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Merged
domhhv merged 1 commit into from
Jun 3, 2026
Merged

feat: upgrade packages and eslint config, apply eslint rules #16

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2 changes: 1 addition & 1 deletion .nvmrc
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Original file line number Diff line number Diff line change
@@ -1 +1 @@
22.21.1
22.22.3
275 changes: 124 additions & 151 deletions eslint.config.mjs
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import { dirname } from 'path';
import { fileURLToPath } from 'url';

import { FlatCompat } from '@eslint/eslintrc';
import js from '@eslint/js';
import stylistic from '@stylistic/eslint-plugin';
import nextCoreWebVitals from 'eslint-config-next/core-web-vitals';
import nextTypescript from 'eslint-config-next/typescript';
import eslintConfigPrettier from 'eslint-config-prettier/flat';
import perfectionist from 'eslint-plugin-perfectionist';
import switchCase from 'eslint-plugin-switch-case';
import unusedImports from 'eslint-plugin-unused-imports';

const compat = new FlatCompat({
baseDirectory: dirname(fileURLToPath(import.meta.url)),
recommendedConfig: js.configs.recommended,
});

const eslintConfig = [
{
ignores: ['node_modules/**', '.next/**', 'out/**', 'build/**', 'next-env.d.ts'],
},
...compat.extends('eslint:recommended'),
...nextCoreWebVitals,
...nextTypescript,
...compat.extends('plugin:switch-case/recommended'),
...compat.extends('plugin:import/recommended'),
...compat.extends('prettier'),
{
plugins: {
'@stylistic': stylistic,
perfectionist,
'switch-case': switchCase,
'unused-imports': unusedImports,
},
rules: {
'@typescript-eslint/consistent-type-imports': 'error',
'arrow-body-style': ['error', 'always'],
curly: 'error',
'func-style': ['error', 'declaration', { allowTypeAnnotation: true }],
'import/no-duplicates': 'error',
'import/no-named-as-default': 'off',
'import/order': 'off',
'max-len': 'off',
'no-undef': 'off',
'no-useless-rename': 'error',
'object-shorthand': 'error',
'react/react-in-jsx-scope': 'off',
'switch-case/newline-between-switch-case': ['error', 'always', { fallthrough: 'never' }],
'switch-case/no-case-curly': 'off',

'@stylistic/jsx-curly-brace-presence': [
'error',
{ children: 'never', propElementValues: 'always', props: 'never' },
],

'@typescript-eslint/no-unused-vars': [
'error',
{
argsIgnorePattern: '^_',
caughtErrors: 'none',
varsIgnorePattern: '^_',
},
],

'no-console': [
'warn',
{
allow: ['info', 'warn', 'error'],
},
],

'padding-line-between-statements': [
'error',
{ blankLine: 'always', next: 'return', prev: '*' },
{ blankLine: 'always', next: 'block-like', prev: '*' },
{ blankLine: 'always', next: 'block', prev: '*' },
{ blankLine: 'always', next: '*', prev: 'block-like' },
{ blankLine: 'always', next: '*', prev: 'block' },
],

'perfectionist/sort-exports': [
'error',
{
ignoreCase: true,
order: 'asc',
type: 'alphabetical',
},
],

'perfectionist/sort-imports': [
'error',
{
ignoreCase: true,
newlinesBetween: 'never',
order: 'asc',
tsconfigRootDir: '.',
type: 'alphabetical',
groups: [
'builtin',
{ newlinesBetween: 'always' },
'external',
{ newlinesBetween: 'always' },
'internal',
{ newlinesBetween: 'always' },
'parent',
{ newlinesBetween: 'always' },
['index', 'sibling'],
],
},
],

'perfectionist/sort-jsx-props': [
'error',
{
type: 'line-length',
},
],

'perfectionist/sort-named-imports': [
'error',
{
type: 'line-length',
},
],

'perfectionist/sort-object-types': [
'error',
{
groups: ['unknown', 'method', 'multiline-member'],
},
],

'perfectionist/sort-objects': [
'error',
{
groups: ['unknown', 'method', 'multiline-member'],
},
],

'react/boolean-prop-naming': [
'error',
{
propTypeNames: ['bool', 'mutuallyExclusiveTrueProps'],
rule: '^(is|as|has|show)[A-Z]([A-Za-z0-9]?)+',
},
],
},

settings: {
'import/resolver': {
typescript: {
project: './tsconfig.json',
import { defineConfig, globalIgnores } from 'eslint/config';
import tseslint from 'typescript-eslint';

export default defineConfig(
[
globalIgnores(['.next/**/*']),
{
extends: [js.configs.recommended, tseslint.configs.recommended, switchCase.configs.recommended],
files: ['*.mjs', 'src/**/*.{ts,tsx}'],
languageOptions: {
parserOptions: {
projectService: true,
},
},
plugins: {
'@stylistic': stylistic,
js,
perfectionist,
'switch-case': switchCase,
'unused-imports': unusedImports,
},
rules: {
'@typescript-eslint/consistent-type-imports': 'error',
'arrow-body-style': ['error', 'always'],
curly: 'error',
'func-style': ['error', 'declaration', { allowTypeAnnotation: true }],
'max-len': 'off',
'no-undef': 'off',
'no-useless-rename': 'error',
'object-shorthand': 'error',
'switch-case/newline-between-switch-case': ['error', 'always', { fallthrough: 'never' }],
'switch-case/no-case-curly': 'off',
'unused-imports/no-unused-imports': 'error',

'@stylistic/jsx-curly-brace-presence': [
'error',
{ children: 'never', propElementValues: 'always', props: 'never' },
],

'@typescript-eslint/no-unused-vars': [
'error',
{
argsIgnorePattern: '^_',
caughtErrors: 'none',
varsIgnorePattern: '^_',
},
],

'no-console': [
'warn',
{
allow: ['info', 'warn', 'error'],
},
],

'padding-line-between-statements': [
'error',
{ blankLine: 'always', next: 'return', prev: '*' },
{ blankLine: 'always', next: 'block-like', prev: '*' },
{ blankLine: 'always', next: 'block', prev: '*' },
{ blankLine: 'always', next: '*', prev: 'block-like' },
{ blankLine: 'always', next: '*', prev: 'block' },
],

'perfectionist/sort-exports': [
'error',
{
ignoreCase: true,
order: 'asc',
type: 'alphabetical',
},
],

'perfectionist/sort-imports': [
'error',
{
ignoreCase: true,
newlinesBetween: 1,
order: 'asc',
type: 'alphabetical',
groups: [
'builtin',
{ newlinesBetween: 1 },
'external',
{ newlinesBetween: 1 },
'internal',
{ newlinesBetween: 1 },
'parent',
{ newlinesBetween: 1 },
['index', 'sibling'],
],
},
],

'perfectionist/sort-jsx-props': [
'error',
{
type: 'line-length',
},
],

'perfectionist/sort-named-imports': [
'error',
{
type: 'line-length',
},
],

'perfectionist/sort-object-types': [
'error',
{
groups: ['unknown', 'method', 'multiline-member'],
},
],

'perfectionist/sort-objects': [
'error',
{
groups: ['unknown', 'method', 'multiline-member'],
},
],
},
},
},
];

export default eslintConfig;
],
eslintConfigPrettier
);
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