.eslintrc.cjs

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'],
	},
	overrides: [
		{
			files: ['*.svelte'],
			parser: 'svelte-eslint-parser',
			parserOptions: {
				parser: {
					// Specify a parser for each lang.
					ts: '@typescript-eslint/parser',
					js: 'espree',
					typescript: '@typescript-eslint/parser',
				},
			},
		},
	],
	env: {
		browser: true,
		es2017: true,
		node: true,
	},
	rules: {
		'no-undef': 'off',
		// no-undef has been turned off because of this:
		// basically, it causes issues and TS does those checks so it's redundant
		// https://typescript-eslint.io/linting/troubleshooting#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
		'@typescript-eslint/no-unused-vars': [
			'error',
			{
				varsIgnorePattern: '^_',
				argsIgnorePattern: '^_',
			},
		],
	},
};