38 lines
1.5 KiB
JavaScript
38 lines
1.5 KiB
JavaScript
// https://stackoverflow.com/questions/49971575/chrome-fetch-api-cannot-load-file-how-to-workaround
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if (/^file:\/\/\//.test(location.href) && /chrome/i.test(navigator.userAgent)) {
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let path = './';
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let orig = fetch;
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window.fetch = (resource) => ((/^[^/:]*:/.test(resource)) ?
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orig(resource) :
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new Promise(function(resolve, reject) {
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let request = new XMLHttpRequest();
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let fail = (error) => {reject(error)};
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['error', 'abort'].forEach((event) => { request.addEventListener(event, fail); });
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let pull = (expected) => (new Promise((resolve, reject) => {
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if (expected == 'json') {
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try {
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resolve(JSON.parse(request.response))
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} catch(e) {}
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}
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if (
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request.responseType == expected ||
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(expected == 'text' && !request.responseType)
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)
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resolve(request.response);
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else
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reject(request.responseType);
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}));
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request.addEventListener('load', () => (resolve({
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arrayBuffer : () => (pull('arraybuffer')),
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blob : () => (pull('blob')),
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text : () => (pull('text')),
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json : () => (pull('json'))
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})));
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request.open('GET', resource.replace(/^\//, path));
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request.send();
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})
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);
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} |