.eslintrc.cjs

/** @type { import("eslint").Linter.Config } */
module.exports = {
	root: true,
	extends: [
		'eslint:recommended',
		'plugin:@typescript-eslint/recommended',
		'plugin:svelte/recommended',
		'prettier'
	],
	parser: '@typescript-eslint/parser',
	plugins: ['@typescript-eslint'],
	parserOptions: {
		sourceType: 'module',
		ecmaVersion: 2020,
		extraFileExtensions: ['.svelte']
	},
	env: {
		browser: true,
		es2017: true,
		node: true
	},
	overrides: [
		{
			files: ['*.svelte'],
			parser: 'svelte-eslint-parser',
			parserOptions: {
				parser: '@typescript-eslint/parser'
			}
		},
		{
			files: ['*.svelte'],
			rules: {
				'constructor-super': 'off', // ts(2335) & ts(2377)
				'getter-return': 'off', // ts(2378)
				'no-const-assign': 'off', // ts(2588)
				'no-dupe-args': 'off', // ts(2300)
				'no-dupe-class-members': 'off', // ts(2393) & ts(2300)
				'no-dupe-keys': 'off', // ts(1117)
				'no-func-assign': 'off', // ts(2630)
				'no-import-assign': 'off', // ts(2632) & ts(2540)
				'no-new-symbol': 'off', // ts(7009)
				'no-obj-calls': 'off', // ts(2349)
				'no-redeclare': 'off', // ts(2451)
				'no-setter-return': 'off', // ts(2408)
				'no-this-before-super': 'off', // ts(2376) & ts(17009)
				'no-undef': 'off', // ts(2304) & ts(2552)
				'no-unreachable': 'off', // ts(7027)
				'no-unsafe-negation': 'off', // ts(2365) & ts(2322) & ts(2358)
				'no-var': 'error', // ts transpiles let/const to var, so no need for vars any more
				'prefer-const': 'error', // ts provides better types with const
				'prefer-rest-params': 'error', // ts provides better types with rest args over arguments
				'prefer-spread': 'error' // ts transpiles spread to apply, so no need for manual apply
			}
		}
	]
};