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fix #8411, fetch in case of cache error #8415

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Jul 1, 2019
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8 changes: 6 additions & 2 deletions src/util/ajax.js
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// @flow

import window from './window';
import { extend } from './util';
import { extend, warnOnce } from './util';
import { isMapboxHTTPURL, hasCacheDefeatingSku } from './mapbox';
import config from './config';
import assert from 'assert';
Expand Down Expand Up @@ -111,7 +111,11 @@ function makeFetchRequest(requestParameters: RequestParameters, callback: Respon

const validateOrFetch = (err, cachedResponse, responseIsFresh) => {
if (err) {
return callback(err);
// Do fetch in case of cache error.
// HTTP pages in Edge trigger a security error that can be ignored.
if (err.message !== 'SecurityError') {
warnOnce(err);
}
}

if (cachedResponse && responseIsFresh) {
Expand Down