Support named exports in TypeScript projects

Export single named exports from `picocolors.d.ts`. Test
the functionality by `test/types.mts`.

Include both `*.ts` files in the package.

Include the test in the GitHub workflow.

.github/workflows/testing.yaml

@@ -24,6 +24,7 @@ jobs:
       - run: npm run build
       - run: node tests/test.js
       - run: node tests/esm.mjs
+      - run: node tests/types.mjs
   legacy:
     name: Node v${{ matrix.node-version }} (Legacy)
     runs-on: ubuntu-latest

.gitignore

@@ -1,2 +1,3 @@
 node_modules
 picocolors.mjs
+tests/types.mjs

package.json

@@ -17,12 +17,12 @@
   "sideEffects": false,
   "description": "The tiniest and the fastest library for terminal output formatting with ANSI colors",
   "scripts": {
-    "build": "node build-esm.mjs",
+    "build": "node build-esm.mjs && tsc --module esnext tests/types.mts",
     "test": "node tests/test.js"
   },
   "files": [
     "picocolors.*",
-    "types.ts"
+    "*.ts"
   ],
   "keywords": [
     "terminal",
@@ -43,7 +43,8 @@
     "colorette": "^2.0.20",
     "kleur": "^4.1.5",
     "nanocolors": "^0.2.13",
-    "prettier": "^2.8.8"
+    "prettier": "^2.8.8",
+    "typescript": "^5.3.3"
   },
   "prettier": {
     "printWidth": 100,

picocolors.d.ts

@@ -1,5 +1,38 @@
-import { Colors } from "./types"
+import { Colors, Formatter } from "./types"
 
-declare const picocolors: Colors & { createColors: (enabled?: boolean) => Colors }
+export { Colors }
 
-export = picocolors
+declare type Generator = (enabled?: boolean) => Colors
+
+declare const picocolors: Colors & { createColors: Generator }
+
+export default picocolors
+
+export let isColorSupported: boolean
+export let reset: Formatter
+export let bold: Formatter
+export let dim: Formatter
+export let italic: Formatter
+export let underline: Formatter
+export let inverse: Formatter
+export let hidden: Formatter
+export let strikethrough: Formatter
+export let black: Formatter
+export let red: Formatter
+export let green: Formatter
+export let yellow: Formatter
+export let blue: Formatter
+export let magenta: Formatter
+export let cyan: Formatter
+export let white: Formatter
+export let gray: Formatter
+export let bgBlack: Formatter
+export let bgRed: Formatter
+export let bgGreen: Formatter
+export let bgYellow: Formatter
+export let bgBlue: Formatter
+export let bgMagenta: Formatter
+export let bgCyan: Formatter
+export let bgWhite: Formatter
+
+export let createColors: Generator

tests/types.mts

@@ -0,0 +1,25 @@
+import pc from "../picocolors.mjs"
+import { bold, createColors, Colors } from "../picocolors.mjs"
+
+test("default export", () => {
+  let _result: string = pc.bold("test")
+})
+
+test("named exports", () => {
+  let _result: string = bold("test")
+})
+
+test("factory function", () => {
+  let _result1: Colors = pc.createColors()
+  let _result2: Colors = createColors()
+})
+
+function test(name: string, fn: () => void) : void {
+	try {
+		fn()
+		console.log(pc.green("✓ " + name))
+	} catch (error) {
+		console.log(pc.red("✗ " + name))
+		throw error
+	}
+}