eslint.config.js

// @ts-check
// Allows us to bring in the recommended core rules from eslint itself
const eslint = require('@eslint/js');

// Allows us to use the typed utility for our config, and to bring in the recommended rules for TypeScript projects from typescript-eslint
const tsEslint = require('typescript-eslint');

const angular = require('angular-eslint');


// Export our config array, which is composed together thanks to the typed utility function from typescript-eslint
module.exports = tsEslint.config(
  {
    // Everything in this config object targets our TypeScript files (Components, Directives, Pipes etc)
    files: ['**/*.ts'],
    ignores: ['**/*.spec.ts', '**/testing/**/*.ts'],
    extends: [
      eslint.configs.recommended,
      ...tsEslint.configs.strict,
      ...tsEslint.configs.stylistic,
      ...angular.configs.tsRecommended,
    ],
    // Set the custom processor which will allow us to have our inline Component templates extracted
    // and treated as if they are HTML files (and therefore have the .html config below applied to them)
    processor: angular.processInlineTemplates,
    // // Override specific rules for TypeScript files (these will take priority over the extended configs above)
    rules: {
      '@angular-eslint/directive-selector': [
        'error',
        {
          type: 'attribute',
          prefix: 'app',
          style: 'camelCase',
        },
      ],
      '@angular-eslint/component-selector': [
        'error',
        {
          type: 'element',
          prefix: 'app',
          style: 'kebab-case',
        },
      ],
      '@angular-eslint/no-input-rename': 'off',
      '@typescript-eslint/no-extraneous-class': 'off'
    }
  },
  {
    files: ['**/*.spec.ts, **/testing/**/*.ts'],
    extends: [
      eslint.configs.recommended,
      ...tsEslint.configs.recommended,
      ...tsEslint.configs.stylistic,
      ...angular.configs.tsRecommended
    ]
  },
  {
    // Everything in this config object targets our HTML files (external templates,
    // and inline templates as long as we have the `processor` set on our TypeScript config above)
    files: ['**/*.html'],
    ignores: ['**/api**/*.html'],
    extends: [
      ...angular.configs.templateRecommended,
      ...angular.configs.templateAccessibility
    ],
    rules: {
      '@typescript-eslint/consistent-indexed-object-style': 'off'
    }
  },
);