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1b82eecc67
Expose the version when possible, but the installation shouldn't fail even when one of the peer dependencies have no version. close #293, PR #333
69 lines
1.6 KiB
JavaScript
69 lines
1.6 KiB
JavaScript
'use strict'
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const pkgFullName = require('../pkg_full_name')
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/**
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* Resolves a 'hosted' package hosted on 'github'.
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*/
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const PARSE_GITHUB_RE = /^github:([^\/]+)\/([^#]+)(#(.+))?$/
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module.exports = function resolveGithub (pkg, opts) {
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const getJSON = opts.got.getJSON
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const spec = parseGithubSpec(pkg)
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return resolveRef(spec).then(ref => {
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spec.ref = ref
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return resolvePackageJson(spec).then(pkg => ({
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name: pkg.name,
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version: pkg.version,
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fullname: pkgFullName({
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name: pkg.name,
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version: ['github', spec.owner, spec.repo, spec.ref].join(pkgFullName.delimiter)
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}),
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dist: {
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tarball: [
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'https://api.github.com/repos',
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spec.owner,
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spec.repo,
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'tarball',
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spec.ref
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].join('/')
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}
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}))
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})
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function resolvePackageJson (spec) {
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const url = [
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'https://api.github.com/repos',
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spec.owner,
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spec.repo,
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'contents/package.json?ref=' + spec.ref
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].join('/')
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return getJSON(url).then(body => {
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const content = new Buffer(body.content, 'base64').toString('utf8')
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return JSON.parse(content)
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})
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}
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function resolveRef (spec) {
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const url = [
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'https://api.github.com/repos',
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spec.owner,
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spec.repo,
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'commits',
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spec.ref
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].join('/')
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return getJSON(url).then(body => body.sha)
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}
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}
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function parseGithubSpec (pkg) {
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const m = PARSE_GITHUB_RE.exec(pkg.hosted.shortcut)
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if (!m) {
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throw new Error('cannot parse: ' + pkg.hosted.shortcut)
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}
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const owner = m[1]
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const repo = m[2]
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const ref = m[4] || 'HEAD'
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return {owner, repo, ref}
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}
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