ESLint Github action for lwc, aura and other JS

eslint-aura-lwc.yml

name: aura && lwc lint
on:
  push:
    paths:
      - 'myns/main/services/aura/**'
      - 'myns/main/polyfills/aura/**'
      - 'myns/main/default/aura/**'
      - 'myns/main/default/staticresources/JS_Callbacks/**'
      - 'myns/main/default/lwc/**'
      - 'ui-tests/selenium/js/**'
jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v1
      - uses: actions/setup-node@v1
      - name: Cache node modules
        id: cache
        uses: actions/cache@v1
        with:
          path: node_modules # npm cache files are stored in `~/.npm` on Linux/macOS
          key: ${{ runner.os }}-node_modules-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-
      - name: Install Dependencies
        if: steps.cache.outputs.cache-hit != 'true'
        run: npm ci
      - name: ESlint aura and lwc
        run: npm run lint


BEGIN package.json FILE
{
  "scripts": {
    "lint": "eslint --quiet myns/main/default/lwc myns/main/services/aura myns/main/polyfills/aura myns/main/default/aura myns/main/default/staticresources/JS_Callbacks ui-tests/selenium/js/"
  },
  "devDependencies": {
    "@lwc/eslint-plugin-lwc": "^0.9.0",
    "@salesforce/sfdx-lwc-jest": "^0.5.4",
    "babel-eslint": "^10.0.3",
    "eslint": "^6.8.0",
  }
}

BEGIN .eslintrc.js FILE placed in myns/main/default/lwc
{
    "parser": "babel-eslint",
    "plugins": ["@lwc/eslint-plugin-lwc"],
    "rules": {
        "@lwc/lwc/no-deprecated": "error",
        "@lwc/lwc/valid-api": "error",
        "@lwc/lwc/valid-track": "error",
        "@lwc/lwc/valid-wire": "error",
        "@lwc/lwc/no-document-query": "error",
        "@lwc/lwc/consistent-component-name": "error",
        "@lwc/lwc/no-leading-uppercase-api-name": "error",
        "@lwc/lwc/no-dupe-class-members": "error",
        "@lwc/lwc/no-inner-html": "error",
        "semi": 0,
        "no-multiple-empty-lines": 0,
        "comma-dangle": 0
    },
    "extends": "../../../../.eslintrc.js"
}

BEGIN .git/hooks/pre-commit FILE (aka pre-commit hook)
#!/bin/bash
exec 1>&2
npm run lint

WARNING: YOU NEED A .eslintrc.js file in main directory that uses es5 for aura and rest of the files specified in the paths above