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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/. */
"use strict";
/**
* A middleware that allows thunks (functions) to be dispatched
* If it's a thunk, it is called with an argument that will be an object
* containing `dispatch` and `getState` properties, plus any additional properties
* defined in the `options` parameters.
* This allows the action to create multiple actions (most likely asynchronously).
*/
function thunk(options = {}) {
return function ({ dispatch, getState }) {
return next => action => {
return typeof action === "function"
? action({ dispatch, getState, ...options })
: next(action);
};
};
}
exports.thunk = thunk;
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