Add eslint

.github/workflows/eslint.yaml

@@ -0,0 +1,29 @@
+# SPDX-FileCopyrightText: 2026 The Pion community <https://pion.ly>
+# SPDX-License-Identifier: MIT
+
+name: ESLint
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "25"
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run ESLint
+        run: npm run lint

eslint.config.ts

@@ -0,0 +1,28 @@
+/**
+* SPDX-FileCopyrightText: 2026 The Pion community <https://pion.ly>
+* SPDX-License-Identifier: MIT
+*/
+
+import js from "@eslint/js";
+import { defineConfig } from "eslint/config";
+import tseslint from "typescript-eslint";
+
+export default defineConfig(
+  {
+    ignores: ["node_modules", "dist", "coverage"],
+  },
+  js.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    languageOptions: {
+      parserOptions: {
+        ecmaVersion: "latest",
+        sourceType: "module",
+      },
+    },
+    rules: {
+      quotes: ["error", "double", { avoidEscape: true }],
+      semi: ["error", "always"],
+    },
+  },
+);