chore: add data attribute

eslint.config.cjs

@@ -0,0 +1,47 @@
+module.exports = {
+	env: {
+		es6: true,
+		node: true,
+		browser: true,
+	},
+	extends: ['eslint:recommended', 'plugin:prettier/recommended', 'plugin:astro/recommended'],
+	plugins: ['prettier', 'astro'],
+	parser: '@typescript-eslint/parser',
+	parserOptions: {
+		sourceType: 'module',
+		project: './tsconfig.json',
+		extraFileExtensions: ['.astro'],
+	},
+	rules: {
+		'prettier/prettier': 'error',
+	},
+	ignorePatterns: ['public/assets/scripts/'],
+	overrides: [
+		{
+			files: ['*.astro'],
+			parser: 'astro-eslint-parser',
+			parserOptions: {
+				parser: '@typescript-eslint/parser',
+				extraFileExtensions: ['.astro'],
+				sourceType: 'module',
+			},
+			rules: {
+				'astro/no-conflict-set-directives': 'error',
+				'astro/no-unused-define-vars-in-style': 'error',
+			},
+		},
+		{
+			files: ['**/*.astro/*.js', '*.astro/*.js'],
+			env: {
+				browser: true,
+				es2020: true,
+			},
+			parserOptions: {
+				sourceType: 'module',
+			},
+			rules: {
+				'prettier/prettier': 'off',
+			},
+		},
+	],
+};