DO NOT REVIEW: GitHub Actions: Implement ESlint

.eslintrc.json

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+{
+  "env": {
+    "browser": true,
+      "es2021": true,
+      "node": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+      "ecmaVersion": "latest",
+      "sourceType": "module"
+    },
+    "rules": {
+
+    }
+}

.github/workflows/lint-js.yml

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+name: Lint JS
+
+
+on:
+  pull_request:
+    branches: [gh-pages]
+  push:
+    branches: [gh-pages]
+
+jobs:
+  build:
+    name: Lint JS
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+        with:
+          # Full git history is needed to get a proper list of changed files within `super-linter`
+          fetch-depth: 0
+
+      # Run Linter against code base #
+      - name: Lint JS
+        uses: github/super-linter@v5.0.0
+        env:
+          VALIDATE_ALL_CODEBASE: false
+          DEFAULT_BRANCH: gh-pages
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+
+          LINTER_RULES_PATH: /
+          JAVASCRIPT_ES_CONFIG_FILE: .eslintrc.json
+          VALIDATE_JAVASCRIPT_ES: true

newEslintTest.js

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+const unusedVar = () => {
+  const foo = 1;
+  const bar = 2;
+  const baz = 3;
+  return bar;
+}