diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..3fb669e
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,12 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+
+[*.{js,json}]
+indent_style = tab
+indent_size = tab
+tab_width = 4
+trim_trailing_whitespace = true
diff --git a/.github/workflows/eslint.yaml b/.github/workflows/eslint.yaml
new file mode 100644
index 0000000..7044d24
--- /dev/null
+++ b/.github/workflows/eslint.yaml
@@ -0,0 +1,25 @@
+name: ESLint
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v7
+
+      - uses: actions/setup-node@v7
+        with:
+          node-version: "24"
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run ESLint
+        timeout-minutes: 5
+        run: npm run format:check
diff --git a/.prettierrc.json b/.prettierrc.json
deleted file mode 100644
index a0f78c6..0000000
--- a/.prettierrc.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-	"useTabs": true,
-	"tabWidth": 1,
-	"semi": true,
-	"singleQuote": true,
-	"trailingComma": "none",
-	"bracketSpacing": false,
-	"arrowParens": "avoid"
-}
diff --git a/Syntax.js b/Syntax.js
index 7d41375..b3a1b5d 100644
--- a/Syntax.js
+++ b/Syntax.js
@@ -237,12 +237,12 @@ export class Syntax {
 		} catch (error) {
 			throw new LanguageLoadError(name, path, {cause: error});
 		}
-		
+
 		// If the module exports a register function, call it with this instance
 		if (typeof module.default === 'function') {
 			module.default(this);
 		}
-		
+
 		// After calling register, aliases have been registered. Re-resolve the name:
 		let resolvedName = this.#aliases[name] || name;
 		return loader.get(resolvedName);
diff --git a/Syntax/CodeElement.js b/Syntax/CodeElement.js
index 57c5176..4c8de1e 100644
--- a/Syntax/CodeElement.js
+++ b/Syntax/CodeElement.js
@@ -83,7 +83,7 @@ export class CodeElement extends HTMLElement {
 
 	constructor() {
 		super();
-		
+
 		/**
 		 * A promise that resolves when the current highlighting attempt completes.
 		 * Check `highlighted` before using line measurement APIs.
@@ -150,26 +150,26 @@ export class CodeElement extends HTMLElement {
 	 */
 	getLineBoundingClientRect(lineNumber) {
 		if (!this.#shadow) return null;
-		
+
 		const code = this.#shadow.querySelector('code');
 		if (!code) return null;
-		
+
 		const lines = code.children;
 		if (lineNumber < 1 || lineNumber > lines.length) return null;
-		
+
 		return lines[lineNumber - 1].getBoundingClientRect();
 	}
-	
+
 	/**
 	 * Get the total number of rendered lines.
 	 * @returns {number} The line count, or 0 if not yet rendered.
 	 */
 	get lineCount() {
 		if (!this.#shadow) return 0;
-		
+
 		const code = this.#shadow.querySelector('code');
 		if (!code) return 0;
-		
+
 		return code.children.length;
 	}
 
@@ -180,7 +180,7 @@ export class CodeElement extends HTMLElement {
 	get highlighted() {
 		return this.#highlighted;
 	}
-	
+
 	connectedCallback() {
 		// Detect if we're inside a <pre> element and set wrap attribute
 		if (this.parentElement?.tagName === 'PRE') {
diff --git a/Syntax/Rule.js b/Syntax/Rule.js
index 65619b6..35dd553 100644
--- a/Syntax/Rule.js
+++ b/Syntax/Rule.js
@@ -134,14 +134,14 @@ export class Rule {
 	 * Create a conditional matcher that selects a rule based on another capture group.
 	 * Tests a condition capture group against patterns to determine which rule to apply
 	 * to a content capture group.
-	 * 
+	 *
 	 * @param {number} conditionIndex - Capture group index to test against patterns
 	 * @param {number} contentIndex - Capture group index containing content to match
 	 * @param {Array<{pattern?: RegExp, ...rule}>} conditions - Array of condition objects. Each can have:
 	 *   - pattern: RegExp to test against the condition group (optional - if omitted, acts as fallback)
 	 *   - Any rule properties (language, type, etc.) to apply when pattern matches
 	 * @returns {Function} A matches function for use in language rules
-	 * 
+	 *
 	 * @example
 	 * // Script tags with type-based language selection
 	 * language.push({
@@ -152,7 +152,7 @@ export class Rule {
 	 *     {language: 'javascript'} // Fallback for no type or unknown types
 	 *   ])
 	 * });
-	 * 
+	 *
 	 * @example
 	 * // Code fence with language specifier
 	 * language.push({
@@ -163,7 +163,7 @@ export class Rule {
 	 *     {language: 'plaintext'} // Fallback
 	 *   ])
 	 * });
-	 * 
+	 *
 	 * @example
 	 * // Conditional type based on prefix
 	 * language.push({
@@ -201,7 +201,7 @@ export class Rule {
 
 			// Build syntax tree or create match based on rule properties
 			const offset = match.index + match[0].indexOf(content);
-			
+
 			if (ruleProps.language) {
 				return [
 					await Language.buildTree(
diff --git a/bin/syntax-ast.js b/bin/syntax-ast.js
index 9a55889..e89bcec 100755
--- a/bin/syntax-ast.js
+++ b/bin/syntax-ast.js
@@ -4,26 +4,26 @@ import Syntax from '../Syntax.js';
 
 async function main() {
 	const args = process.argv.slice(2);
-	
+
 	if (args.length < 2) {
 		console.error('Usage: syntax-ast <language> <code>');
 		console.error('Example: syntax-ast javascript "const x = 1;"');
 		process.exit(1);
 	}
-	
+
 	const [languageName, code] = args;
-	
+
 	const syntax = new Syntax();
-	
+
 	try {
 		const language = await syntax.getLanguage(languageName);
 		const matches = await language.getMatches(syntax, code);
-		
+
 		console.log('Language:', languageName);
 		console.log('Code:', JSON.stringify(code));
 		console.log('\nMatches:', matches.length);
 		console.log('─'.repeat(80));
-		
+
 		for (const match of matches) {
 			const text = code.substring(match.offset, match.offset + match.length);
 			console.log(`[${match.type}] @${match.offset}..${match.offset + match.length} (${match.length} chars)`);
@@ -32,7 +32,7 @@ async function main() {
 				console.log(`  Children: ${match.children.length}`);
 			}
 		}
-		
+
 	} catch (error) {
 		console.error('Error:', error.message);
 		process.exit(1);
diff --git a/eslint.config.js b/eslint.config.js
new file mode 100644
index 0000000..647141c
--- /dev/null
+++ b/eslint.config.js
@@ -0,0 +1,44 @@
+import stylistic from '@stylistic/eslint-plugin';
+
+export default [
+	{
+		plugins: {
+			'@stylistic': stylistic
+		},
+		rules: {
+			'@stylistic/array-bracket-spacing': ['error', 'never'],
+			'@stylistic/arrow-parens': ['error', 'as-needed'],
+			'@stylistic/arrow-spacing': 'error',
+			'@stylistic/block-spacing': ['error', 'always'],
+			'@stylistic/brace-style': [
+				'error',
+				'1tbs',
+				{allowSingleLine: true}
+			],
+			'@stylistic/comma-dangle': ['error', 'never'],
+			'@stylistic/comma-spacing': 'error',
+			'@stylistic/computed-property-spacing': ['error', 'never'],
+			'@stylistic/eol-last': ['error', 'always'],
+			'@stylistic/function-call-spacing': ['error', 'never'],
+			'@stylistic/indent': ['error', 'tab', {SwitchCase: 1}],
+			'@stylistic/key-spacing': 'error',
+			'@stylistic/keyword-spacing': 'error',
+			'@stylistic/no-mixed-spaces-and-tabs': 'error',
+			'@stylistic/no-trailing-spaces': 'error',
+			'@stylistic/object-curly-spacing': ['error', 'never'],
+			'@stylistic/quotes': ['error', 'single', {avoidEscape: true}],
+			'@stylistic/rest-spread-spacing': ['error', 'never'],
+			'@stylistic/semi': ['error', 'always'],
+			'@stylistic/semi-spacing': 'error',
+			'@stylistic/space-before-blocks': 'error',
+			'@stylistic/space-before-function-paren': [
+				'error',
+				{anonymous: 'always', asyncArrow: 'always', named: 'never'}
+			],
+			'@stylistic/space-in-parens': ['error', 'never'],
+			'@stylistic/space-infix-ops': 'error',
+			'@stylistic/space-unary-ops': 'error',
+			'@stylistic/template-curly-spacing': ['error', 'never']
+		}
+	}
+];
diff --git a/package-lock.json b/package-lock.json
index bd4d0a2..94b779a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,8 +9,9 @@
 			"version": "0.4.0",
 			"license": "MIT",
 			"devDependencies": {
-				"jsdom": "^25.0.0",
-				"prettier": "^3.6.2"
+				"@stylistic/eslint-plugin": "^5.10.0",
+				"eslint": "^10.8.1",
+				"jsdom": "^25.0.0"
 			}
 		},
 		"node_modules/@asamuzakjp/css-color": {
@@ -115,7 +116,6 @@
 				}
 			],
 			"license": "MIT",
-			"peer": true,
 			"engines": {
 				"node": ">=18"
 			},
@@ -139,11 +139,262 @@
 				}
 			],
 			"license": "MIT",
-			"peer": true,
 			"engines": {
 				"node": ">=18"
 			}
 		},
+		"node_modules/@eslint-community/eslint-utils": {
+			"version": "4.10.1",
+			"resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.10.1.tgz",
+			"integrity": "sha512-cuadcxVFE8sDK6iWJbs8Sn0av2Nrh2QSGQhVlBW9AaAHqHwjWsZHT8LJ4hFGPh7ASBV2deFdM7H/DPjulmh8rg==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"eslint-visitor-keys": "^3.4.3"
+			},
+			"engines": {
+				"node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+			},
+			"funding": {
+				"url": "https://opencollective.com/eslint"
+			},
+			"peerDependencies": {
+				"eslint": "^6.0.0 || ^7.0.0 || >=8.0.0"
+			}
+		},
+		"node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys": {
+			"version": "3.4.3",
+			"resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-3.4.3.tgz",
+			"integrity": "sha512-wpc+LXeiyiisxPlEkUzU6svyS1frIO3Mgxj1fdy7Pm8Ygzguax2N3Fa/D/ag1WqbOprdI+uY6wMUl8/a2G+iag==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"engines": {
+				"node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+			},
+			"funding": {
+				"url": "https://opencollective.com/eslint"
+			}
+		},
+		"node_modules/@eslint-community/regexpp": {
+			"version": "4.12.2",
+			"resolved": "https://registry.npmjs.org/@eslint-community/regexpp/-/regexpp-4.12.2.tgz",
+			"integrity": "sha512-EriSTlt5OC9/7SXkRSCAhfSxxoSUgBm33OH+IkwbdpgoqsSsUg7y3uh+IICI/Qg4BBWr3U2i39RpmycbxMq4ew==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": "^12.0.0 || ^14.0.0 || >=16.0.0"
+			}
+		},
+		"node_modules/@eslint/config-array": {
+			"version": "0.23.5",
+			"resolved": "https://registry.npmjs.org/@eslint/config-array/-/config-array-0.23.5.tgz",
+			"integrity": "sha512-Y3kKLvC1dvTOT+oGlqNQ1XLqK6D1HU2YXPc52NmAlJZbMMWDzGYXMiPRJ8TYD39muD/OTjlZmNJ4ib7dvSrMBA==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"dependencies": {
+				"@eslint/object-schema": "^3.0.5",
+				"debug": "^4.3.1",
+				"minimatch": "^10.2.4"
+			},
+			"engines": {
+				"node": "^20.19.0 || ^22.13.0 || >=24"
+			}
+		},
+		"node_modules/@eslint/config-helpers": {
+			"version": "0.7.0",
+			"resolved": "https://registry.npmjs.org/@eslint/config-helpers/-/config-helpers-0.7.0.tgz",
+			"integrity": "sha512-DObd/KKUsU+FaFv4PLxSRenpXfQWmPXXP3pPZ6/K1PCrMu2vQpMDMuQe/BqYeoLcz8ro0bVDF1RxOJgfVEdhUw==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"dependencies": {
+				"@eslint/core": "^1.2.1"
+			},
+			"engines": {
+				"node": "^20.19.0 || ^22.13.0 || >=24"
+			}
+		},
+		"node_modules/@eslint/core": {
+			"version": "1.2.1",
+			"resolved": "https://registry.npmjs.org/@eslint/core/-/core-1.2.1.tgz",
+			"integrity": "sha512-MwcE1P+AZ4C6DWlpin/OmOA54mmIZ/+xZuJiQd4SyB29oAJjN30UW9wkKNptW2ctp4cEsvhlLY/CsQ1uoHDloQ==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"dependencies": {
+				"@types/json-schema": "^7.0.15"
+			},
+			"engines": {
+				"node": "^20.19.0 || ^22.13.0 || >=24"
+			}
+		},
+		"node_modules/@eslint/object-schema": {
+			"version": "3.0.5",
+			"resolved": "https://registry.npmjs.org/@eslint/object-schema/-/object-schema-3.0.5.tgz",
+			"integrity": "sha512-vqTaUEgxzm+YDSdElad6PiRoX4t8VGDjCtt05zn4nU810UIx/uNEV7/lZJ6KwFThKZOzOxzXy48da+No7HZaMw==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"engines": {
+				"node": "^20.19.0 || ^22.13.0 || >=24"
+			}
+		},
+		"node_modules/@eslint/plugin-kit": {
+			"version": "0.7.2",
+			"resolved": "https://registry.npmjs.org/@eslint/plugin-kit/-/plugin-kit-0.7.2.tgz",
+			"integrity": "sha512-+CNAzxglkrpNf/kKywqQfk74QjtceuOE7Qm+AF8miRvPF/wmmK5+OJOgVh3AVTT3RP2mH3+FOaxlE5v72owk0A==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"dependencies": {
+				"@eslint/core": "^1.2.1",
+				"levn": "^0.4.1"
+			},
+			"engines": {
+				"node": "^20.19.0 || ^22.13.0 || >=24"
+			}
+		},
+		"node_modules/@humanfs/core": {
+			"version": "0.19.2",
+			"resolved": "https://registry.npmjs.org/@humanfs/core/-/core-0.19.2.tgz",
+			"integrity": "sha512-UhXNm+CFMWcbChXywFwkmhqjs3PRCmcSa/hfBgLIb7oQ5HNb1wS0icWsGtSAUNgefHeI+eBrA8I1fxmbHsGdvA==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"dependencies": {
+				"@humanfs/types": "^0.15.0"
+			},
+			"engines": {
+				"node": ">=18.18.0"
+			}
+		},
+		"node_modules/@humanfs/node": {
+			"version": "0.16.8",
+			"resolved": "https://registry.npmjs.org/@humanfs/node/-/node-0.16.8.tgz",
+			"integrity": "sha512-gE1eQNZ3R++kTzFUpdGlpmy8kDZD/MLyHqDwqjkVQI0JMdI1D51sy1H958PNXYkM2rAac7e5/CnIKZrHtPh3BQ==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"dependencies": {
+				"@humanfs/core": "^0.19.2",
+				"@humanfs/types": "^0.15.0",
+				"@humanwhocodes/retry": "^0.4.0"
+			},
+			"engines": {
+				"node": ">=18.18.0"
+			}
+		},
+		"node_modules/@humanfs/types": {
+			"version": "0.15.0",
+			"resolved": "https://registry.npmjs.org/@humanfs/types/-/types-0.15.0.tgz",
+			"integrity": "sha512-ZZ1w0aoQkwuUuC7Yf+7sdeaNfqQiiLcSRbfI08oAxqLtpXQr9AIVX7Ay7HLDuiLYAaFPu8oBYNq/QIi9URHJ3Q==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"engines": {
+				"node": ">=18.18.0"
+			}
+		},
+		"node_modules/@humanwhocodes/module-importer": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/@humanwhocodes/module-importer/-/module-importer-1.0.1.tgz",
+			"integrity": "sha512-bxveV4V8v5Yb4ncFTT3rPSgZBOpCkjfK0y4oVVVJwIuDVBRMDXrPyXRL988i5ap9m9bnyEEjWfm5WkBmtffLfA==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"engines": {
+				"node": ">=12.22"
+			},
+			"funding": {
+				"type": "github",
+				"url": "https://github.com/sponsors/nzakas"
+			}
+		},
+		"node_modules/@humanwhocodes/retry": {
+			"version": "0.4.3",
+			"resolved": "https://registry.npmjs.org/@humanwhocodes/retry/-/retry-0.4.3.tgz",
+			"integrity": "sha512-bV0Tgo9K4hfPCek+aMAn81RppFKv2ySDQeMoSZuvTASywNTnVJCArCZE2FWqpvIatKu7VMRLWlR1EazvVhDyhQ==",
+			"dev": true,
+			"license": "Apache-2.0",
+			"engines": {
+				"node": ">=18.18"
+			},
+			"funding": {
+				"type": "github",
+				"url": "https://github.com/sponsors/nzakas"
+			}
+		},
+		"node_modules/@stylistic/eslint-plugin": {
+			"version": "5.10.0",
+			"resolved": "https://registry.npmjs.org/@stylistic/eslint-plugin/-/eslint-plugin-5.10.0.tgz",
+			"integrity": "sha512-nPK52ZHvot8Ju/0A4ucSX1dcPV2/1clx0kLcH5wDmrE4naKso7TUC/voUyU1O9OTKTrR6MYip6LP0ogEMQ9jPQ==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"@eslint-community/eslint-utils": "^4.9.1",
+				"@typescript-eslint/types": "^8.56.0",
+				"eslint-visitor-keys": "^4.2.1",
+				"espree": "^10.4.0",
+				"estraverse": "^5.3.0",
+				"picomatch": "^4.0.3"
+			},
+			"engines": {
+				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+			},
+			"peerDependencies": {
+				"eslint": "^9.0.0 || ^10.0.0"
+			}
+		},
+		"node_modules/@types/esrecurse": {
+			"version": "4.3.1",
+			"resolved": "https://registry.npmjs.org/@types/esrecurse/-/esrecurse-4.3.1.tgz",
+			"integrity": "sha512-xJBAbDifo5hpffDBuHl0Y8ywswbiAp/Wi7Y/GtAgSlZyIABppyurxVueOPE8LUQOxdlgi6Zqce7uoEpqNTeiUw==",
+			"dev": true,
+			"license": "MIT"
+		},
+		"node_modules/@types/estree": {
+			"version": "1.0.9",
+			"resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.9.tgz",
+			"integrity": "sha512-GhdPgy1el4/ImP05X05Uw4cw2/M93BCUmnEvWZNStlCzEKME4Fkk+YpoA5OiHNQmoS7Cafb8Xa3Pya8m1Qrzeg==",
+			"dev": true,
+			"license": "MIT"
+		},
+		"node_modules/@types/json-schema": {
+			"version": "7.0.15",
+			"resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
+			"integrity": "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==",
+			"dev": true,
+			"license": "MIT"
+		},
+		"node_modules/@typescript-eslint/types": {
+			"version": "8.67.0",
+			"resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.67.0.tgz",
+			"integrity": "sha512-sBtgslww8nsMYUjhdPBiSyUqSzT8uR6g93A2QXnQC8+cGdjz0CyaOdqHDRJb1AtORbZCNUJBBeFA/tNR2uQmww==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+			},
+			"funding": {
+				"type": "opencollective",
+				"url": "https://opencollective.com/typescript-eslint"
+			}
+		},
+		"node_modules/acorn": {
+			"version": "8.18.0",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-8.18.0.tgz",
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+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
+			"integrity": "sha512-SbKbANkN603Vi4jEZv49LeVJMn4yGwsbzZworEoyEiutsN3nJYdbO36zfhGJ6QEDpOZIFkDtnq5JRxmvl3jsoQ==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": ">=0.10.0"
+			}
+		},
+		"node_modules/is-glob": {
+			"version": "4.0.3",
+			"resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz",
+			"integrity": "sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"is-extglob": "^2.1.1"
+			},
+			"engines": {
+				"node": ">=0.10.0"
+			}
+		},
 		"node_modules/is-potential-custom-element-name": {
 			"version": "1.0.1",
 			"resolved": "https://registry.npmjs.org/is-potential-custom-element-name/-/is-potential-custom-element-name-1.0.1.tgz",
@@ -517,6 +1157,13 @@
 			"dev": true,
 			"license": "MIT"
 		},
+		"node_modules/isexe": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
+			"integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
+			"dev": true,
+			"license": "ISC"
+		},
 		"node_modules/jsdom": {
 			"version": "25.0.1",
 			"resolved": "https://registry.npmjs.org/jsdom/-/jsdom-25.0.1.tgz",
@@ -558,6 +1205,67 @@
 				}
 			}
 		},
+		"node_modules/json-buffer": {
+			"version": "3.0.1",
+			"resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.1.tgz",
+			"integrity": "sha512-4bV5BfR2mqfQTJm+V5tPPdf+ZpuhiIvTuAB5g8kcrXOZpTT/QwwVRWBywX1ozr6lEuPdbHxwaJlm9G6mI2sfSQ==",
+			"dev": true,
+			"license": "MIT"
+		},
+		"node_modules/json-schema-traverse": {
+			"version": "0.4.1",
+			"resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+			"integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+			"dev": true,
+			"license": "MIT"
+		},
+		"node_modules/json-stable-stringify-without-jsonify": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz",
+			"integrity": "sha512-Bdboy+l7tA3OGW6FjyFHWkP5LuByj1Tk33Ljyq0axyzdk9//JSi2u3fP1QSmd1KNwq6VOKYGlAu87CisVir6Pw==",
+			"dev": true,
+			"license": "MIT"
+		},
+		"node_modules/keyv": {
+			"version": "4.5.4",
+			"resolved": "https://registry.npmjs.org/keyv/-/keyv-4.5.4.tgz",
+			"integrity": "sha512-oxVHkHR/EJf2CNXnWxRLW6mg7JyCCUcG0DtEGmL2ctUo1PNTin1PUil+r/+4r5MpVgC/fn1kjsx7mjSujKqIpw==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"json-buffer": "3.0.1"
+			}
+		},
+		"node_modules/levn": {
+			"version": "0.4.1",
+			"resolved": "https://registry.npmjs.org/levn/-/levn-0.4.1.tgz",
+			"integrity": "sha512-+bT2uH4E5LGE7h/n3evcS/sQlJXCpIp6ym8OWJ5eV6+67Dsql/LaaT7qJBAt2rzfoa/5QBGBhxDix1dMt2kQKQ==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"prelude-ls": "^1.2.1",
+				"type-check": "~0.4.0"
+			},
+			"engines": {
+				"node": ">= 0.8.0"
+			}
+		},
+		"node_modules/locate-path": {
+			"version": "6.0.0",
+			"resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
+			"integrity": "sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"p-locate": "^5.0.0"
+			},
+			"engines": {
+				"node": ">=10"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/sindresorhus"
+			}
+		},
 		"node_modules/lru-cache": {
 			"version": "10.4.3",
 			"resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
@@ -598,6 +1306,22 @@
 				"node": ">= 0.6"
 			}
 		},
+		"node_modules/minimatch": {
+			"version": "10.2.6",
+			"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-10.2.6.tgz",
+			"integrity": "sha512-vpLQEs+VLCr1nU0BXS07maYoFwlDAH0gngQuuttxIwutDFEMHq2blX+8vpgxDdK3J1PwjCJiep77OitTZ4Ll1A==",
+			"dev": true,
+			"license": "BlueOak-1.0.0",
+			"dependencies": {
+				"brace-expansion": "^5.0.8"
+			},
+			"engines": {
+				"node": "18 || 20 || >=22"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/isaacs"
+			}
+		},
 		"node_modules/ms": {
 			"version": "2.1.3",
 			"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -605,6 +1329,13 @@
 			"dev": true,
 			"license": "MIT"
 		},
+		"node_modules/natural-compare": {
+			"version": "1.4.0",
+			"resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
+			"integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==",
+			"dev": true,
+			"license": "MIT"
+		},
 		"node_modules/nwsapi": {
 			"version": "2.2.22",
 			"resolved": "https://registry.npmjs.org/nwsapi/-/nwsapi-2.2.22.tgz",
@@ -612,6 +1343,56 @@
 			"dev": true,
 			"license": "MIT"
 		},
+		"node_modules/optionator": {
+			"version": "0.9.4",
+			"resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",
+			"integrity": "sha512-6IpQ7mKUxRcZNLIObR0hz7lxsapSSIYNZJwXPGeF0mTVqGKFIXj1DQcMoT22S3ROcLyY/rz0PWaWZ9ayWmad9g==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"deep-is": "^0.1.3",
+				"fast-levenshtein": "^2.0.6",
+				"levn": "^0.4.1",
+				"prelude-ls": "^1.2.1",
+				"type-check": "^0.4.0",
+				"word-wrap": "^1.2.5"
+			},
+			"engines": {
+				"node": ">= 0.8.0"
+			}
+		},
+		"node_modules/p-limit": {
+			"version": "3.1.0",
+			"resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
+			"integrity": "sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"yocto-queue": "^0.1.0"
+			},
+			"engines": {
+				"node": ">=10"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/sindresorhus"
+			}
+		},
+		"node_modules/p-locate": {
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/p-locate/-/p-locate-5.0.0.tgz",
+			"integrity": "sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"p-limit": "^3.0.2"
+			},
+			"engines": {
+				"node": ">=10"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/sindresorhus"
+			}
+		},
 		"node_modules/parse5": {
 			"version": "7.3.0",
 			"resolved": "https://registry.npmjs.org/parse5/-/parse5-7.3.0.tgz",
@@ -625,20 +1406,47 @@
 				"url": "https://github.com/inikulin/parse5?sponsor=1"
 			}
 		},
-		"node_modules/prettier": {
-			"version": "3.6.2",
-			"resolved": "https://registry.npmjs.org/prettier/-/prettier-3.6.2.tgz",
-			"integrity": "sha512-I7AIg5boAr5R0FFtJ6rCfD+LFsWHp81dolrFD8S79U9tb8Az2nGrJncnMSnys+bpQJfRUzqs9hnA81OAA3hCuQ==",
+		"node_modules/path-exists": {
+			"version": "4.0.0",
+			"resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
+			"integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": ">=8"
+			}
+		},
+		"node_modules/path-key": {
+			"version": "3.1.1",
+			"resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
+			"integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
 			"dev": true,
 			"license": "MIT",
-			"bin": {
-				"prettier": "bin/prettier.cjs"
-			},
 			"engines": {
-				"node": ">=14"
+				"node": ">=8"
+			}
+		},
+		"node_modules/picomatch": {
+			"version": "4.0.5",
+			"resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.5.tgz",
+			"integrity": "sha512-RvwwcruNjI1ncT5xRakeyS9Lf8lcItv34KD+aif+VH9kduAyfYBipGh12274xtenIPZ119/R9BdTBa8gAwSh0A==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": ">=12"
 			},
 			"funding": {
-				"url": "https://github.com/prettier/prettier?sponsor=1"
+				"url": "https://github.com/sponsors/jonschlinkert"
+			}
+		},
+		"node_modules/prelude-ls": {
+			"version": "1.2.1",
+			"resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
+			"integrity": "sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": ">= 0.8.0"
 			}
 		},
 		"node_modules/punycode": {
@@ -678,6 +1486,29 @@
 				"node": ">=v12.22.7"
 			}
 		},
+		"node_modules/shebang-command": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
+			"integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"shebang-regex": "^3.0.0"
+			},
+			"engines": {
+				"node": ">=8"
+			}
+		},
+		"node_modules/shebang-regex": {
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
+			"integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": ">=8"
+			}
+		},
 		"node_modules/symbol-tree": {
 			"version": "3.2.4",
 			"resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.4.tgz",
@@ -731,6 +1562,29 @@
 				"node": ">=18"
 			}
 		},
+		"node_modules/type-check": {
+			"version": "0.4.0",
+			"resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
+			"integrity": "sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"prelude-ls": "^1.2.1"
+			},
+			"engines": {
+				"node": ">= 0.8.0"
+			}
+		},
+		"node_modules/uri-js": {
+			"version": "4.4.1",
+			"resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+			"integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
+			"dev": true,
+			"license": "BSD-2-Clause",
+			"dependencies": {
+				"punycode": "^2.1.0"
+			}
+		},
 		"node_modules/w3c-xmlserializer": {
 			"version": "5.0.0",
 			"resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-5.0.0.tgz",
@@ -791,6 +1645,32 @@
 				"node": ">=18"
 			}
 		},
+		"node_modules/which": {
+			"version": "2.0.2",
+			"resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+			"integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+			"dev": true,
+			"license": "ISC",
+			"dependencies": {
+				"isexe": "^2.0.0"
+			},
+			"bin": {
+				"node-which": "bin/node-which"
+			},
+			"engines": {
+				"node": ">= 8"
+			}
+		},
+		"node_modules/word-wrap": {
+			"version": "1.2.5",
+			"resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
+			"integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": ">=0.10.0"
+			}
+		},
 		"node_modules/ws": {
 			"version": "8.18.3",
 			"resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
@@ -829,6 +1709,19 @@
 			"integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
 			"dev": true,
 			"license": "MIT"
+		},
+		"node_modules/yocto-queue": {
+			"version": "0.1.0",
+			"resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+			"integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+			"dev": true,
+			"license": "MIT",
+			"engines": {
+				"node": ">=10"
+			},
+			"funding": {
+				"url": "https://github.com/sponsors/sindresorhus"
+			}
 		}
 	}
 }
diff --git a/package.json b/package.json
index 42c597b..68a0444 100644
--- a/package.json
+++ b/package.json
@@ -20,8 +20,8 @@
 	],
 	"scripts": {
 		"test": "node --test 'test/**/*.js'",
-		"format": "prettier --write '**/*.{js,json,md}'",
-		"format:check": "prettier --check '**/*.{js,json,md}'"
+		"format": "eslint . --fix",
+		"format:check": "eslint ."
 	},
 	"keywords": [
 		"syntax",
@@ -37,7 +37,8 @@
 		"url": "https://github.com/socketry/syntax-js.git"
 	},
 	"devDependencies": {
-		"jsdom": "^25.0.0",
-		"prettier": "^3.6.2"
+		"@stylistic/eslint-plugin": "^5.10.0",
+		"eslint": "^10.8.1",
+		"jsdom": "^25.0.0"
 	}
 }
diff --git a/test/Syntax/CodeElement.js b/test/Syntax/CodeElement.js
index 7c3efef..1ea90c3 100644
--- a/test/Syntax/CodeElement.js
+++ b/test/Syntax/CodeElement.js
@@ -202,7 +202,7 @@ test('upgradeAll handles <pre><code> blocks without double-nesting', async () =>
 		'const x = 1;',
 		'Code content should be preserved'
 	);
-	
+
 	// Verify wrap attribute is set (because it's inside <pre>)
 	// Note: This happens in connectedCallback, which may not fire in JSDOM
 	// We'll just verify structure for now
@@ -346,21 +346,21 @@ test('syntax-code behaves semantically like <code> when inline', async () => {
 	`;
 
 	const element = document.querySelector('syntax-code');
-	
+
 	// Wait for rendering to complete
 	await new Promise(resolve => setTimeout(resolve, 100));
 
 	// Verify it's inline (like <code>) by checking the shadow DOM structure
 	const shadowRoot = element.shadowRoot;
 	assert.ok(shadowRoot, 'Shadow root should exist');
-	
+
 	// Should contain a <code> element, not wrapped in <pre>
 	const codeElement = shadowRoot.querySelector('code');
 	assert.ok(codeElement, 'Shadow DOM should contain <code> element');
-	
+
 	const preElement = shadowRoot.querySelector('pre');
 	assert.equal(preElement, null, 'Shadow DOM should NOT contain <pre> wrapper for inline usage');
-	
+
 	// The code element should be a direct child of shadow root
 	assert.ok(
 		Array.from(shadowRoot.children).includes(codeElement),
@@ -379,18 +379,18 @@ test('syntax-code behaves as block when inside <pre>', async () => {
 	`;
 
 	const element = document.querySelector('syntax-code');
-	
+
 	// Wait for rendering to complete
 	await new Promise(resolve => setTimeout(resolve, 100));
 
 	// Check that wrap attribute was set (because it's inside <pre>)
 	assert.ok(element.hasAttribute('wrap'), 'wrap attribute should be set when inside <pre>');
-	
+
 	// After rendering, light DOM is cleared, so check shadow DOM
 	const shadowRoot = element.shadowRoot;
 	const codeElement = shadowRoot.querySelector('code');
 	assert.ok(codeElement, 'Shadow DOM should contain <code> element');
-	
+
 	// The <code> should be a direct child of shadow root (no <pre> wrapper needed inside)
 	assert.ok(
 		Array.from(shadowRoot.children).includes(codeElement),
diff --git a/test/Syntax/Language/markdown.js b/test/Syntax/Language/markdown.js
index 3c09c91..22260f9 100644
--- a/test/Syntax/Language/markdown.js
+++ b/test/Syntax/Language/markdown.js
@@ -31,10 +31,10 @@ test('Markdown can match headers', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '# Heading 1';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'heading', '# Heading 1');
 });
 
@@ -42,10 +42,10 @@ test('Markdown can match bold text', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '**bold text**';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'strong', '**bold text**');
 });
 
@@ -53,10 +53,10 @@ test('Markdown can match italic text', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '*italic text*';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'emphasis', '*italic text*');
 });
 
@@ -64,10 +64,10 @@ test('Markdown can match inline code', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '`code here`';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'code', '`code here`');
 });
 
@@ -75,10 +75,10 @@ test('Markdown can match code blocks', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '```javascript\nconst x = 1;\n```';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'code', '```javascript\nconst x = 1;\n```');
 });
 
@@ -86,10 +86,10 @@ test('Markdown can match links', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '[text](http://example.com)';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	// Should match the link text and URL as separate tokens
 	assertToken(code, matches, 'string', 'text');
 	assertToken(code, matches, 'link', 'http://example.com');
@@ -99,10 +99,10 @@ test('Markdown can match images', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '![alt text](image.png)';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'link', '![alt text](image.png)');
 });
 
@@ -110,10 +110,10 @@ test('Markdown can match blockquotes', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '> This is a quote';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'quote', '> This is a quote');
 });
 
@@ -121,10 +121,10 @@ test('Markdown can match unordered lists', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '- List item';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'list-marker', '- ');
 });
 
@@ -132,10 +132,10 @@ test('Markdown can match ordered lists', async () => {
 	const syntax = new Syntax();
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
-	
+
 	const code = '1. List item';
 	const matches = await language.getMatches(syntax, code);
-	
+
 	assertToken(code, matches, 'list-marker', '1. ');
 });
 
@@ -144,7 +144,7 @@ test('Markdown: fenced block followed by inline code does not merge', async () =
 	registerMarkdown(syntax);
 	const language = await syntax.getLanguage('markdown');
 
-	const code = "```\nfoo\n```\n\n`project`";
+	const code = '```\nfoo\n```\n\n`project`';
 	const matches = await language.getMatches(syntax, code);
 
 	// Expect a fenced code block token:
diff --git a/update-examples.js b/update-examples.js
index 958d94b..6c21c14 100755
--- a/update-examples.js
+++ b/update-examples.js
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
-import { readFileSync, writeFileSync, readdirSync } from 'fs';
-import { join } from 'path';
+import {readFileSync, writeFileSync, readdirSync} from 'fs';
+import {join} from 'path';
 
 const examplesDir = './examples';
 const excludeFiles = new Set([
@@ -56,7 +56,7 @@ const languageNames = {
 };
 
 // Process each file
-const files = readdirSync(examplesDir).filter(f => 
+const files = readdirSync(examplesDir).filter(f =>
 	f.endsWith('.html') && !excludeFiles.has(f)
 );
 
@@ -65,18 +65,18 @@ console.log(`Processing ${files.length} files...`);
 files.forEach(file => {
 	const filePath = join(examplesDir, file);
 	let content = readFileSync(filePath, 'utf8');
-	
+
 	const baseName = file.replace('.html', '');
 	const langName = languageNames[baseName] || baseName;
-	
+
 	// Check if already updated
 	if (content.includes('examples.css')) {
 		console.log(`✓ ${file} already updated`);
 		return;
 	}
-	
+
 	console.log(`Updating ${file}...`);
-	
+
 	// Replace <head> with inline styles
 	content = content.replace(
 		/<head>[\s\S]*?<\/head>/,
@@ -87,7 +87,7 @@ files.forEach(file => {
 	<link rel="stylesheet" href="examples.css">
 </head>`
 	);
-	
+
 	// Add header if not present
 	if (!content.includes('<header>')) {
 		content = content.replace(
@@ -105,7 +105,7 @@ files.forEach(file => {
 `
 		);
 	}
-	
+
 	// Wrap examples in div.example if needed
 	if (!content.includes('class="example"')) {
 		// Simple wrapping for code blocks
@@ -127,7 +127,7 @@ files.forEach(file => {
 			'$1\n\t</div>\n\t\n\t<script'
 		);
 	}
-	
+
 	writeFileSync(filePath, content, 'utf8');
 	console.log(`✓ Updated ${file}`);
 });