.eslintrc.js

module.exports = {
	env: {
		node: true,
		es2022: true,
		browser: true,
	},
	extends: [
		"eslint:recommended",
		"plugin:astro/recommended",
		"plugin:astro/jsx-a11y-strict",
	],
	parserOptions: {
		ecmaVersion: "latest",
		sourceType: "module",
	},
	rules: {},
	overrides: [
		{
			files: ["*.js"],
			rules: {
				"no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
			},
		},
		{
			files: ["*.astro"],
			parser: "astro-eslint-parser",
			parserOptions: {
				parser: "@typescript-eslint/parser",
				extraFileExtensions: [".astro"],
			},
			rules: {
				"no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
			},
		},
		{
			files: ["*.ts"],
			parser: "@typescript-eslint/parser",
			extends: ["plugin:@typescript-eslint/recommended"],
			rules: {
				"@typescript-eslint/no-unused-vars": [
					"error",
					{ argsIgnorePattern: "^_", destructuredArrayIgnorePattern: "^_" },
				],
				"@typescript-eslint/no-non-null-assertion": "off",
			},
		},
		{
			files: ["**/*.astro/*.js", "*.astro/*.js"],
			parser: "@typescript-eslint/parser",
		},
	],
};