Type alias Service<S>

Service<S>: {
onchange?: ((state: S) => any);
run: ((cell: MeiosisCell<S>) => any);
}

A service gets called when the state changes and when the value returned by the onchange function has changed.

Type Parameters

S

the State type.

Type declaration

Optional onchange?: ((state: S) => any)
- - (state: S): any
  - Function that gets called when the state changes. This function should return a value from the state. Only when that value changes will the service's run function be called.
    Parameters
    - state: S
    Returns any
run: ((cell: MeiosisCell<S>) => any)
- - (cell: MeiosisCell<S>): any
  - Function that gets called when the value returned by the onchange function has changed. The function should call cell.update(...) to update the state.
    Parameters
    - cell: MeiosisCell<S>
    Returns any

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