masto-fe/app/javascript/mastodon/middleware/errors.js
unarist 2c51bc0ca5 Add missing rejection handling for Promises (#7008)
* Add eslint-plugin-promise to detect uncaught rejections

* Move alert generation for errors to actions/alert

* Add missing rejection handling for Promises

* Use catch() instead of onReject on then()

Then it will catches rejection from onFulfilled. This detection can be
disabled by `allowThen` option, though.
2018-04-02 14:51:02 +02:00

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JavaScript

import { showAlertForError } from '../actions/alerts';
const defaultFailSuffix = 'FAIL';
export default function errorsMiddleware() {
return ({ dispatch }) => next => action => {
if (action.type && !action.skipAlert) {
const isFail = new RegExp(`${defaultFailSuffix}$`, 'g');
if (action.type.match(isFail)) {
dispatch(showAlertForError(action.error));
}
}
return next(action);
};
};