@toptal/davinci-qa/src/utils/to-jest-cli-arguments.js

QA package to test your application

import argsToCLIRules from './jest-args-to-cli-converters.js'

const pipe =
  (...fns) =>
  arg =>
    fns.reduce((result, func) => func(result), arg)

const aliasToOptionMap = {
  b: 'bail',
  c: 'config',
  e: 'expand',
  w: 'maxWorkers',
  o: 'onlyChanged',
  i: 'runInBand',
  t: 'testNamePattern',
  u: 'updateSnapshot',
  v: 'version',
}

const convertAliasesIntoJestOptions = options => {
  const resultOptions = {}

  for (const [key, value] of Object.entries(options)) {
    if (aliasToOptionMap[key]) {
      const fullOptionName = aliasToOptionMap[key]

      resultOptions[fullOptionName] = value
    } else {
      resultOptions[key] = value
    }
  }

  return resultOptions
}

const convertStringToBoolean = options => {
  const resultOptions = {}

  for (const [key, value] of Object.entries(options)) {
    if (value === 'true') {
      resultOptions[key] = true
    } else if (value === 'false') {
      resultOptions[key] = false
    } else {
      resultOptions[key] = value
    }
  }

  return resultOptions
}

const applyOptionRules = async options => {
  const resultOptions = {}

  for (const [key, value] of Object.entries(options)) {
    if (argsToCLIRules[key]) {
      resultOptions[key] = await argsToCLIRules[key](value)
    } else {
      resultOptions[key] = value
    }
  }

  return resultOptions
}

const toJestCLIArguments = options =>
  pipe(
    convertAliasesIntoJestOptions,
    convertStringToBoolean,
    applyOptionRules
  )(options)

export default toJestCLIArguments