next-update/src/print-modules-table.js

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

var verify = require('check-more-types').verify
var Table = require('easy-table')
var colorProbability = require('./stats').colorProbability

function markProbability (val, width) {
  if (width === null) {
    return val
  }
  return Table.padLeft(val, width)
}

function printModulesTable (modules, options) {
  verify.array(modules, 'expect an array of modules')
  var haveStats = modules.some(function (m) {
    return typeof m.stats === 'object'
  })

  var t = new Table()
  modules.forEach(function (info) {
    verify.string(info.name, 'missing module name ' + info)
    verify.string(info.version, 'missing module version ' + info)

    t.cell('package', info.name)
    t.cell('current', info.from)
    t.cell('available', info.version)

    if (haveStats && info.stats) {
      var stats = info.stats
      verify.object(stats, 'expected stats object')

      var total = +stats.success + stats.failure
      var probability = total ? stats.success / total : null
      var probabilityStr = colorProbability(probability, options)
      t.cell('success %', probabilityStr, markProbability)
      t.cell('successful updates', info.stats.success, Table.Number(0))
      t.cell('failed updates', info.stats.failure, Table.Number(0))
    }
    t.newRow()
  })
  console.log(t.toString())
}

module.exports = printModulesTable