| Path : /var/www/html/infraai.ai/frontend/node_modules/redux-thunk/src/ |
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/redux-thunk/src/index.ts |
import type { Action, AnyAction } from 'redux'
import type { ThunkMiddleware } from './types'
export type {
ThunkAction,
ThunkDispatch,
ThunkActionDispatch,
ThunkMiddleware
} from './types'
/** A function that accepts a potential "extra argument" value to be injected later,
* and returns an instance of the thunk middleware that uses that value
*/
function createThunkMiddleware<
State = any,
BasicAction extends Action = AnyAction,
ExtraThunkArg = undefined
>(extraArgument?: ExtraThunkArg) {
// Standard Redux middleware definition pattern:
// See: https://redux.js.org/tutorials/fundamentals/part-4-store#writing-custom-middleware
const middleware: ThunkMiddleware<State, BasicAction, ExtraThunkArg> =
({ dispatch, getState }) =>
next =>
action => {
// The thunk middleware looks for any functions that were passed to `store.dispatch`.
// If this "action" is really a function, call it and return the result.
if (typeof action === 'function') {
// Inject the store's `dispatch` and `getState` methods, as well as any "extra arg"
return action(dispatch, getState, extraArgument)
}
// Otherwise, pass the action down the middleware chain as usual
return next(action)
}
return middleware
}
export const thunk = createThunkMiddleware()
// Export the factory function so users can create a customized version
// with whatever "extra arg" they want to inject into their thunks
export const withExtraArgument = createThunkMiddleware