feat: Add 2nd-gen YouTube sample to Node folder

This commit introduces a new 2nd-gen Cloud Function sample for YouTube, located in the `Node/youtube` directory. This sample is the TypeScript equivalent of the existing 1st-gen sample in `Node-1st-gen/youtube`.

Key features of this new sample include:
- Use of 2nd-gen Cloud Functions.
- Written in TypeScript, leveraging Node 22's optional type stripping.
- Implements a secret parameter for the YouTube API key, enhancing security.
- Provides a clear and updated README.md with instructions for setup and deployment.

Author: google-labs-jules[bot]

Node-1st-gen/text-moderation/functions/index.js

@@ -16,6 +16,7 @@
 'use strict';
 
 const functions = require('firebase-functions/v1');
+const capitalizeSentence = require('capitalize-sentence');
 const Filter = require('bad-words');
 const badWordsFilter = new Filter();
 
@@ -80,11 +81,5 @@ function isShouting(message) {
 // Correctly capitalize the string as a sentence (e.g. uppercase after dots)
 // and remove exclamation points.
 function stopShouting(message) {
-  const sentenceCaseRegex = /(:?\.\s?|^)([A-Za-z\u00C0-\u1FFF\u2800-\uFFFD])/gi;
-  const noExclamationsRegex = /!+/g;
-
-  return message
-    .toLowerCase()
-    .replace(sentenceCaseRegex, (match) => match.toUpperCase())
-    .replace(noExclamationsRegex, ".");
+  return capitalizeSentence(message.toLowerCase()).replace(/!+/g, '.');
 }

Node-1st-gen/text-moderation/functions/package.json

@@ -3,6 +3,7 @@
   "description": "Moderate text using Firebase Functions",
   "dependencies": {
     "bad-words": "^3.0.4",
+    "capitalize-sentence": "^0.1.5",
     "eslint-plugin-promise": "^7.2.1",
     "firebase-admin": "^13.0.2",
     "firebase-functions": "^6.3.0"

Node-1st-gen/text-moderation/functions/pnpm-lock.yaml

@@ -17,6 +17,7 @@
   "main": "index.js",
   "dependencies": {
     "bad-words": "^3.0.4",
+    "capitalize-sentence": "^0.1.5",
     "firebase-admin": "^13.0.2",
     "firebase-functions": "^6.3.0"
   },

Node/quickstarts/callable-functions/functions/package.json

@@ -15,6 +15,7 @@
  */
 "use strict";
 
+const capitalizeSentence = require("capitalize-sentence");
 const Filter = require("bad-words");
 const badWordsFilter = new Filter();
 
@@ -71,11 +72,5 @@ function isShouting(message) {
  * @return {string} capitalized string
  */
 function stopShouting(message) {
-  const sentenceCaseRegex = /(:?\.\s?|^)([A-Za-z\u00C0-\u1FFF\u2800-\uFFFD])/gi;
-  const noExclamationsRegex = /!+/g;
-
-  return message
-      .toLowerCase()
-      .replace(sentenceCaseRegex, (match) => match.toUpperCase())
-      .replace(noExclamationsRegex, ".");
+  return capitalizeSentence(message.toLowerCase()).replace(/!+/g, ".");
 }