Add yeslint!

index.d.ts

@@ -305,7 +305,10 @@ export function stripColor(str: string): string;
  * @property {number} g
  * @property {number} b
  */
-/** True if [`NO_COLOR`](https://no-color.org/) is set. */
+/**
+ * True if `NO_COLOR` is set.
+ * @see https://no-color.org/
+ */
 export const noColor: boolean;
 export type Color = {
     open: string;

index.js

@@ -1,3 +1,5 @@
+/* global process, Deno */
+
 /**
  * @typedef Color
  * @property {string} open
@@ -12,7 +14,11 @@
  * @property {number} b
  */
 
-/** True if [`NO_COLOR`](https://no-color.org/) is set. */
+/**
+ * True if `NO_COLOR` is set.
+ * @see https://no-color.org/
+ */
+// @ts-expect-error Depends on environment.
 export const noColor = !!process?.env?.NO_COLOR || !!Deno?.noColor;
 
 let enabled = !noColor;
@@ -50,9 +56,7 @@ function code(open, close) {
  * @returns {string}
  */
 function run(str, code) {
-  return enabled
-    ? `${code.open}${str.replace(code.regexp, code.open)}${code.close}`
-    : str;
+  return enabled ? `${code.open}${str.replace(code.regexp, code.open)}${code.close}` : str;
 }
 
 /**

package.json

@@ -24,10 +24,20 @@
   },
   "homepage": "https://github.com/garraflavatra/trmclr#readme",
   "scripts": {
-    "build": "tsc"
+    "build": "tsc",
+    "lint": "eslint index.js"
   },
   "devDependencies": {
-    "@types/node": "^18.8.3",
-    "typescript": "^4.8.4"
+    "@garraflavatra/yeslint": "^1.2.0",
+    "@types/node": "^22.1.0",
+    "@typescript-eslint/eslint-plugin": "^6.21.0",
+    "eslint": "^8.57.0",
+    "typescript": "^5.5.4"
+  },
+  "eslintConfig": {
+    "extends": "./node_modules/@garraflavatra/yeslint/configs/generic.js",
+    "parserOptions": {
+      "sourceType": "module"
+    }
   }
 }