Skip to main content

useStateSelector()

function useStateSelector<TState, Selected>(
   selectStateFieldFunc: SelectStateFieldFunction<TState, Selected>, 
   fieldName?: string | string[], 
   opts?: UseStateSelectorOptions<Selected>): Selected;

Generic selector that receives a field selector function returned from getSelectField

Type Parameters​

TState​

TState = unknown

Selected​

Selected = unknown

Parameters​

selectStateFieldFunc​

SelectStateFieldFunction<TState, Selected>

the store state's field selector function

 // reducer.js
import { getSelectField } from 'elliemae/pui-app-sdk';

const name = 'someState';
export selectStateFieldFunc = getSelectField(name);

fieldName?​

string | string[]

the state's field you want to acccess, this accepts nested objects access, like so 'rootObj.childObj.field'

opts?​

UseStateSelectorOptions<Selected> = {}

options (defaultValue, equalityFn)

Returns​

Selected

See​

/lib/api/helpers.ts#getSelectField