♻️(y-provider) replace y-webrtc-signaling by server-y-provider

We replace the y-webrtc-signaling app by
the server-y-provider server.
The server-y-provider server uses @hocuspocus to
do collaborative editing on docs.

src/frontend/servers/y-provider/.eslintrc.cjs

@@ -0,0 +1,14 @@
+module.exports = {
+  root: true,
+  extends: ['impress/next'],
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
+  settings: {
+    next: {
+      rootDir: __dirname,
+    },
+  },
+  ignorePatterns: ['node_modules', '.eslintrc.js'],
+};

src/frontend/servers/y-provider/nodemon.json

@@ -0,0 +1,5 @@
+{
+  "watch": ["src"],
+  "ext": "ts",
+  "exec": "yarn build"
+}

src/frontend/servers/y-provider/package.json

@@ -0,0 +1,28 @@
+{
+  "name": "server-y-provider",
+  "version": "1.2.1",
+  "description": "Y.js provider for docs",
+  "repository": "https://github.com/numerique-gouv/impress",
+  "license": "MIT",
+  "type": "module",
+  "scripts": {
+    "build": "tsc -p .",
+    "dev": "nodemon --config nodemon.json",
+    "start": "node ./dist/server.js",
+    "lint": "eslint . --ext .ts"
+  },
+  "engines": {
+    "node": ">=18"
+  },
+  "dependencies": {
+    "@hocuspocus/server": "2.13.5"
+  },
+  "devDependencies": {
+    "@types/node": "*",
+    "eslint-config-impress": "*",
+    "nodemon": "3.1.4",
+    "ts-jest": "29.2.5",
+    "ts-node": "10.9.2",
+    "typescript": "*"
+  }
+}

src/frontend/servers/y-provider/src/server.ts

@@ -0,0 +1,18 @@
+import { Server } from '@hocuspocus/server';
+
+const port = Number(process.env.PORT || 4444);
+
+const server = Server.configure({
+  name: 'docs-y-provider',
+  port: port,
+  timeout: 30000,
+  debounce: 2000,
+  maxDebounce: 30000,
+  quiet: true,
+});
+
+server.listen().catch((error) => {
+  console.error('Failed to start the server:', error);
+});
+
+console.log('Websocket server running on port :', port);

src/frontend/servers/y-provider/tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": false,
+    "outDir": "./dist",
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules"]
+}