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'use strict'
const fetch = require('npm-registry-fetch')
const fetchPackument = require('./packument')
const optCheck = require('../../util/opt-check')
const pickManifest = require('npm-pick-manifest')
const ssri = require('ssri')
module.exports = manifest
function manifest (spec, opts) {
opts = optCheck(opts)
return getManifest(spec, opts).then(manifest => {
return annotateManifest(spec, manifest, opts)
})
}
function getManifest (spec, opts) {
opts = opts.concat({
fullMetadata: opts.enjoyBy ? true : opts.fullMetadata
})
return fetchPackument(spec, opts).then(packument => {
try {
return pickManifest(packument, spec.fetchSpec, {
defaultTag: opts.defaultTag,
enjoyBy: opts.enjoyBy,
includeDeprecated: opts.includeDeprecated
})
} catch (err) {
if (err.code === 'ETARGET' && packument._cached && !opts.offline) {
opts.log.silly(
'registry:manifest',
`no matching version for ${spec.name}@${spec.fetchSpec} in the cache. Forcing revalidation.`
)
opts = opts.concat({
preferOffline: false,
preferOnline: true
})
return fetchPackument(spec, opts.concat({
// Fetch full metadata in case ETARGET was due to corgi delay
fullMetadata: true
})).then(packument => {
return pickManifest(packument, spec.fetchSpec, {
defaultTag: opts.defaultTag,
enjoyBy: opts.enjoyBy
})
})
} else {
throw err
}
}
})
}
function annotateManifest (spec, manifest, opts) {
const shasum = manifest.dist && manifest.dist.shasum
manifest._integrity = manifest.dist && manifest.dist.integrity
manifest._shasum = shasum
if (!manifest._integrity && shasum) {
// Use legacy dist.shasum field if available.
manifest._integrity = ssri.fromHex(shasum, 'sha1').toString()
}
manifest._resolved = (
manifest.dist && manifest.dist.tarball
)
if (!manifest._resolved) {
const registry = fetch.pickRegistry(spec, opts)
const uri = registry.replace(/\/?$/, '/') + spec.escapedName
const err = new Error(
`Manifest for ${manifest.name}@${manifest.version} from ${uri} is missing a tarball url (pkg.dist.tarball). Guessing a default.`
)
err.code = 'ENOTARBALL'
err.manifest = manifest
if (!manifest._warnings) { manifest._warnings = [] }
manifest._warnings.push(err.message)
manifest._resolved =
`${registry}/${manifest.name}/-/${manifest.name}-${manifest.version}.tgz`
}
return manifest
}
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