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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";
loader.lazyRequireGetter(
this,
["executeSoon", "isAsyncFunction", "reportException"],
true
);
const ERROR_TYPE = (exports.ERROR_TYPE = "@@redux/middleware/task#error");
/**
* A middleware that allows async thunks (async functions) to be dispatched.
* The middleware is called "task" for historical reasons. TODO: rename?
*/
function task({ dispatch, getState }) {
return next => action => {
if (isAsyncFunction(action)) {
return action({ dispatch, getState }).catch(
handleError.bind(null, dispatch)
);
}
return next(action);
};
}
function handleError(dispatch, error) {
executeSoon(() => {
reportException(ERROR_TYPE, error);
dispatch({ type: ERROR_TYPE, error });
});
}
exports.task = task;