refactor: migrate to using arrow functions (#2033)

src/fetchers/repo-fetcher.js

@@ -60,7 +60,7 @@ const urlExample = "/api/pin?username=USERNAME&repo=REPO_NAME";
  * @param {string} reponame GitHub repository name.
  * @returns {Promise<import("./types").RepositoryData>} Repository data.
  */
-async function fetchRepo(username, reponame) {
+const fetchRepo = async (username, reponame) => {
   if (!username && !reponame) {
     throw new MissingParamError(["username", "repo"], urlExample);
   }
@@ -100,7 +100,7 @@ async function fetchRepo(username, reponame) {
       starCount: data.organization.repository.stargazers.totalCount,
     };
   }
-}
+};
 
 export { fetchRepo };
 export default fetchRepo;

src/fetchers/stats-fetcher.js

@@ -188,12 +188,12 @@ const totalStarsFetcher = async (username, repoToHide) => {
  * @param {boolean} include_all_commits Include all commits.
  * @returns {Promise<import("./types").StatsData>} Stats data.
  */
-async function fetchStats(
+const fetchStats = async (
   username,
   count_private = false,
   include_all_commits = false,
   exclude_repo = [],
-) {
+) => {
   if (!username) throw new MissingParamError(["username"]);
 
   const stats = {
@@ -275,7 +275,7 @@ async function fetchStats(
   });
 
   return stats;
-}
+};
 
 export { fetchStats };
 export default fetchStats;

src/fetchers/top-languages-fetcher.js

@@ -57,7 +57,7 @@ const fetcher = (variables, token) => {
  * @param {string[]} exclude_repo List of repositories to exclude.
  * @returns {Promise<import("./types").TopLangData>} Top languages data.
  */
-async function fetchTopLanguages(username, exclude_repo = []) {
+const fetchTopLanguages = async (username, exclude_repo = []) => {
   if (!username) throw new MissingParamError(["username"]);
 
   const res = await retryer(fetcher, { login: username });
@@ -136,7 +136,7 @@ async function fetchTopLanguages(username, exclude_repo = []) {
     }, {});
 
   return topLangs;
-}
+};
 
 export { fetchTopLanguages };
 export default fetchTopLanguages;