.eslintrc.json

{
  "root": true,
  "ignorePatterns": ["*spec.ts"],
  "overrides": [
    {
      "files": ["*.ts"],
      "parserOptions": {
        "project": ["tsconfig.json"],
        "createDefaultProgram": true
      },
      "extends": [
        "plugin:@angular-eslint/recommended",
        "plugin:@angular-eslint/template/process-inline-templates"
      ],
      "rules": {
        "@angular-eslint/directive-selector": [
          "error",
          {
            "type": "attribute",
            "prefix": "app",
            "style": "camelCase"
          }
        ],
        "@angular-eslint/component-selector": [
          "error",
          {
            "type": "element",
            "prefix": "app",
            "style": "kebab-case"
          }
        ],
        "@typescript-eslint/typedef": [
          "error",
          {
            "arrowParameter": true,
            "variableDeclaration": true,
            "arrayDestructuring": true,
            "memberVariableDeclaration": true,
            "objectDestructuring": true,
            "parameter": true,
            "propertyDeclaration": true,
            "variableDeclarationIgnoreFunction": true
          }
        ],
        "@typescript-eslint/explicit-function-return-type": ["error"]
      }
    },
    {
      "files": ["*.html"],
      "extends": ["plugin:@angular-eslint/template/recommended"],
      "rules": {}
    }
  ]
}