feat: added Top languages card

api/top-langs.js

@@ -0,0 +1,44 @@
+require("dotenv").config();
+const { renderError, clampValue, CONSTANTS } = require("../src/utils");
+const fetchTopLanguages = require("../src/fetchTopLanguages");
+const renderTopLanguages = require("../src/renderTopLanguages");
+
+module.exports = async (req, res) => {
+  const {
+    username,
+    card_width,
+    title_color,
+    text_color,
+    bg_color,
+    theme,
+    cache_seconds,
+  } = req.query;
+  let topLangs;
+
+  res.setHeader("Content-Type", "image/svg+xml");
+
+  try {
+    topLangs = await fetchTopLanguages(username);
+  } catch (err) {
+    return res.send(renderError(err.message));
+  }
+
+  const cacheSeconds = clampValue(
+    parseInt(cache_seconds || CONSTANTS.THIRTY_MINUTES, 10),
+    CONSTANTS.THIRTY_MINUTES,
+    CONSTANTS.ONE_DAY
+  );
+
+  res.setHeader("Cache-Control", `public, max-age=${cacheSeconds}`);
+
+  res.send(
+    renderTopLanguages(topLangs, {
+      theme,
+      card_width: parseInt(card_width, 10),
+      title_color,
+      text_color,
+      bg_color,
+      theme,
+    })
+  );
+};