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const Minipass = require('minipass')
const Pipeline = require('minipass-pipeline')
const libSearch = require('libnpmsearch')
const log = require('npmlog')
const formatPackageStream = require('./search/format-package-stream.js')
const packageFilter = require('./search/package-filter.js')
function prepareIncludes (args) {
return args
.map(s => s.toLowerCase())
.filter(s => s)
}
function prepareExcludes (searchexclude) {
var exclude
if (typeof searchexclude === 'string')
exclude = searchexclude.split(/\s+/)
else
exclude = []
return exclude
.map(s => s.toLowerCase())
.filter(s => s)
}
const BaseCommand = require('./base-command.js')
class Search extends BaseCommand {
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get description () {
return 'Search for packages'
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get name () {
return 'search'
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get params () {
return [
'long',
'json',
'color',
'parseable',
'description',
'searchopts',
'searchexclude',
'registry',
'prefer-online',
'prefer-offline',
'offline',
]
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get usage () {
return ['[search terms ...]']
}
exec (args, cb) {
this.search(args).then(() => cb()).catch(cb)
}
async search (args) {
const opts = {
...this.npm.flatOptions,
...this.npm.flatOptions.search,
include: prepareIncludes(args),
exclude: prepareExcludes(this.npm.flatOptions.search.exclude),
}
if (opts.include.length === 0)
throw new Error('search must be called with arguments')
// Used later to figure out whether we had any packages go out
let anyOutput = false
class FilterStream extends Minipass {
write (pkg) {
if (packageFilter(pkg, opts.include, opts.exclude))
super.write(pkg)
}
}
const filterStream = new FilterStream()
// Grab a configured output stream that will spit out packages in the
// desired format.
const outputStream = formatPackageStream({
args, // --searchinclude options are not highlighted
...opts,
})
log.silly('search', 'searching packages')
const p = new Pipeline(
libSearch.stream(opts.include, opts),
filterStream,
outputStream
)
p.on('data', chunk => {
if (!anyOutput)
anyOutput = true
this.npm.output(chunk.toString('utf8'))
})
await p.promise()
if (!anyOutput && !this.npm.config.get('json') && !this.npm.config.get('parseable'))
this.npm.output('No matches found for ' + (args.map(JSON.stringify).join(' ')))
log.silly('search', 'search completed')
log.clearProgress()
}
}
module.exports = Search
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