next-update/src/get-known-dependencies.js

Tests if module's dependencies can be updated to the newer version without breaking the tests

var check = require('check-more-types')
var registry = require('./registry')
var cleanVersions = registry.cleanVersions

function format (label, deps) {
  check.verify.unemptyString(label, 'missing label')
  check.verify.object(deps, 'expected deps')
  return Object.keys(deps).map(function (name) {
    return {
      type: label,
      name: name,
      version: deps[name]
    }
  })
}

function getKnownDependencies (packageFilename) {
  check.verify.string(packageFilename, 'missing package filename string')

  var workingPackage = require(packageFilename)

  var dependencies = workingPackage.dependencies || {}
  var devDependencies = workingPackage.devDependencies || {}
  var peerDependencies = workingPackage.peerDependencies || {}

  var all = [].concat(
        format('prod', dependencies),
        format('dev', devDependencies),
        format('peer', peerDependencies)
    )

  var cleaned = cleanVersions(all)
    // console.log('nameVersionPairs', cleaned);
  return cleaned
}

module.exports = getKnownDependencies