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/opt/alt/alt-nodejs9/root/lib/node_modules/npm/node_modules/pacote/lib/fetchers/registry/check-warning-header.js

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'use strict'

const LRU = require('lru-cache')

const WARNING_REGEXP = /^\s*(\d{3})\s+(\S+)\s+"(.*)"\s+"([^"]+)"/
const BAD_HOSTS = new LRU({ max: 50 })

module.exports = checkWarnings
function checkWarnings (res, registry, opts) {
  if (res.headers.has('warning') && !BAD_HOSTS.has(registry)) {
    const warnings = {}
    res.headers.raw()['warning'].forEach(w => {
      const match = w.match(WARNING_REGEXP)
      if (match) {
        warnings[match[1]] = {
          code: match[1],
          host: match[2],
          message: match[3],
          date: new Date(match[4])
        }
      }
    })
    BAD_HOSTS.set(registry, true)
    if (warnings['199']) {
      if (warnings['199'].message.match(/ENOTFOUND/)) {
        opts.log.warn('registry', `Using stale data from ${registry} because the host is inaccessible -- are you offline?`)
      } else {
        opts.log.warn('registry', `Unexpected warning for ${registry}: ${warnings['199'].message}`)
      }
    }
    if (warnings['111']) {
      // 111 Revalidation failed -- we're using stale data
      opts.log.warn(
        'registry',
        `Using stale package data from ${registry} due to a request error during revalidation.`
      )
    }
  }
}

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Name	Size	Perms	Modified	Actions
check-warning-header.js	1.19 KB	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive
fetch.js	3.11 KB	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive
index.js	584 B	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive
manifest.js	4.28 KB	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive
pick-registry.js	360 B	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive
registry-key.js	410 B	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive
tarball.js	2.55 KB	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive

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