111 lines
2.7 KiB
JavaScript
111 lines
2.7 KiB
JavaScript
const Minipass = require('minipass')
|
|
const Pipeline = require('minipass-pipeline')
|
|
const libSearch = require('libnpmsearch')
|
|
const log = require('../utils/log-shim.js')
|
|
|
|
const formatSearchStream = require('../utils/format-search-stream.js')
|
|
|
|
function filter (data, include, exclude) {
|
|
const words = [data.name]
|
|
.concat(data.maintainers.map(m => `=${m.username}`))
|
|
.concat(data.keywords || [])
|
|
.map(f => f && f.trim && f.trim())
|
|
.filter(f => f)
|
|
.join(' ')
|
|
.toLowerCase()
|
|
|
|
if (exclude.find(e => match(words, e))) {
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
function match (words, pattern) {
|
|
if (pattern.startsWith('/')) {
|
|
if (pattern.endsWith('/')) {
|
|
pattern = pattern.slice(0, -1)
|
|
}
|
|
pattern = new RegExp(pattern.slice(1))
|
|
return words.match(pattern)
|
|
}
|
|
return words.indexOf(pattern) !== -1
|
|
}
|
|
|
|
const BaseCommand = require('../base-command.js')
|
|
class Search extends BaseCommand {
|
|
static description = 'Search for packages'
|
|
static name = 'search'
|
|
static params = [
|
|
'long',
|
|
'json',
|
|
'color',
|
|
'parseable',
|
|
'description',
|
|
'searchopts',
|
|
'searchexclude',
|
|
'registry',
|
|
'prefer-online',
|
|
'prefer-offline',
|
|
'offline',
|
|
]
|
|
|
|
static usage = ['[search terms ...]']
|
|
|
|
async exec (args) {
|
|
const opts = {
|
|
...this.npm.flatOptions,
|
|
...this.npm.flatOptions.search,
|
|
include: args.map(s => s.toLowerCase()).filter(s => s),
|
|
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
|
|
|
|
class FilterStream extends Minipass {
|
|
write (pkg) {
|
|
if (filter(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 = formatSearchStream({
|
|
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
|