\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-nodejs10/root/lib/node_modules/npm/node_modules/pacote/lib/fetchers/

Viewing File: file.js

'use strict'

const BB = require('bluebird')

const cacache = require('cacache')
const Fetcher = require('../fetch')
const fs = require('fs')
const pipe = BB.promisify(require('mississippi').pipe)
const through = require('mississippi').through

const readFileAsync = BB.promisify(fs.readFile)
const statAsync = BB.promisify(fs.stat)

const MAX_BULK_SIZE = 2 * 1024 * 1024 // 2MB

// `file` packages refer to local tarball files.
const fetchFile = module.exports = Object.create(null)

Fetcher.impl(fetchFile, {
  packument (spec, opts) {
    return BB.reject(new Error('Not implemented yet'))
  },

  manifest (spec, opts) {
    // We can't do much here. `finalizeManifest` will take care of
    // calling `tarball` to fill out all the necessary details.
    return BB.resolve(null)
  },

  // All the heavy lifting for `file` packages is done here.
  // They're never cached. We just read straight out of the file.
  // TODO - maybe they *should* be cached?
  tarball (spec, opts) {
    const src = spec._resolved || spec.fetchSpec
    const stream = through()
    statAsync(src).then(stat => {
      if (spec._resolved) { stream.emit('manifest', spec) }
      if (stat.size <= MAX_BULK_SIZE) {
        // YAY LET'S DO THING IN BULK
        return readFileAsync(src).then(data => {
          if (opts.cache) {
            return cacache.put(
              opts.cache, `pacote:tarball:file:${src}`, data, {
                integrity: opts.integrity
              }
            ).then(integrity => ({ data, integrity }))
          } else {
            return { data }
          }
        }).then(info => {
          if (info.integrity) { stream.emit('integrity', info.integrity) }
          stream.write(info.data, () => {
            stream.end()
          })
        })
      } else {
        let integrity
        const cacheWriter = !opts.cache
          ? BB.resolve(null)
          : (pipe(
            fs.createReadStream(src),
            cacache.put.stream(opts.cache, `pacote:tarball:${src}`, {
              integrity: opts.integrity
            }).on('integrity', d => { integrity = d })
          ))
        return cacheWriter.then(() => {
          if (integrity) { stream.emit('integrity', integrity) }
          return pipe(fs.createReadStream(src), stream)
        })
      }
    }).catch(err => stream.emit('error', err))
    return stream
  },

  fromManifest (manifest, spec, opts) {
    return this.tarball(manifest || spec, opts)
  }
})