.replace('/', '%2f') + return this +} + +Result.prototype.toString = function () { + const full = [] + if (this.name != null && this.name !== '') full.push(this.name) + const spec = this.saveSpec || this.fetchSpec || this.rawSpec + if (spec != null && spec !== '') full.push(spec) + return full.length ? full.join('@') : this.raw +} + +Result.prototype.toJSON = function () { + const result = Object.assign({}, this) + delete result.hosted + return result +} + +function setGitCommittish (res, committish) { + if (committish != null && committish.length >= 7 && committish.slice(0, 7) === 'semver:') { + res.gitRange = decodeURIComponent(committish.slice(7)) + res.gitCommittish = null + } else if (committish == null || committish === '') { + res.gitCommittish = 'master' + } else { + res.gitCommittish = committish + } + return res +} + +const isAbsolutePath = /^[/]|^[A-Za-z]:/ + +function resolvePath (where, spec) { + if (isAbsolutePath.test(spec)) return spec + if (!path) path = require('path') + return path.resolve(where, spec) +} + +function isAbsolute (dir) { + if (dir[0] === '/') return true + if (/^[A-Za-z]:/.test(dir)) return true + return false +} + +function fromFile (res, where) { + if (!where) where = process.cwd() + res.type = isFilename.test(res.rawSpec) ? 'file' : 'directory' + res.where = where + + const spec = res.rawSpec.replace(/\\/g, '/') + .replace(/^file:[/]*([A-Za-z]:)/, '$1') // drive name paths on windows + .replace(/^file:(?:[/]*([~./]))?/, '$1') + if (/^~[/]/.test(spec)) { + // this is needed for windows and for file:~/foo/bar + if (!osenv) osenv = require('osenv') + res.fetchSpec = resolvePath(osenv.home(), spec.slice(2)) + res.saveSpec = 'file:' + spec + } else { + res.fetchSpec = resolvePath(where, spec) + if (isAbsolute(spec)) { + res.saveSpec = 'file:' + spec + } else { + if (!path) path = require('path') + res.saveSpec = 'file:' + path.relative(where, res.fetchSpec) + } + } + return res +} + +function fromHostedGit (res, hosted) { + res.type = 'git' + res.hosted = hosted + res.saveSpec = hosted.toString({noGitPlus: false, noCommittish: false}) + res.fetchSpec = hosted.getDefaultRepresentation() === 'shortcut' ? null : hosted.toString() + return setGitCommittish(res, hosted.committish) +} + +function unsupportedURLType (protocol, spec) { + const err = new Error(`Unsupported URL Type "${protocol}": ${spec}`) + err.code = 'EUNSUPPORTEDPROTOCOL' + return err +} + +function matchGitScp (spec) { + // git ssh specifiers are overloaded to also use scp-style git + // specifiers, so we have to parse those out and treat them special. + // They are NOT true URIs, so we can't hand them to `url.parse`. + // + // This regex looks for things that look like: + // git+ssh://git@my.custom.git.com:username/project.git#deadbeef + // + // ...and various combinations. The username in the beginning is *required*. + const matched = spec.match(/^git\+ssh:\/\/([^:#]+:[^#]+(?:\.git)?)(?:#(.*))?$/i) + return matched && !matched[1].match(/:[0-9]+\/?.*$/i) && { + fetchSpec: matched[1], + gitCommittish: matched[2] || 'master' + } +} + +function fromURL (res) { + if (!url) url = require('url') + const urlparse = url.parse(res.rawSpec) + res.saveSpec = res.rawSpec + // check the protocol, and then see if it's git or not + switch (urlparse.protocol) { + case 'git:': + case 'git+http:': + case 'git+https:': + case 'git+rsync:': + case 'git+ftp:': + case 'git+file:': + case 'git+ssh:': + res.type = 'git' + const match = urlparse.protocol === 'git+ssh:' && matchGitScp(res.rawSpec) + if (match) { + res.fetchSpec = match.fetchSpec + res.gitCommittish = match.gitCommittish + } else { + setGitCommittish(res, urlparse.hash != null ? urlparse.hash.slice(1) : '') + urlparse.protocol = urlparse.protocol.replace(/^git[+]/, '') + delete urlparse.hash + res.fetchSpec = url.format(urlparse) + } + break + case 'http:': + case 'https:': + res.type = 'remote' + res.fetchSpec = res.saveSpec + break + + default: + throw unsupportedURLType(urlparse.protocol, res.rawSpec) + } + + return res +} + +function fromRegistry (res) { + res.registry = true + const spec = res.rawSpec === '' ? 'latest' : res.rawSpec + // no save spec for registry components as we save based on the fetched + // version, not on the argument so this can't compute that. + res.saveSpec = null + res.fetchSpec = spec + if (!semver) semver = require('semver') + const version = semver.valid(spec, true) + const range = semver.validRange(spec, true) + if (version) { + res.type = 'version' + } else if (range) { + res.type = 'range' + } else { + if (encodeURIComponent(spec) !== spec) { + throw invalidTagName(spec) + } + res.type = 'tag' + } + return res +} |