Change ESLint config

[arthur-fontaine]

• Remove the current .eslintrc.js.
• Add a new eslint.config.mjs
• Copy ESLint config (see below) (you will need to install missing dependencies)
• Add eslint-plugin-use-encapsulation
• In .vscode/settings.json, add "eslint.experimental.useFlatConfig": true
• Fix errors (you may fix a lot off errors by running pnpm lint:fix)

ESLint config to copy

import antfu, { pluginPerfectionist, pluginTs } from '@antfu/eslint-config'
import filenamePlugin from 'eslint-plugin-filename-rules'
import fpPlugin from 'eslint-plugin-fp'

export default antfu(
  {
    rules: {
      ...pluginPerfectionist.configs['recommended-natural'].rules,
      'perfectionist/sort-imports': 'off',
      'style/indent': ['error', 2, {
        flatTernaryExpressions: true,
      }],
      'style/max-len': ['error', {
        code: 80,
        comments: 120,
        ignoreStrings: true,
        ignoreTemplateLiterals: true,
        ignoreTrailingComments: true,
        ignoreUrls: true,
        tabWidth: 2,
      }],
      'style/multiline-ternary': 'off',
    },
    stylistic: true,
  },
  {
    plugins: {
      ts: pluginTs,
    },
    rules: {
      'ts/naming-convention': 'error',
      'ts/no-import-type-side-effects': 'error',
      'ts/no-use-before-define': 'off',
    },
  },
  {
    plugins: {
      'filename-rules': filenamePlugin,
      'fp': fpPlugin,
    },
    rules: {
      'curly': ['error', 'all'],

      'filename-rules/not-match': [2, /(^index\..*)/],

      'fp/no-throw': 'error',

      'import/no-default-export': ['error'],

      'ts/no-explicit-any': ['error'],
      'unicorn/filename-case': [
        'error',
        {
          case: 'kebabCase',
        },
      ],
      'unicorn/switch-case-braces': ['error'],
    },
  },
  {
    files: ['**/*.config.*'],
    rules: {
      'import/no-default-export': 'off',
    },
  },
  {
    ignores: ['**/__generated__/**', '**/*.config.*'],
  },
)