.eslintrc.json

{
  "root": true,
  "overrides": [
    {
      "files": ["*.ts"],
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:@angular-eslint/recommended",
        // This is required if you use inline templates in Components
        "plugin:@angular-eslint/template/process-inline-templates"
      ],
      "rules": {
        /**
         * Any TypeScript source code (NOT TEMPLATE) related rules you wish to use/reconfigure over and above the
         * recommended set provided by the @angular-eslint project would go here.
         */
        "@angular-eslint/directive-selector": [
          "error",
          { "type": "attribute", "prefix": "app", "style": "camelCase" }
        ],
        "@angular-eslint/component-selector": [
          "error",
          { "type": "element", "prefix": "app", "style": "kebab-case" }
        ]
      }
    },
    {
      "files": ["*.html"],
      "extends": ["plugin:@angular-eslint/template/recommended"],
      "rules": {
        /**
         * Any template/HTML related rules you wish to use/reconfigure over and above the
         * recommended set provided by the @angular-eslint project would go here.
         */
      }
    }
  ]
}