\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules.bundled/libcipm/lib/

Viewing File: extract.js

'use strict'

const BB = require('bluebird')

const extractionWorker = require('./worker.js')
const figgyPudding = require('figgy-pudding')
const npa = require('npm-package-arg')
const WORKER_PATH = require.resolve('./worker.js')
let workerFarm

// Broken for now, cause too many issues on some systems.
const ENABLE_WORKERS = false

const ExtractOpts = figgyPudding({
  log: {}
})

module.exports = {
  startWorkers () {
    if (ENABLE_WORKERS) {
      if (!workerFarm) { workerFarm = require('worker-farm') }
      this._workers = workerFarm({
        maxConcurrentCallsPerWorker: 20,
        maxRetries: 1
      }, WORKER_PATH)
    }
  },

  stopWorkers () {
    if (ENABLE_WORKERS) {
      if (!workerFarm) { workerFarm = require('worker-farm') }
      workerFarm.end(this._workers)
    }
  },

  child (name, child, childPath, opts) {
    opts = ExtractOpts(opts)
    const spec = npa.resolve(name, child.version)
    let childOpts = opts.concat({
      integrity: child.integrity,
      resolved: child.resolved
    })
    const args = [spec, childPath, childOpts]
    return BB.fromNode((cb) => {
      let launcher = extractionWorker
      let msg = args
      const spec = typeof args[0] === 'string' ? npa(args[0]) : args[0]
      if (ENABLE_WORKERS && (spec.registry || spec.type === 'remote')) {
        if (!workerFarm) { workerFarm = require('worker-farm') }
        // We can't serialize these options
        childOpts = childOpts.concat({
          log: null,
          dirPacker: null
        })
        // workers will run things in parallel!
        launcher = this._workers
        try {
          msg = JSON.stringify(msg)
        } catch (e) {
          return cb(e)
        }
      }
      launcher(msg, cb)
    })
  }
}