const Pipeline = require('minipass-pipeline')
const libSearch = require('libnpmsearch')
const { log, output } = require('proc-log')
const formatSearchStream = require('../utils/format-search-stream.js')
const BaseCommand = require('../base-cmd.js')
class Search extends BaseCommand {
static description = 'Search for packages'
static name = 'search'
static params = [
'json',
'color',
'parseable',
'description',
'searchlimit',
'searchopts',
'searchexclude',
'registry',
'prefer-online',
'prefer-offline',
'offline',
]
static usage = ['<search term> [<search term> ...]']
async exec (args) {
const opts = {
...this.npm.flatOptions,
...this.npm.flatOptions.search,
include: args.map(s => s.toLowerCase()).filter(Boolean),
exclude: this.npm.flatOptions.search.exclude.split(/\s+/),
}
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
// Grab a configured output stream that will spit out packages in the desired format.
const outputStream = formatSearchStream({
args, // --searchinclude options are not highlighted
...opts,
npm: this.npm,
})
log.silly('search', 'searching packages')
const p = new Pipeline(
libSearch.stream(opts.include, opts),
outputStream
)
p.on('data', chunk => {
if (!anyOutput) {
anyOutput = true
}
output.standard(chunk.toString('utf8'))
})
await p.promise()
if (!anyOutput && !this.npm.config.get('json') && !this.npm.config.get('parseable')) {
output.standard('No matches found for ' + (args.map(JSON.stringify).join(' ')))
}
log.silly('search', 'search completed')
}
}
module.exports = Search
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