@quasar/app/lib/helpers/print-webpack-issue/extractWebpackError.js

Quasar Framework local CLI

const ErrorStackParser = require('error-stack-parser')
const RequestShortener = require('webpack/lib/RequestShortener')

const requestShortener = new RequestShortener(process.cwd())

/*
 This logic is mostly duplicated from webpack/lib/Stats.js#toJson()
 See: https://github.com/webpack/webpack/blob/2f618e733aab4755deb42e9d8e859609005607c0/lib/Stats.js#L89
*/

function getOriginalErrorStack(e) {
  while (e.error != null) {
    e = e.error
  }

  return e.stack
    ? ErrorStackParser.parse(e)
    : []
}

function getFile (e) {
  if (e.file) {
    return e.file
  }
  else if (
    e.module
    && e.module.readableIdentifier
    && typeof e.module.readableIdentifier === 'function'
  ) {
    return e.module.readableIdentifier(requestShortener)
  }
}

function getOrigin (e) {
  let origin = ''

  if (e.dependencies && e.origin) {
    origin += '\n @ ' + e.origin.readableIdentifier(requestShortener)

    e.dependencies.forEach(function (dep) {
      if (!dep.loc) return
      if (typeof dep.loc === "string") return
      if (!dep.loc.start) return
      if (!dep.loc.end) return

      origin += ' ' + dep.loc.start.line + ':' + dep.loc.start.column + '-'
        + (dep.loc.start.line !== dep.loc.end.line ? dep.loc.end.line + ':' : '')
        + dep.loc.end.column
    })

    let current = e.origin
    while (current.issuer && typeof current.issuer.readableIdentifier === 'function') {
      current = current.issuer
      origin += '\n @ ' + current.readableIdentifier(requestShortener)
    }
  }

  return origin
}

module.exports = function extractError (e) {
  return {
    message: e.message,
    file: getFile(e),
    origin: getOrigin(e),
    name: e.name,
    severity: 0,
    webpackError: e,
    originalStack: getOriginalErrorStack(e)
  }
}