Update findMatchingEmoji function too return all matching emojis

package.json

@@ -2,7 +2,7 @@
   "main": "index.js",
   "scripts": {
     "start": "functions-framework --target=xplorersbot",
-    "test": "task clean && jest --verbose --coverage tests",
+    "test": "task clean && jest --verbose --coverage --watch",
     "start-xplorersbot-server": "task clean && tsc && cd out && npx functions-framework --target=xplorersbot --signature-type=http",
     "start-openai-server": "task clean && tsc && cd out && npx functions-framework --target=xplorersbotOpenAI --signature-type=http"
   },

src/emojis/emojiHandler.test.ts

@@ -0,0 +1,27 @@
+import { findMatchingEmojiKeywords } from "./emojiHandler";
+
+const emojis = {
+    react: ["react", "reactjs"],
+    javascript: ["js", "javascript"],
+    programming: ["javascript", "python"],
+};
+
+describe("Emoji handler", () => {
+    it("should return matching emojis for a given keyword", () => {
+        const keywords = Object.values(emojis).flat();
+
+        const matchingEmojis = findMatchingEmojiKeywords(
+            keywords,
+            "reactivity",
+            emojis
+        );
+        expect(matchingEmojis).toEqual(["react"]);
+
+        const matchingEmojis2 = findMatchingEmojiKeywords(
+            keywords,
+            "javascript",
+            emojis
+        );
+        expect(matchingEmojis2).toEqual(["javascript", "programming"]);
+    });
+});

src/emojis/emojiHandler.ts

@@ -15,22 +15,20 @@ export function getEmojisToReactWith(text: string): Array<string> {
     return Array.from(new Set(emojisToReactWith));
 }
 
-function findMatchingEmojiKeywords(
+export function findMatchingEmojiKeywords(
     keywords: string[],
     lowerCaseText: string,
     emojis: Record<string, string[]>
-): Array<string> {
-    const matchingEmojiKeywords: Array<string> = [];
-
+) {
+    const emojiKeys = Object.keys(emojis);
     for (const keyword of keywords) {
         //this is too deep too
-        if (lowerCaseText.includes(keyword)) {
-            matchingEmojiKeywords.push(
-                Object.keys(emojis).find((key) =>
-                    emojis[key].includes(keyword)
-                )!
+        const textHasKeyword = lowerCaseText.includes(keyword);
+        if (textHasKeyword) {
+            const matchingEmojis = emojiKeys.filter((key) =>
+                emojis[key].includes(keyword)
             );
+            return matchingEmojis;
         }
     }
-    return matchingEmojiKeywords;
 }