Update build, linter and formatter

.npmignore

@@ -1,23 +1,15 @@
 src
-test
+src/test
 typings
 bundled
 build
 coverage
 docs
 wiki
-bower.json
-karma.conf.js
 tsconfig.json
-typings.json
 CONTRIBUTING.md
 ISSUE_TEMPLATE.md
 PULL_REQUEST_TEMPLATE.md
-tslint.json
-wallaby.js
-.travis.yml
 .gitignore
 .vscode
-type_definitions
-.eslintrc.json
 .github/

eslint.config.mjs

@@ -0,0 +1,177 @@
+// @ts-check
+
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import eslintPrettierConfig from 'eslint-plugin-prettier/recommended';
+import simpleImportSort from 'eslint-plugin-simple-import-sort';
+
+/**
+ * @returns {import('typescript-eslint').ConfigWithExtends}
+ */
+function buildBaseConfig() {
+  return {
+    extends: [
+      eslint.configs.recommended,
+      ...tseslint.configs.strictTypeChecked,
+    ],
+    languageOptions: {
+      parser: tseslint.parser,
+      parserOptions: {
+        project: './tsconfig.json',
+      },
+    },
+    plugins: {
+      '@typescript-eslint': tseslint.plugin,
+      'simple-import-sort': simpleImportSort,
+    },
+    rules: {
+      '@typescript-eslint/consistent-type-definitions': ['error', 'interface'],
+      '@typescript-eslint/explicit-member-accessibility': [
+        'error',
+        {
+          overrides: {
+            constructors: 'no-public',
+          },
+        },
+      ],
+      '@typescript-eslint/member-ordering': ['warn'],
+      '@typescript-eslint/naming-convention': [
+        'error',
+        {
+          selector: ['classProperty'],
+          format: ['strictCamelCase', 'UPPER_CASE', 'snake_case'],
+          leadingUnderscore: 'allow',
+        },
+        {
+          selector: 'typeParameter',
+          format: ['StrictPascalCase'],
+          prefix: ['T'],
+        },
+        {
+          selector: ['typeLike'],
+          format: ['StrictPascalCase'],
+        },
+        {
+          selector: ['function', 'classMethod'],
+          format: ['strictCamelCase'],
+          leadingUnderscore: 'allow',
+        },
+        {
+          selector: ['parameter'],
+          format: ['strictCamelCase'],
+          leadingUnderscore: 'allow',
+        },
+        {
+          selector: ['variableLike'],
+          format: ['strictCamelCase', 'UPPER_CASE', 'snake_case'],
+        },
+      ],
+      '@typescript-eslint/no-deprecated': 'error',
+      '@typescript-eslint/no-duplicate-type-constituents': 'off',
+      '@typescript-eslint/no-dynamic-delete': 'error',
+      '@typescript-eslint/no-extraneous-class': 'off',
+      '@typescript-eslint/no-inferrable-types': 'off',
+      '@typescript-eslint/no-empty-interface': 'warn',
+      '@typescript-eslint/no-explicit-any': 'error',
+      '@typescript-eslint/no-floating-promises': ['error'],
+      '@typescript-eslint/no-unsafe-enum-comparison': 'off',
+      'no-magic-numbers': 'off',
+      '@typescript-eslint/no-magic-numbers': [
+        'warn',
+        {
+          ignore: [0, 1],
+          ignoreArrayIndexes: true,
+          ignoreEnums: true,
+          ignoreReadonlyClassProperties: true,
+        },
+      ],
+      '@typescript-eslint/no-require-imports': 'error',
+      '@typescript-eslint/no-unnecessary-type-arguments': 'off',
+      '@typescript-eslint/no-unused-expressions': ['error'],
+      '@typescript-eslint/no-useless-constructor': 'error',
+      '@typescript-eslint/prefer-for-of': 'error',
+      '@typescript-eslint/prefer-nullish-coalescing': ['off'],
+      '@typescript-eslint/prefer-optional-chain': 'off',
+      '@typescript-eslint/prefer-readonly': ['warn'],
+      '@typescript-eslint/promise-function-async': ['error'],
+      '@typescript-eslint/require-await': 'off',
+      '@typescript-eslint/restrict-plus-operands': [
+        'error',
+        {
+          skipCompoundAssignments: false,
+        },
+      ],
+      '@typescript-eslint/typedef': [
+        'error',
+        {
+          arrayDestructuring: true,
+          arrowParameter: true,
+          memberVariableDeclaration: true,
+          objectDestructuring: true,
+          parameter: true,
+          propertyDeclaration: true,
+          variableDeclaration: true,
+        },
+      ],
+      '@typescript-eslint/unified-signatures': 'error',
+      '@typescript-eslint/strict-boolean-expressions': 'error',
+      '@typescript-eslint/switch-exhaustiveness-check': [
+        'error',
+        {
+          considerDefaultExhaustiveForUnions: true,
+        },
+      ],
+      '@typescript-eslint/no-unused-vars': [
+        'warn',
+        {
+          args: 'all',
+          argsIgnorePattern: '^_',
+          caughtErrors: 'all',
+          caughtErrorsIgnorePattern: '^_',
+          destructuredArrayIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+          ignoreRestSiblings: true,
+        },
+      ],
+      'simple-import-sort/imports': [
+        'error',
+        {
+          groups: [['^\\u0000'], ['^node:'], ['^@?\\w'], ['^'], ['^\\.']],
+        },
+      ],
+      'sort-keys': [
+        'error',
+        'asc',
+        {
+          caseSensitive: false,
+          natural: true,
+        },
+      ],
+    },
+  };
+}
+
+const baseRules = buildBaseConfig();
+
+const config = tseslint.config(
+  {
+    ...baseRules,
+    files: ['**/*.ts'],
+    ignores: ['**/*.test.ts'],
+  },
+  {
+    ...baseRules,
+    files: ['**/*.test.ts'],
+    rules: {
+      ...(baseRules.rules ?? {}),
+      '@typescript-eslint/no-confusing-void-expression': 'off',
+      '@typescript-eslint/unbound-method': 'off',
+      '@typescript-eslint/no-magic-numbers': 'off',
+    },
+  },
+  /** @type {import('typescript-eslint').ConfigWithExtends} */ (
+    eslintPrettierConfig
+  ),
+);
+
+export default [...config];

jest.config.json

@@ -13,7 +13,7 @@
   ],
   "rootDir": ".",
   "setupFilesAfterEnv": [
-    "<rootDir>/test/helpers/jest.setup.ts"
+    "<rootDir>/src/test/helpers/jest.setup.ts"
   ],
   "testEnvironment": "node",
   "testPathIgnorePatterns": [