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'use strict'
const BB = require('bluebird')
const Fetcher = require('../fetch')
const glob = BB.promisify(require('glob'))
const packDir = require('../util/pack-dir')
const path = require('path')
const pipe = BB.promisify(require('mississippi').pipe)
const through = require('mississippi').through
const readFileAsync = BB.promisify(require('fs').readFile)
const fetchDirectory = module.exports = Object.create(null)
Fetcher.impl(fetchDirectory, {
// `directory` manifests come from the actual manifest/lockfile data.
manifest (spec, opts) {
const pkgPath = path.join(spec.fetchSpec, 'package.json')
const srPath = path.join(spec.fetchSpec, 'npm-shrinkwrap.json')
return BB.join(
readFileAsync(pkgPath).then(JSON.parse).catch({code: 'ENOENT'}, err => {
err.code = 'ENOPACKAGEJSON'
throw err
}),
readFileAsync(srPath).then(JSON.parse).catch({code: 'ENOENT'}, () => null),
(pkg, sr) => {
pkg._shrinkwrap = sr
pkg._hasShrinkwrap = !!sr
pkg._resolved = spec.fetchSpec
pkg._integrity = false // Don't auto-calculate integrity
pkg._shasum = false // Don't auto-calculate shasum either
return pkg
}
).then(pkg => {
if (!pkg.bin && pkg.directories && pkg.directories.bin) {
const dirBin = pkg.directories.bin
return glob(path.join(spec.fetchSpec, dirBin, '/**'), {nodir: true}).then(matches => {
matches.forEach(filePath => {
const relative = path.relative(spec.fetchSpec, filePath)
if (relative && relative[0] !== '.') {
if (!pkg.bin) { pkg.bin = {} }
pkg.bin[path.basename(relative)] = relative
}
})
}).then(() => pkg)
} else {
return pkg
}
})
},
// As of npm@5, the npm installer doesn't pack + install directories: it just
// creates symlinks. This code is here because `npm pack` still needs the
// ability to create a tarball from a local directory.
tarball (spec, opts) {
const stream = through()
this.manifest(spec, opts).then(mani => {
return pipe(this.fromManifest(mani, spec, opts), stream)
}).catch(err => stream.emit('error', err))
return stream
},
// `directory` tarballs are generated in a very similar way to git tarballs.
fromManifest (manifest, spec, opts) {
const stream = through()
packDir(manifest, manifest._resolved, manifest._resolved, stream, opts).catch(err => {
stream.emit('error', err)
})
return stream
}
})
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