chore: drop chalk from dependencies (#12)

There's a nice native replacement now. Since node 20 will end-of-life in April, 2026, we will also enforce
engine as 22+.

Author: aslushnikov

README.md

@@ -10,6 +10,8 @@ The Flakiness SDK provides a comprehensive set of tools for creating and managin
 npm i @flakiness/sdk @flakiness/flakiness-report
 ```
 
+Requires Node.js 22+.
+
 ## Quick Start
 
 Here's a minimal example of creating a Flakiness JSON Report:

package.json

@@ -30,6 +30,9 @@
   "keywords": [],
   "author": "Degu Labs, Inc",
   "license": "MIT",
+  "engines": {
+    "node": ">=22"
+  },
   "devDependencies": {
     "@flakiness/flakiness-report": "^0.28.0",
     "@flakiness/playwright": "^1.3.3",
@@ -45,7 +48,6 @@
     "@flakiness/flakiness-report": ">=0.26.0 <1.0.0"
   },
   "dependencies": {
-    "chalk": "^5.6.2",
     "debug": "^4.4.3",
     "open": "^10.2.0",
     "stable-hash": "^0.0.6",

pnpm-lock.yaml

@@ -1,4 +1,4 @@
-import chalk from 'chalk';
+import { styleText } from 'node:util';
 import open from "open";
 import { randomUUIDBase62 } from './_internalUtils.js';
 import { StaticServer } from './staticServer.js';
@@ -38,7 +38,7 @@ export async function showReport(reportFolder: string, options?: {
   url.searchParams.set('port', String(server.port()));
   url.searchParams.set('token', token);
 
-  console.log(chalk.cyan(`
+  console.log(styleText('cyan', `
   Serving Flakiness report at ${(url.toString())}
   Press Ctrl+C to quit.`))
   await open(url.toString());

src/showReport.ts

@@ -13,7 +13,9 @@ const ansiRegex = new RegExp('[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(
  *
  * @example
  * ```typescript
- * const clean = stripAnsi(chalk.red('Error: test failed'));
+ * import { styleText } from 'node:util';
+ *
+ * const clean = stripAnsi(styleText('red', 'Error: test failed'));
  * // Returns: 'Error: test failed' (without color codes)
  * ```
  */