Transform camelCase to ACTION_NAMES

transformToActionNames.js

function transformToActionNames(actions) {
  return _.map(actions, (action) => {
    let newActionName = ''
    for (var index = 0; index < action.length; index++) {
      var char = action[index]
      if (index === 0) {
        newActionName += char.toUpperCase()
        continue
      }
      if (char == char.toUpperCase()) {
        newActionName += '_' + char
        continue
      }
      newActionName += char.toUpperCase()
    }
    return newActionName
  })
}