@wmfs/asl-choice-processor/lib/operators/is-null.js

For determining the next state given an Amazon States Language 'Choices' definition and a set of values.

'use strict'

module.exports = function isNullOperator (inputValue, comparisonValue, candidateStateName, cache) {
  const isNull = inputValue === null

  if (isNull && comparisonValue === true) {
    return candidateStateName
  }

  if (!isNull && comparisonValue !== true) {
    return candidateStateName
  }
}