@@ -11,7 +11,7 @@ jobs:
       matrix:
         node-version:
           - 26
-          - 14
+          - 22
     steps:
       - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
 
@@ -3,7 +3,7 @@ import convertColor from 'color-convert';
 import updateLog from 'log-update';
 import chalk from '../source/index.js';
 
-const ignoreCharacters = /[^\u{0021}-\u{007E}]/gu;
+const ignoreCharacters = /[^\u{0021}-\u{007E}]/gv;
 
 function rainbow(string, offset) {
 	if (!string || string.length === 0) {
 
@@ -19,7 +19,7 @@ for (const key of Object.keys(styles)) {
 		continue;
 	}
 
-	if (/^bg[^B]/.test(key)) {
+	if (/^bg[^B]/v.test(key)) {
 		returnValue = chalk.black(returnValue);
 	}
 
 
@@ -6,27 +6,27 @@
 	"repository": "chalk/chalk",
 	"funding": "https://github.com/chalk/chalk?sponsor=1",
 	"type": "module",
-	"main": "./source/index.js",
-	"exports": "./source/index.js",
+	"exports": {
+		"types": "./source/index.d.ts",
+		"default": "./source/index.js"
+	},
 	"imports": {
 		"#ansi-styles": "./source/vendor/ansi-styles/index.js",
 		"#supports-color": {
 			"node": "./source/vendor/supports-color/index.js",
 			"default": "./source/vendor/supports-color/browser.js"
 		}
 	},
-	"types": "./source/index.d.ts",
 	"sideEffects": false,
 	"engines": {
-		"node": "^12.17.0 || ^14.13 || >=16.0.0"
+		"node": ">=22"
 	},
 	"scripts": {
-		"test": "xo && c8 ava && tsd",
+		"test": "xo && c8 ava && tsc --noEmit --types node source/index.d.ts",
 		"bench": "matcha benchmark.js"
 	},
 	"files": [
-		"source",
-		"!source/index.test-d.ts"
+		"source"
 	],
 	"keywords": [
 		"color",
@@ -51,31 +51,35 @@
 		"text"
 	],
 	"devDependencies": {
-		"@types/node": "^16.11.10",
+		"@types/node": "^26.1.1",
 		"ansi-styles": "^6.2.3",
-		"ava": "^3.15.0",
-		"c8": "^7.10.0",
-		"color-convert": "^2.0.1",
-		"execa": "^6.0.0",
-		"log-update": "^5.0.0",
+		"ava": "^8.0.1",
+		"c8": "^12.0.0",
+		"color-convert": "^3.1.3",
+		"execa": "^10.0.0",
+		"log-update": "^8.0.0",
 		"matcha": "^0.7.0",
-		"tsd": "^0.19.0",
-		"xo": "^0.54.2",
+		"typescript": "^6.0.3",
+		"xo": "^4.0.0",
 		"yoctodelay": "^2.0.0"
 	},
-	"xo": {
-		"ignores": [
-			"source/vendor"
-		],
-		"rules": {
-			"unicorn/prefer-string-slice": "off",
-			"@typescript-eslint/consistent-type-imports": "off",
-			"@typescript-eslint/consistent-type-exports": "off",
-			"@typescript-eslint/consistent-type-definitions": "off",
-			"unicorn/expiring-todo-comments": "off",
-			"no-warning-comments": "off"
+	"xo": [
+		{
+			"ignores": [
+				"source/vendor"
+			]
+		},
+		{
+			"rules": {
+				"unicorn/prefer-string-slice": "off",
+				"@typescript-eslint/consistent-type-imports": "off",
+				"@typescript-eslint/consistent-type-exports": "off",
+				"@typescript-eslint/consistent-type-definitions": "off",
+				"unicorn/expiring-todo-comments": "off",
+				"no-warning-comments": "off"
+			}
 		}
-	},
+	],
 	"c8": {
 		"reporter": [
 			"text",
 
@@ -22,7 +22,7 @@ const levelMapping = [
 const styles = Object.create(null);
 
 const applyOptions = (object, options = {}) => {
-	if (options.level && !(Number.isInteger(options.level) && options.level >= 0 && options.level <= 3)) {
+	if (options.level && !(Number.isSafeInteger(options.level) && options.level >= 0 && options.level <= 3)) {
 		throw new Error('The `level` option should be an integer from 0 to 3');
 	}
 
@@ -51,6 +51,7 @@ function createChalk(options) {
 	return chalkFactory(options);
 }
 
+// eslint-disable-next-line unicorn/no-top-level-side-effects -- The prototype chain must be set up at module load.
 Object.setPrototypeOf(createChalk.prototype, Function.prototype);
 
 for (const [styleName, style] of Object.entries(ansiStyles)) {
@@ -185,6 +186,7 @@ const createBuilder = (self, _styler, _isEmpty) => {
 const applyStyle = (self, string) => {
 	// Read the level directly off the generator to skip the `level` getter dispatch on this hot path
 	if (self[GENERATOR].level <= 0 || !string) {
+		// eslint-disable-next-line unicorn/no-computed-property-existence-check -- Reads the boolean value, not a property existence check.
 		return self[IS_EMPTY] ? '' : string;
 	}
 
@@ -195,7 +197,7 @@ const applyStyle = (self, string) => {
 	}
 
 	const {openAll, closeAll} = styler;
-	if (string.includes('\u001B')) {
+	if (string.includes('\u{1B}')) {
 		while (styler !== undefined) {
 			// Replace any instances already present with a re-opening code
 			// otherwise only the part of the string until said closing code
@@ -217,6 +219,7 @@ const applyStyle = (self, string) => {
 	return openAll + string + closeAll;
 };
 
+// eslint-disable-next-line unicorn/no-top-level-side-effects -- The style getters must be installed at module load.
 Object.defineProperties(createChalk.prototype, styles);
 
 const chalk = createChalk();
 
@@ -22,8 +22,8 @@ export function stringEncaseCRLFWithFirstIndex(string, prefix, postfix, index) {
 	let endIndex = 0;
 	let returnValue = '';
 	do {
-		const gotCR = string[index - 1] === '\r';
-		returnValue += string.slice(endIndex, (gotCR ? index - 1 : index)) + prefix + (gotCR ? '\r\n' : '\n') + postfix;
+		const isGotCR = string[index - 1] === '\r';
+		returnValue += string.slice(endIndex, (isGotCR ? index - 1 : index)) + prefix + (isGotCR ? '\r\n' : '\n') + postfix;
 		endIndex = index + 1;
 		index = string.indexOf('\n', endIndex);
 	} while (index !== -1);
 
@@ -1,10 +1,10 @@
 const ANSI_BACKGROUND_OFFSET = 10;
 
-const wrapAnsi16 = (offset = 0) => code => `\u001B[${code + offset}m`;
+const wrapAnsi16 = (offset = 0) => code => `\u{1B}[${code + offset}m`;
 
-const wrapAnsi256 = (offset = 0) => code => `\u001B[${38 + offset};5;${code}m`;
+const wrapAnsi256 = (offset = 0) => code => `\u{1B}[${38 + offset};5;${code}m`;
 
-const wrapAnsi16m = (offset = 0) => (red, green, blue) => `\u001B[${38 + offset};2;${red};${green};${blue}m`;
+const wrapAnsi16m = (offset = 0) => (red, green, blue) => `\u{1B}[${38 + offset};2;${red};${green};${blue}m`;
 
 const styles = {
 	modifier: {
@@ -76,8 +76,8 @@ function assembleStyles() {
 	for (const [groupName, group] of Object.entries(styles)) {
 		for (const [styleName, style] of Object.entries(group)) {
 			styles[styleName] = {
-				open: `\u001B[${style[0]}m`,
-				close: `\u001B[${style[1]}m`,
+				open: `\u{1B}[${style[0]}m`,
+				close: `\u{1B}[${style[1]}m`,
 			};
 
 			group[styleName] = styles[styleName];
@@ -96,8 +96,8 @@ function assembleStyles() {
 		enumerable: false,
 	});
 
-	styles.color.close = '\u001B[39m';
-	styles.bgColor.close = '\u001B[49m';
+	styles.color.close = '\u{1B}[39m';
+	styles.bgColor.close = '\u{1B}[49m';
 
 	styles.color.ansi = wrapAnsi16();
 	styles.color.ansi256 = wrapAnsi256();
Original file line number	Diff line number	Diff line change
@@ -19,7 +19,7 @@ for (const key of Object.keys(styles)) {
19	19	continue;
20	20	}
21	21
22		- if (/^bg[^B]/.test(key)) {
	22	+ if (/^bg[^B]/v.test(key)) {
23	23	returnValue = chalk.black(returnValue);
24	24	}
25	25