Convert to ESM

.eslintrc.cjs

@@ -0,0 +1,103 @@
+module.exports = {
+    extends: ['airbnb', 'airbnb-typescript', 'prettier'],
+    plugins: [
+        'unused-imports',
+        'eslint-plugin-import',
+        '@typescript-eslint',
+        'no-relative-import-paths',
+        'prettier',
+        'header',
+    ],
+    parserOptions: {
+        project: ['./tsconfig.json', './tsconfig.node.json', './tools/scripts/tsconfig.json'],
+    },
+    overrides: [
+        {
+            files: ['*'],
+            rules: {
+                'unused-imports/no-unused-imports': 'error',
+
+                'import/prefer-default-export': 'off',
+                'import/no-default-export': 'error',
+
+                'header/header': [
+                    'error',
+                    'block', // comment type
+                    [
+                        // expected file header comment
+                        // the spaces are important, otherwise, the rule will mark it as an error
+                        '',
+                        ' * Copyright (C) Contributors to the Suwayomi project',
+                        ' *',
+                        ' * This Source Code Form is subject to the terms of the Mozilla Public',
+                        ' * License, v. 2.0. If a copy of the MPL was not distributed with this',
+                        ' * file, You can obtain one at https://mozilla.org/MPL/2.0/.',
+                        ' ',
+                    ],
+                    2, // number of new lines after comment
+                ],
+
+                'prettier/prettier': 'error',
+
+                'class-methods-use-this': 'off',
+
+                'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
+
+                // just why
+                'react/jsx-uses-react': 'off',
+                'react/react-in-jsx-scope': 'off',
+                'react/jsx-no-bind': 'off',
+                'react/jsx-props-no-spreading': 'off',
+                'react/require-default-props': 'off',
+                'react/function-component-definition': 'off',
+
+                'react/no-unstable-nested-components': [
+                    'error',
+                    {
+                        allowAsProps: true,
+                    },
+                ],
+
+                // seems to be bugged for aliases
+                'import/extensions': ['error', 'ignorePackages', { '': 'never' }],
+
+                'no-relative-import-paths/no-relative-import-paths': [
+                    'error',
+                    {
+                        rootDir: 'src',
+                        prefix: '@',
+                    },
+                ],
+
+                'no-restricted-imports': [
+                    'error',
+                    {
+                        patterns: [
+                            {
+                                group: ['@mui/*', '!@mui/material/', '!@mui/icons-material/', '!@mui/x-date-pickers/'],
+                            },
+                            {
+                                group: ['@mui/*/*/*'],
+                            },
+                        ],
+                    },
+                ],
+
+                'no-restricted-syntax': [
+                    'error',
+                    {
+                        selector: 'TSTypeReference[typeName.name="SxProps"]:not([typeParameters])',
+                        message: 'SxProps must have Theme parameter to avoid significant compiler slowdown.',
+                    },
+                ],
+            },
+        },
+        {
+            files: ['tools/scripts/*'],
+            rules: {
+                'no-relative-import-paths/no-relative-import-paths': 'off',
+                'import/no-extraneous-dependencies': ['error', { devDependencies: true }],
+            },
+        },
+    ],
+};