Function createCounterMachine

packages/core/test/assign.test.ts:9–91

(context: Partial<CounterContext> = {})

}

const createCounterMachine = (context: Partial<CounterContext> = {}) =>
  createMachine({
    types: {} as { context: CounterContext },
    initial: 'counting',
    context: { count: 0, foo: 'bar', ...context },
    states: {
      counting: {
        on: {
          INC: [
            {
              target: 'counting',
              actions: assign(({ context }) => ({
                count: context.count + 1
              }))
            }
          ],
          DEC: [
            {
              target: 'counting',
              actions: [
                assign({
                  count: ({ context }) => context.count - 1
                })
              ]
            }
          ],
          WIN_PROP: [
            {
              target: 'counting',
              actions: [
                assign({
                  count: () => 100,
                  foo: () => 'win'
                })
              ]
            }
          ],
          WIN_STATIC: [
            {
              target: 'counting',
              actions: [
                assign({
                  count: 100,
                  foo: 'win'
                })
              ]
            }
          ],
          WIN_MIX: [
            {
              target: 'counting',
              actions: [
                assign({
                  count: () => 100,
                  foo: 'win'
                })
              ]
            }