Fix code coverage

.github/workflows/main.yml

@@ -10,6 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 16
           - 14
           - 12
     steps:
@@ -19,3 +20,7 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - run: npm install
       - run: npm test
+      - uses: codecov/codecov-action@v2
+        if: matrix.node-version == 16
+        with:
+          fail_ci_if_error: true

package.json

@@ -14,11 +14,12 @@
 			"default": "./source/vendor/supports-color/browser.js"
 		}
 	},
+	"types": "./source/index.d.ts",
 	"engines": {
 		"node": "^12.17.0 || ^14.13 || >=16.0.0"
 	},
 	"scripts": {
-		"test": "xo && nyc ava && tsd",
+		"test": "xo && c8 ava && tsd",
 		"bench": "matcha benchmark.js"
 	},
 	"files": [
@@ -48,23 +49,29 @@
 		"text"
 	],
 	"devDependencies": {
+		"@types/node": "^16.11.10",
 		"ava": "^3.15.0",
+		"c8": "^7.10.0",
 		"color-convert": "^2.0.1",
-		"coveralls": "^3.1.1",
 		"execa": "^6.0.0",
 		"log-update": "^5.0.0",
 		"matcha": "^0.7.0",
-		"nyc": "^15.1.0",
 		"tsd": "^0.19.0",
-		"typescript": "^4.5.2",
 		"xo": "^0.47.0",
 		"yoctodelay": "^2.0.0"
 	},
-	"types": "./source/index.d.ts",
 	"xo": {
 		"rules": {
-			"unicorn/prefer-string-slice": "off",
-			"unicorn/better-regex": "off"
+			"unicorn/prefer-string-slice": "off"
 		}
+	},
+	"c8": {
+		"reporter": [
+			"text",
+			"lcov"
+		],
+		"exclude": [
+			"source/vendor"
+		]
 	}
 }

readme.md

@@ -9,7 +9,7 @@
 
 > Terminal string styling done right
 
-[![Coverage Status](https://coveralls.io/repos/github/chalk/chalk/badge.svg?branch=main)](https://coveralls.io/github/chalk/chalk?branch=main)
+[![Coverage Status](https://codecov.io/gh/chalk/chalk/branch/main/graph/badge.svg)](https://codecov.io/gh/chalk/chalk)
 [![npm dependents](https://badgen.net/npm/dependents/chalk)](https://www.npmjs.com/package/chalk?activeTab=dependents) [![Downloads](https://badgen.net/npm/dt/chalk)](https://www.npmjs.com/package/chalk)
 [![run on repl.it](https://repl.it/badge/github/chalk/chalk)](https://repl.it/github/chalk/chalk)
 [![Support Chalk on DEV](https://badge.devprotocol.xyz/0x44d871aebF0126Bf646753E2C976Aa7e68A66c15/descriptive)](https://stakes.social/0x44d871aebF0126Bf646753E2C976Aa7e68A66c15)
@@ -72,6 +72,7 @@
 
 - Expressive API
 - Highly performant
+- No dependencies
 - Ability to nest styles
 - [256/Truecolor color support](#256-and-truecolor-color-support)
 - Auto-detects color support
@@ -86,6 +87,8 @@
 npm install chalk
 ```
 
+**IMPORTANT:** Chalk 5 is ESM. If you want to use Chalk with TypeScript or a build tool, you will probably want to use Chalk 4 for now. [Read more.](https://github.com/chalk/chalk/releases/tag/v5.0.0)
+
 ## Usage
 
 ```js

source/utilities.js

@@ -1,3 +1,4 @@
+// TODO: When targeting Node.js 16, use `String.prototype.replaceAll`.
 export function stringReplaceAll(string, substring, replacer) {
 	let index = string.indexOf(substring);
 	if (index === -1) {