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Edit File : search.js \| Size : 3.36 KB
'use strict' module.exports = exports = search const npm = require('./npm.js') const allPackageSearch = require('./search/all-package-search') const figgyPudding = require('figgy-pudding') const formatPackageStream = require('./search/format-package-stream.js') const libSearch = require('libnpm/search') const log = require('npmlog') const ms = require('mississippi') const npmConfig = require('./config/figgy-config.js') 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, []) } const SearchOpts = figgyPudding({ description: {}, exclude: {}, include: {}, limit: {}, log: {}, staleness: {}, unicode: {} }) function search (args, cb) { const opts = SearchOpts(npmConfig()).concat({ description: npm.config.get('description'), exclude: prepareExcludes(npm.config.get('searchexclude')), include: prepareIncludes(args, npm.config.get('searchopts')), limit: npm.config.get('searchlimit') \|\| 20, log: log, staleness: npm.config.get('searchstaleness'), unicode: npm.config.get('unicode') }) 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 const entriesStream = ms.through.obj() let esearchWritten = false libSearch.stream(opts.include, opts).on('data', pkg => { entriesStream.write(pkg) !esearchWritten && (esearchWritten = true) }).on('error', err => { if (esearchWritten) { // If esearch errored after already starting output, we can't fall back. return entriesStream.emit('error', err) } log.warn('search', 'fast search endpoint errored. Using old search.') allPackageSearch(opts) .on('data', pkg => entriesStream.write(pkg)) .on('error', err => entriesStream.emit('error', err)) .on('end', () => entriesStream.end()) }).on('end', () => entriesStream.end()) // Grab a configured output stream that will spit out packages in the // desired format. var outputStream = formatPackageStream({ args: args, // --searchinclude options are not highlighted long: npm.config.get('long'), description: npm.config.get('description'), json: npm.config.get('json'), parseable: npm.config.get('parseable'), color: npm.color }) outputStream.on('data', chunk => { if (!anyOutput) { anyOutput = true } output(chunk.toString('utf8')) }) log.silly('search', 'searching packages') ms.pipe(entriesStream, outputStream, err => { if (err) return cb(err) if (!anyOutput && !npm.config.get('json') && !npm.config.get('parseable')) { output('No matches found for ' + (args.map(JSON.stringify).join(' '))) } log.silly('search', 'search completed') log.clearProgress() cb(null, {}) }) } 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() }) } Back

Edit File : search.js | Size : 3.36 KB

'use strict'

module.exports = exports = search

const npm = require('./npm.js')
const allPackageSearch = require('./search/all-package-search')
const figgyPudding = require('figgy-pudding')
const formatPackageStream = require('./search/format-package-stream.js')
const libSearch = require('libnpm/search')
const log = require('npmlog')
const ms = require('mississippi')
const npmConfig = require('./config/figgy-config.js')
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, [])
}

const SearchOpts = figgyPudding({
  description: {},
  exclude: {},
  include: {},
  limit: {},
  log: {},
  staleness: {},
  unicode: {}
})

function search (args, cb) {
  const opts = SearchOpts(npmConfig()).concat({
    description: npm.config.get('description'),
    exclude: prepareExcludes(npm.config.get('searchexclude')),
    include: prepareIncludes(args, npm.config.get('searchopts')),
    limit: npm.config.get('searchlimit') || 20,
    log: log,
    staleness: npm.config.get('searchstaleness'),
    unicode: npm.config.get('unicode')
  })
  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

const entriesStream = ms.through.obj()

let esearchWritten = false
  libSearch.stream(opts.include, opts).on('data', pkg => {
    entriesStream.write(pkg)
    !esearchWritten && (esearchWritten = true)
  }).on('error', err => {
    if (esearchWritten) {
      // If esearch errored after already starting output, we can't fall back.
      return entriesStream.emit('error', err)
    }
    log.warn('search', 'fast search endpoint errored. Using old search.')
    allPackageSearch(opts)
      .on('data', pkg => entriesStream.write(pkg))
      .on('error', err => entriesStream.emit('error', err))
      .on('end', () => entriesStream.end())
  }).on('end', () => entriesStream.end())

// Grab a configured output stream that will spit out packages in the
  // desired format.
  var outputStream = formatPackageStream({
    args: args, // --searchinclude options are not highlighted
    long: npm.config.get('long'),
    description: npm.config.get('description'),
    json: npm.config.get('json'),
    parseable: npm.config.get('parseable'),
    color: npm.color
  })
  outputStream.on('data', chunk => {
    if (!anyOutput) { anyOutput = true }
    output(chunk.toString('utf8'))
  })

log.silly('search', 'searching packages')
  ms.pipe(entriesStream, outputStream, err => {
    if (err) return cb(err)
    if (!anyOutput && !npm.config.get('json') && !npm.config.get('parseable')) {
      output('No matches found for ' + (args.map(JSON.stringify).join(' ')))
    }
    log.silly('search', 'search completed')
    log.clearProgress()
    cb(null, {})
  })
}

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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