Add redirect

README.md

@@ -1 +1,3 @@
 # emojicdn
+
+`emoji.json` from: https://github.com/iamcal/emoji-data/blob/master/emoji.json

index.js

@@ -1,3 +1,11 @@
+import emoji from "./emoji.json";
+
+const leftPad = (string, length, character) => {
+  return string.length >= length
+    ? string
+    : new Array(length - string.length + 1).join(character) + string;
+};
+
 export default {
   async fetch(request) {
     const url = new URL(request.url);
@@ -11,42 +19,21 @@ export default {
       return new Response("");
     }
 
-    function emojiToUnicodeCodePoints(emoji) {
-      // Get the code point for the emoji itself, in hexadecimal
-      let baseCodePoint = emoji.codePointAt(0).toString(16).toUpperCase();
-
-      // Initialize the result with the base emoji code point
-      let result = baseCodePoint;
-
-      // Check if there's a variation selector or another part (e.g., skin tone modifiers)
-      // Since an emoji can be composed of multiple code points, we use `Array.from` to split it properly
-      if (Array.from(emoji).length > 1) {
-        // Iterate through each character (considering surrogate pairs) in the emoji string after the first character
-        for (let i = 1; i < Array.from(emoji).length; i++) {
-          // Get the code point of the current part of the emoji, in hexadecimal
-          let additionalCodePoint = emoji
-            .codePointAt(i)
-            .toString(16)
-            .toUpperCase();
-
-          // Append the additional code point to the result string, with a dash
-          result += "-" + additionalCodePoint;
-
-          // Consider emojis that might be represented by more than one code point
-          // Adjust the loop counter by the number of code units the current code point takes up
-          // This is a precaution if emojis in future Unicode versions take up more than 2 code units
-          if (emoji.codePointAt(i) > 0xffff) {
-            i++; // Skip the next because we already handled a surrogate pair
-          }
-        }
-      }
-
-      return result;
-    }
+    const emojiText = decodeURIComponent(path);
+    const code = Array.from(emojiText)
+      .map((char) => leftPad(char.codePointAt(0).toString(16), 4, "0"))
+      .join("-");
+
+    const emojiData = emoji.find(
+      (e) => e.unified.toLowerCase() === code.toLowerCase()
+    );
 
-    console.log(decodeURIComponent(path));
-    console.log("HERE: " + emojiToUnicodeCodePoints(decodeURIComponent(path)));
+    if (!emojiData) {
+      return new Response("Emoji not found", { status: 404 });
+    }
 
-    return Response.json({});
+    return Response.redirect(
+      `https://cdn.jsdelivr.net/gh/iamcal/emoji-data/img-apple-160/${emojiData.image}`
+    );
   },
 };