js-bigchaindb-driver/utils/request.js

45 lines
1.3 KiB
JavaScript

import { request as baseRequest, sanitize } from 'js-utility-belt/es6';
import ApiUrls from '../constants/api_urls';
const DEFAULT_REQUEST_CONFIG = {
credentials: 'include',
headers: {
'Accept': 'application/json'
}
};
/**
* Small wrapper around js-utility-belt's request that provides url resolving, default settings, and
* response handling.
*/
export default function request(url, config = {}) {
// Load default fetch configuration and remove any falsy query parameters
const requestConfig = Object.assign({}, DEFAULT_REQUEST_CONFIG, config, {
query: config.query && sanitize(config.query)
});
let apiUrl = url;
if (requestConfig.jsonBody) {
requestConfig.headers = Object.assign({}, requestConfig.headers, {
'Content-Type': 'application/json'
});
}
if (!url) {
return Promise.reject(new Error('Request was not given a url.'));
} else if (!url.match(/^http/)) {
apiUrl = ApiUrls[url];
if (!apiUrl) {
return Promise.reject(new Error(`Request could not find a url mapping for "${url}"`));
}
}
return baseRequest(apiUrl, requestConfig)
.then((res) => res.json())
.catch((err) => {
console.error(err);
throw err;
});
}