diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d36e1a8..54a4168 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,11 +10,11 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 22
           - 14
-          - 12
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install
diff --git a/fixtures/ansi-codes.js b/fixtures/ansi-codes.js
index 935be0f..dc84cd4 100644
--- a/fixtures/ansi-codes.js
+++ b/fixtures/ansi-codes.js
@@ -17,7 +17,7 @@ export const vt52Codes = new Map([
 	['2', ['Graphics processor off']],
 	['<', ['Enter ANSI mode']],
 	['s', ['Cursor save']],
-	['u', ['Cursor restore']]
+	['u', ['Cursor restore']],
 ]);
 
 // From https://espterm.github.io/docs/VT100%20escape%20codes.html
@@ -76,7 +76,7 @@ export const ansiCompatible = new Map([
 
 	['c', ['Causes power-up reset routine to be executed']],
 	['#8', ['Fill screen with "E"']],
-	['[2;176y', ['Invoke Test(s), where Ps is a decimal computed by adding the numbers of the desired tests to be executed']]
+	['[2;176y', ['Invoke Test(s), where Ps is a decimal computed by adding the numbers of the desired tests to be executed']],
 ]);
 
 // From http://ascii-table.com/ansi-escape-sequences-vt-100.php
@@ -181,7 +181,7 @@ export const commonCodes = new Map([
 	['[1q', ['Turn on LED #1', 'DECLL1']],
 	['[2q', ['Turn on LED #2', 'DECLL2']],
 	['[3q', ['Turn on LED #3', 'DECLL3']],
-	['[4q', ['Turn on LED #4', 'DECLL4']]
+	['[4q', ['Turn on LED #4', 'DECLL4']],
 ]);
 
 // From http://ascii-table.com/ansi-escape-sequences-vt-100.php
@@ -212,7 +212,7 @@ export const otherCode = new Map([
 	['5n', ['Device status report', 'DSR']],
 	['0n', ['Response: terminal is OK', 'DSR']],
 	['3n', ['Response: terminal is not OK', 'DSR']],
-	['6n', ['Get cursor position', 'DSR']]
+	['6n', ['Get cursor position', 'DSR']],
 ]);
 
 // `urxvt` escapes
@@ -229,5 +229,5 @@ export const urxvt = new Map([
 	['[3;5;606t', ['URxvt.keysym.C-M-y']],
 	['[3;1605;5t', ['URxvt.keysym.C-M-e']],
 	['[3;1605;606t', ['URxvt.keysym.C-M-c']],
-	[']710;9x15bold\u0007', ['URxvt.keysym.font']]
+	[']710;9x15bold\u0007', ['URxvt.keysym.font']],
 ]);
diff --git a/fixtures/view-codes.js b/fixtures/view-codes.js
index 2c9327c..bdfa997 100644
--- a/fixtures/view-codes.js
+++ b/fixtures/view-codes.js
@@ -1,5 +1,6 @@
-import ansiCodes from './ansi-codes.js';
+import process from 'node:process';
 import ansiRegex from '../index.js';
+import ansiCodes from './ansi-codes.js';
 
 const allCodes = {};
 const supported = [];
@@ -18,7 +19,7 @@ function identifySupportedCodes() {
 		codeSupport = {
 			code,
 			matches: `\u001B${code}`.match(ansiRegex()),
-			description: value[0]
+			description: value[0],
 		};
 
 		if (codeSupport.matches !== null && codeSupport.matches[0] === `\u001B${code}`) {
diff --git a/index.d.ts b/index.d.ts
index 50ef64d..7d562e9 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,11 +1,11 @@
-export interface Options {
+export type Options = {
 	/**
 	Match only the first ANSI escape.
 
 	@default false
 	*/
 	readonly onlyFirst: boolean;
-}
+};
 
 /**
 Regular expression for matching ANSI escape codes.
diff --git a/index.js b/index.js
index 0dfae22..9795fdc 100644
--- a/index.js
+++ b/index.js
@@ -1,7 +1,7 @@
 export default function ansiRegex({onlyFirst = false} = {}) {
 	const pattern = [
 		'[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)',
-		'(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-nq-uy=><~]))'
+		'(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-nq-uy=><~]))',
 	].join('|');
 
 	return new RegExp(pattern, onlyFirst ? undefined : 'g');
diff --git a/package.json b/package.json
index 6445c00..5e4b9bd 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,8 @@
 	},
 	"type": "module",
 	"exports": "./index.js",
+	"types": "./index.d.ts",
+	"sideEffects": false,
 	"engines": {
 		"node": ">=12"
 	},
@@ -53,7 +55,7 @@
 	"devDependencies": {
 		"ansi-escapes": "^5.0.0",
 		"ava": "^3.15.0",
-		"tsd": "^0.14.0",
-		"xo": "^0.38.2"
+		"tsd": "^0.21.0",
+		"xo": "^0.54.2"
 	}
 }
diff --git a/readme.md b/readme.md
index 0e17e23..1e91ee1 100644
--- a/readme.md
+++ b/readme.md
@@ -4,8 +4,8 @@
 
 ## Install
 
-```
-$ npm install ansi-regex
+```sh
+npm install ansi-regex
 ```
 
 ## Usage
@@ -58,15 +58,3 @@ On the historical side, those ECMA standards were established in the early 90's
 
 - [Sindre Sorhus](https://github.com/sindresorhus)
 - [Josh Junon](https://github.com/qix-)
-
----
-
-<div align="center">
-	<b>
-		<a href="https://tidelift.com/subscription/pkg/npm-ansi-regex?utm_source=npm-ansi-regex&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
-	</b>
-	<br>
-	<sub>
-		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
-	</sub>
-</div>
diff --git a/test.js b/test.js
index 7cfb248..7c19d21 100644
--- a/test.js
+++ b/test.js
@@ -47,11 +47,11 @@ test('match terminal link', t => {
 	t.regex('\u001B]8;;mailto:no-replay@mail.com\u0007mail\u001B]8;;\u0007', ansiRegex());
 	t.deepEqual('\u001B]8;k=v;https://example-a.com/?a_b=1&c=2#tit%20le\u0007click\u001B]8;;\u0007'.match(ansiRegex()), [
 		'\u001B]8;k=v;https://example-a.com/?a_b=1&c=2#tit%20le\u0007',
-		'\u001B]8;;\u0007'
+		'\u001B]8;;\u0007',
 	]);
 	t.deepEqual('\u001B]8;;mailto:no-reply@mail.com\u0007mail-me\u001B]8;;\u0007'.match(ansiRegex()), [
 		'\u001B]8;;mailto:no-reply@mail.com\u0007',
-		'\u001B]8;;\u0007'
+		'\u001B]8;;\u0007',
 	]);
 });
 
@@ -60,14 +60,14 @@ test('match "change icon name and window title" in string', t => {
 });
 
 // Testing against extended codes (excluding codes ending in 0-9)
-for (const codeSet of Object.keys(ansiCodes)) {
-	for (const [code, codeInfo] of ansiCodes[codeSet]) {
-		const skip = /\d$/.test(code);
-		const skipText = skip ? '[SKIP] ' : '';
+for (const [codeSetKey, codeSetValue] of Object.entries(ansiCodes)) {
+	for (const [code, codeInfo] of codeSetValue) {
+		const shouldSkip = /\d$/.test(code);
+		const skipText = shouldSkip ? '[SKIP] ' : '';
 		const ecode = `\u001B${code}`;
 
-		test(`${codeSet} - ${skipText}${code} → ${codeInfo[0]}`, t => {
-			if (skip) {
+		test(`${codeSetKey} - ${skipText}${code} → ${codeInfo[0]}`, t => {
+			if (shouldSkip) {
 				t.pass();
 				return;
 			}
@@ -78,36 +78,34 @@ for (const codeSet of Object.keys(ansiCodes)) {
 			t.is(string.replace(ansiRegex(), ''), 'hello');
 		});
 
-		test(`${codeSet} - ${skipText}${code} should not overconsume`, t => {
-			if (skip) {
+		test(`${codeSetKey} - ${skipText}${code} should not overconsume`, t => {
+			if (shouldSkip) {
 				t.pass();
 				return;
 			}
 
-			for (const c of consumptionCharacters) {
-				const string = ecode + c;
+			for (const character of consumptionCharacters) {
+				const string = ecode + character;
 				t.regex(string, ansiRegex());
 				t.is(string.match(ansiRegex())[0], ecode);
-				t.is(string.replace(ansiRegex(), ''), c);
+				t.is(string.replace(ansiRegex(), ''), character);
 			}
 		});
 	}
 }
 
-const escapeCodeFunctionArgs = [1, 2];
+const escapeCodeFunctionArguments = [1, 2];
 const escapeCodeIgnoresList = new Set(['beep', 'image', 'iTerm']);
-const escapeCodeResultMap = new Map([['link', escapeCodeFunctionArgs[0]]]);
+const escapeCodeResultMap = new Map([['link', escapeCodeFunctionArguments[0]]]);
 
-for (const key of Object.keys(ansiEscapes)) {
+for (const [key, escapeCode] of Object.entries(ansiEscapes)) {
 	if (escapeCodeIgnoresList.has(key)) {
 		continue;
 	}
 
-	const escapeCode = ansiEscapes[key];
-
-	const escapeCodeValue = typeof escapeCode === 'function' ?
-		escapeCode(...escapeCodeFunctionArgs) :
-		escapeCode;
+	const escapeCodeValue = typeof escapeCode === 'function'
+		? escapeCode(...escapeCodeFunctionArguments)
+		: escapeCode;
 
 	test(`ansi-escapes ${key}`, t => {
 		for (const character of consumptionCharacters) {