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const Fetcher = require('./fetcher.js')
const FileFetcher = require('./file.js')
const cacache = require('cacache')
const Minipass = require('minipass')
const { promisify } = require('util')
const readPackageJson = require('read-package-json-fast')
const isPackageBin = require('./util/is-package-bin.js')
const packlist = require('npm-packlist')
const tar = require('tar')
const _prepareDir = Symbol('_prepareDir')
const _tarcOpts = Symbol('_tarcOpts')
const { resolve } = require('path')
const runScript = require('@npmcli/run-script')
const _tarballFromResolved = Symbol.for('pacote.Fetcher._tarballFromResolved')
class DirFetcher extends Fetcher {
constructor (spec, opts) {
super(spec, opts)
// just the fully resolved filename
this.resolved = this.spec.fetchSpec
}
get types () {
return ['directory']
}
[_prepareDir] () {
return this.manifest().then(mani => {
if (!mani.scripts || !mani.scripts.prepare)
return
// we *only* run prepare.
// pre/post-pack is run by the npm CLI for publish and pack,
// but this function is *also* run when installing git deps
return runScript({
pkg: mani,
event: 'prepare',
path: this.resolved,
stdioString: true,
env: {
npm_package_resolved: this.resolved,
npm_package_integrity: this.integrity,
npm_package_json: resolve(this.resolved, 'package.json'),
},
})
})
}
[_tarballFromResolved] () {
const stream = new Minipass()
stream.resolved = this.resolved
stream.integrity = this.integrity
// run the prepare script, get the list of files, and tar it up
// pipe to the stream, and proxy errors the chain.
this[_prepareDir]()
.then(() => packlist({ path: this.resolved }))
.then(files => tar.c(this[_tarcOpts](), files)
.on('error', er => stream.emit('error', er)).pipe(stream))
.catch(er => stream.emit('error', er))
return stream
}
[_tarcOpts] () {
return {
cwd: this.resolved,
prefix: 'package/',
portable: true,
gzip: true,
// ensure that package bins are always executable
// Note that npm-packlist is already filtering out
// anything that is not a regular file, ignored by
// .npmignore or package.json "files", etc.
filter: (path, stat) => {
if (isPackageBin(this.package, path))
stat.mode |= 0o111
return true
},
// Provide a specific date in the 1980s for the benefit of zip,
// which is confounded by files dated at the Unix epoch 0.
mtime: new Date('1985-10-26T08:15:00.000Z'),
}
}
manifest () {
if (this.package)
return Promise.resolve(this.package)
return readPackageJson(this.resolved + '/package.json')
.then(mani => this.package = {
...mani,
_integrity: this.integrity && String(this.integrity),
_resolved: this.resolved,
_from: this.from,
})
}
packument () {
return FileFetcher.prototype.packument.apply(this)
}
}
module.exports = DirFetcher
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