auto-tdd/features/support/transform.js

Automated development with TDD

const {defineParameterType} = require('@cucumber/cucumber')

defineParameterType({
  regexp: /increment|decrement/,
  transformer: function (operationId) {
    switch (operationId) {
      case 'increment':
        return this.incrementBy
      case 'decrement':
        return this.decrementBy
      default:
        throw new Error(`Operation ${operationId} not supported`)
    }
  },
  name: 'operation'
})