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'use strict'
module.exports = exports = search
const Minipass = require('minipass')
const Pipeline = require('minipass-pipeline')
const npm = require('./npm.js')
const formatPackageStream = require('./search/format-package-stream.js')
const libSearch = require('libnpmsearch')
const log = require('npmlog')
const output = require('./utils/output.js')
const usage = require('./utils/usage')
search.usage = usage(
'search',
'npm search [--long] [search terms ...]'
)
search.completion = function (opts, cb) {
cb(null, [])
}
function search (args, cb) {
const opts = {
...npm.flatOptions,
...npm.flatOptions.search,
include: prepareIncludes(args, npm.flatOptions.search.opts),
exclude: prepareExcludes(npm.flatOptions.search.exclude)
}
if (opts.include.length === 0) {
return cb(new Error('search must be called with arguments'))
}
// Used later to figure out whether we had any packages go out
let anyOutput = false
// Grab a configured output stream that will spit out packages in the
// desired format.
//
// This is a text minipass stream
var outputStream = formatPackageStream({
args, // --searchinclude options are not highlighted
...opts
})
log.silly('search', 'searching packages')
const p = new Pipeline(libSearch.stream(opts.include, opts), outputStream)
p.on('data', chunk => {
if (!anyOutput) { anyOutput = true }
output(chunk.toString('utf8'))
})
p.promise().then(() => {
if (!anyOutput && !opts.json && !opts.parseable) {
output('No matches found for ' + (args.map(JSON.stringify).join(' ')))
}
log.silly('search', 'search completed')
log.clearProgress()
cb(null, {})
}, err => cb(err))
}
function prepareIncludes (args, searchopts) {
if (typeof searchopts !== 'string') searchopts = ''
return searchopts.split(/\s+/).concat(args).map(function (s) {
return s.toLowerCase()
}).filter(function (s) { return s })
}
function prepareExcludes (searchexclude) {
var exclude
if (typeof searchexclude === 'string') {
exclude = searchexclude.split(/\s+/)
} else {
exclude = []
}
return exclude.map(function (s) {
return s.toLowerCase()
})
}
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