import { isEmpty } from 'lodash'; import { mergeUrlParams } from './url_utility'; // We should probably not couple this utility to `gon.gitlab_url` // Also, this would replace occurrences that aren't at the beginning of the string const removeGitLabUrl = url => url.replace(gon.gitlab_url, ''); const getFullUrl = req => { const url = removeGitLabUrl(req.url); return mergeUrlParams(req.params || {}, url); }; const setupAxiosStartupCalls = axios => { const { startup_calls: startupCalls } = window.gl || {}; if (!startupCalls || isEmpty(startupCalls)) { return; } // TODO: To save performance of future axios calls, we can // remove this interceptor once the "startupCalls" have been loaded axios.interceptors.request.use(req => { const fullUrl = getFullUrl(req); const existing = startupCalls[fullUrl]; if (existing) { // eslint-disable-next-line no-param-reassign req.adapter = () => existing.fetchCall.then(res => { const fetchHeaders = {}; res.headers.forEach((val, key) => { fetchHeaders[key] = val; }); // eslint-disable-next-line promise/no-nesting return res.json().then(data => ({ data, status: res.status, statusText: res.statusText, headers: fetchHeaders, config: req, request: req, })); }); } return req; }); }; export default setupAxiosStartupCalls;