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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);
}
}
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)
};
export default backend;
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