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/*
* This file is part of caronte (https://github.com/eciavatta/caronte).
* Copyright (c) 2020 Emiliano Ciavatta.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
async function json(method, url, data, json, headers) {
const options = {
method: method,
body: json != null ? JSON.stringify(json) : data,
mode: "cors",
cache: "no-cache",
credentials: "same-origin",
headers: headers || {
"Content-Type": "application/json"
},
redirect: "follow",
referrerPolicy: "no-referrer",
};
const response = await fetch(url, options);
const result = {
statusCode: response.status,
status: `${response.status} ${response.statusText}`,
json: await response.json()
};
if (response.status >= 200 && response.status < 300) {
return result;
} else {
return Promise.reject(result);
}
}
async function download(url, headers) {
const options = {
mode: "cors",
cache: "no-cache",
credentials: "same-origin",
headers: headers || {},
redirect: "follow",
referrerPolicy: "no-referrer",
};
const response = await fetch(url, options);
const result = {
statusCode: response.status,
status: `${response.status} ${response.statusText}`,
blob: await response.blob()
};
if (response.status >= 200 && response.status < 300) {
return result;
} else {
return Promise.reject(result);
}
}
const backend = {
get: (url = "", headers = null) =>
json("GET", url, null, null, headers),
post: (url = "", data = null, headers = null) =>
json("POST", url, null, data, headers),
put: (url = "", data = null, headers = null) =>
json("PUT", url, null, data, headers),
delete: (url = "", data = null, headers = null) =>
json("DELETE", url, null, data, headers),
postFile: (url = "", data = null, headers = {}) =>
json("POST", url, data, null, headers),
download: (url = "", headers = null) =>
download(url, headers)
};
export default backend;
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