75 lines
1.7 KiB
JavaScript
75 lines
1.7 KiB
JavaScript
const API_URL = '';
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function ApiError(message, data, status) {
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let response = null;
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let isObject = false;
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try {
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response = JSON.parse(data);
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isObject = true;
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} catch (e) {
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response = data;
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}
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this.response = response;
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this.message = message;
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this.status = status;
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this.toString = function () {
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return `${ this.message }\nResponse:\n${ isObject ? JSON.stringify(this.response, null, 2) : this.response }`;
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};
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}
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const fetchResource = (path, userOptions = {}) => {
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const defaultOptions = {};
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const defaultHeaders = {
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'Content-Type': 'application/json'
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};
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const options = {
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...defaultOptions,
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...userOptions,
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headers: {
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...defaultHeaders,
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...userOptions.headers,
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},
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};
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const url = `${ API_URL }/${ path }`;
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const isFile = options.body instanceof File;
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if (options.body && typeof options.body === 'object' && !isFile) {
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options.body = JSON.stringify(options.body);
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}
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let response = null;
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return fetch(url, options)
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.then(responseObject => {
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response = responseObject;
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if (response.status === 401) {
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}
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if (response.status < 200 || response.status >= 300) {
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return response.text();
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}
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return response.json();
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})
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.then(parsedResponse => {
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if (response.status < 200 || response.status >= 300) {
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throw parsedResponse;
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}
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return parsedResponse;
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})
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.catch(error => {
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if (response) {
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throw new ApiError(`Request failed with status ${ response.status }.`, error, response.status);
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} else {
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throw new ApiError(error.toString(), null, 'REQUEST_FAILED');
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}
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});
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};
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export default fetchResource; |