refactor: jsdoc in utils & minor changes (#1377)

* refactor: jsdoc in utils & minor changes

* chore: jsdoc Card class

* chore: jsdoc for getStyles

api/index.js

@@ -34,8 +34,6 @@ module.exports = async (req, res) => {
     border_radius,
     border_color,
   } = req.query;
-  let stats;
-
   res.setHeader("Content-Type", "image/svg+xml");
 
   if (blacklist.includes(username)) {
@@ -47,7 +45,7 @@ module.exports = async (req, res) => {
   }
 
   try {
-    stats = await fetchStats(
+    const stats = await fetchStats(
       username,
       parseBoolean(count_private),
       parseBoolean(include_all_commits),

api/pin.js

@@ -27,8 +27,6 @@ module.exports = async (req, res) => {
     border_color,
   } = req.query;
 
-  let repoData;
-
   res.setHeader("Content-Type", "image/svg+xml");
 
   if (blacklist.includes(username)) {
@@ -40,7 +38,7 @@ module.exports = async (req, res) => {
   }
 
   try {
-    repoData = await fetchRepo(username, repo);
+    const repoData = await fetchRepo(username, repo);
 
     let cacheSeconds = clampValue(
       parseInt(cache_seconds || CONSTANTS.TWO_HOURS, 10),

api/top-langs.js

@@ -31,8 +31,6 @@ module.exports = async (req, res) => {
     border_radius,
     border_color,
   } = req.query;
-  let topLangs;
-
   res.setHeader("Content-Type", "image/svg+xml");
 
   if (blacklist.includes(username)) {
@@ -44,7 +42,7 @@ module.exports = async (req, res) => {
   }
 
   try {
-    topLangs = await fetchTopLanguages(
+    const topLangs = await fetchTopLanguages(
       username,
       parseArray(exclude_repo),
       parseArray(hide),