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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
/**
* A middleware that allows thunks (functions) to be dispatched. If
* it's a thunk, it is called with an argument that contains
* `dispatch`, `getState`, and any additional args passed in via the
* middleware constructure. This allows the action to create multiple
* actions (most likely asynchronously).
*/
export function thunk(makeArgs) {
return ({ dispatch, getState }) => {
const args = { dispatch, getState };
return next => action => {
return typeof action === "function"
? action(makeArgs ? makeArgs(args, getState()) : args)
: next(action);
};
};
}