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Name	Size	Permission
completion	[ DIR ]	drwxr-xr-x
config	[ DIR ]	drwxr-xr-x
ansi-trim.js	173 B	-rw-r--r--
audit-error.js	1.02 KB	-rw-r--r--
auth.js	2.8 KB	-rw-r--r--
cmd-list.js	2.16 KB	-rw-r--r--
completion.fish	1.56 KB	-rw-r--r--
completion.sh	1.85 KB	-rwxr-xr-x
did-you-mean.js	1.46 KB	-rw-r--r--
display.js	3.43 KB	-rw-r--r--
error-message.js	13.53 KB	-rw-r--r--
exit-handler.js	6.78 KB	-rw-r--r--
explain-dep.js	3.5 KB	-rw-r--r--
explain-eresolve.js	2.55 KB	-rw-r--r--
format-bytes.js	629 B	-rw-r--r--
format-search-stream.js	3.93 KB	-rw-r--r--
get-identity.js	802 B	-rw-r--r--
is-windows.js	233 B	-rw-r--r--
log-file.js	7.04 KB	-rw-r--r--
log-shim.js	1.68 KB	-rw-r--r--
npm-usage.js	2.04 KB	-rw-r--r--
open-url-prompt.js	1.44 KB	-rw-r--r--
open-url.js	1.09 KB	-rw-r--r--
otplease.js	1.23 KB	-rw-r--r--
ping.js	252 B	-rw-r--r--
pulse-till-done.js	412 B	-rw-r--r--
queryable.js	9.56 KB	-rw-r--r--
read-user-info.js	2 KB	-rw-r--r--
reify-finish.js	876 B	-rw-r--r--
reify-output.js	4.97 KB	-rw-r--r--
replace-info.js	807 B	-rw-r--r--
tar.js	3.9 KB	-rw-r--r--
timers.js	2.73 KB	-rw-r--r--
update-notifier.js	4.1 KB	-rw-r--r--
validate-lockfile.js	1023 B	-rw-r--r--
web-auth.js	558 B	-rw-r--r--

Code Editor : explain-eresolve.js

// this is called when an ERESOLVE error is caught in the exit-handler,
// or when there's a log.warn('eresolve', msg, explanation), to turn it
// into a human-intelligible explanation of what's wrong and how to fix.
const { explainEdge, explainNode, printNode } = require('./explain-dep.js')

// expl is an explanation object that comes from Arborist.  It looks like:
// Depth is how far we want to want to descend into the object making a report.
// The full report (ie, depth=Infinity) is always written to the cache folder
// at ${cache}/eresolve-report.txt along with full json.
const explain = (expl, chalk, depth) => {
  const { edge, dep, current, peerConflict, currentEdge } = expl

const out = []
  const whileInstalling = dep && dep.whileInstalling ||
    current && current.whileInstalling ||
    edge && edge.from && edge.from.whileInstalling
  if (whileInstalling) {
    out.push('While resolving: ' + printNode(whileInstalling, chalk))
  }

// it "should" be impossible for an ERESOLVE explanation to lack both
  // current and currentEdge, but better to have a less helpful error
  // than a crashing failure.
  if (current) {
    out.push('Found: ' + explainNode(current, depth, chalk))
  } else if (peerConflict && peerConflict.current) {
    out.push('Found: ' + explainNode(peerConflict.current, depth, chalk))
  } else if (currentEdge) {
    out.push('Found: ' + explainEdge(currentEdge, depth, chalk))
  } else /* istanbul ignore else - should always have one */ if (edge) {
    out.push('Found: ' + explainEdge(edge, depth, chalk))
  }

out.push('\nCould not resolve dependency:\n' +
    explainEdge(edge, depth, chalk))

if (peerConflict) {
    const heading = '\nConflicting peer dependency:'
    const pc = explainNode(peerConflict.peer, depth, chalk)
    out.push(heading + ' ' + pc)
  }

return out.join('\n')
}

// generate a full verbose report and tell the user how to fix it
const report = (expl, chalk, noColor) => {
  const flags = [
    expl.strictPeerDeps ? '--no-strict-peer-deps' : '',
    '--force',
    '--legacy-peer-deps',
  ].filter(Boolean)

const or = (arr) => arr.length <= 2
    ? arr.join(' or ') :
    arr.map((v, i, l) => i + 1 === l.length ? `or ${v}` : v).join(', ')

const fix = `Fix the upstream dependency conflict, or retry
this command with ${or(flags)}
to accept an incorrect (and potentially broken) dependency resolution.`

return {
    explanation: `${explain(expl, chalk, 4)}\n\n${fix}`,
    file: `# npm resolution error report\n\n${explain(expl, noColor, Infinity)}\n\n${fix}`,
  }
}

module.exports = {
  explain,
  report,
}

${this.title}

Code Editor : explain-eresolve.js