chore(eslint): update ESLint configuration to flat config (#34)

eslint.config.js

@@ -0,0 +1,56 @@
+import typescriptPlugin from '@typescript-eslint/eslint-plugin';
+import typescriptParser from '@typescript-eslint/parser';
+import tsDocPlugin from 'eslint-plugin-tsdoc';
+import stylisticTs from '@stylistic/eslint-plugin-ts';
+import pluginJest from 'eslint-plugin-jest';
+
+export default [
+  {
+    ignores: ['docs', 'node_modules', 'dist', 'coverage'],
+  },
+  {
+    plugins: {
+      '@typescript-eslint': typescriptPlugin,
+      '@stylistic/ts': stylisticTs,
+      'jest': pluginJest,
+      'tsdoc': tsDocPlugin,
+    },
+  },
+  {
+    languageOptions: {
+      parser: typescriptParser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        sourceType: 'module',
+      },
+    },
+  },
+  {
+    files: ['**/*.ts', '**/*.tsx'],
+    rules: {
+      'capitalized-comments': ['warn', 'always'],
+      'dot-notation': 'warn',
+      'prefer-destructuring': ['error', { object: true, array: false }],
+      'quotes': ['error', 'single'],
+      '@stylistic/ts/indent': ['error', 2],
+      '@stylistic/ts/semi': ['error', 'always'],
+      'object-curly-spacing': ['error', 'always'],
+      'sort-imports': 'warn',
+      'callback-return': 'warn',
+      'global-require': 'warn',
+      'handle-callback-err': 'warn',
+      'no-buffer-constructor': 'error',
+      'no-mixed-requires': ['warn', { grouping: true, allowCall: true }],
+      'no-new-require': 'error',
+      'no-path-concat': 'error',
+      'no-process-exit': 'warn',
+      '@typescript-eslint/no-unused-vars': ['error'],
+      "tsdoc/syntax": "warn",
+      'jest/no-disabled-tests': 'warn',
+      'jest/no-focused-tests': 'error',
+      'jest/no-identical-title': 'error',
+      'jest/prefer-to-have-length': 'warn',
+      'jest/valid-expect': 'error',
+    },
+  },
+];

jest.config.js

@@ -1,4 +1,3 @@
-/* eslint-disable import/no-anonymous-default-export */
 /** @type {import('jest').Config} */
 export default {
   testEnvironment: 'jsdom',