56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
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import { rewriteUrl } from './cors.mjs';
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const json = (url, params) => fetchAsync(url, 'json', params);
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const text = (url, params) => fetchAsync(url, 'text', params);
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const raw = (url, params) => fetchAsync(url, '', params);
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const blob = (url, params) => fetchAsync(url, 'blob', params);
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const fetchAsync = async (_url, responseType, _params = {}) => {
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// combine default and provided parameters
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const params = {
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method: 'GET',
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mode: 'cors',
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type: 'GET',
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..._params,
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};
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// build a url, including the rewrite for cors if necessary
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let corsUrl = _url;
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if (params.cors === true) corsUrl = rewriteUrl(_url);
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const url = new URL(corsUrl, `${window.location.origin}/`);
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// match the security protocol when not on localhost
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url.protocol = window.location.hostname !== 'localhost' ? window.location.protocol : url.protocol;
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// add parameters if necessary
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if (params.data) {
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Object.keys(params.data).forEach((key) => {
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// get the value
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const value = params.data[key];
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// add to the url
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url.searchParams.append(key, value);
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});
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}
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// make the request
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const response = await fetch(url, params);
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// check for ok response
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if (!response.ok) throw new Error(`Fetch error ${response.status} ${response.statusText} while fetching ${response.url}`);
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// return the requested response
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switch (responseType) {
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case 'json':
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return response.json();
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case 'text':
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return response.text();
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case 'blob':
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return response.blob();
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default:
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return response;
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}
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};
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export {
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json,
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text,
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raw,
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blob,
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};
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