Require Node.js 18

.gitignore

@@ -1,3 +1,4 @@
 build
 node_modules
 yarn.lock
+.tsimp

package.json

@@ -15,7 +15,7 @@
 		"default": "./build/index.js"
 	},
 	"engines": {
-		"node": ">=14.16"
+		"node": ">=18"
 	},
 	"scripts": {
 		"prepare": "tsc",
@@ -31,20 +31,20 @@
 		"test"
 	],
 	"devDependencies": {
-		"@sindresorhus/tsconfig": "^3.0.1",
-		"@types/react": "^18.0.0",
-		"@vdemedes/prettier-config": "^1.0.1",
-		"ava": "^5.1.1",
-		"delay": "^5.0.0",
+		"@sindresorhus/tsconfig": "^5.0.0",
+		"@types/react": "^18.3.2",
+		"@vdemedes/prettier-config": "^2.0.1",
+		"ava": "^6.1.3",
+		"delay": "^6.0.0",
 		"eslint-config-xo-react": "^0.27.0",
-		"eslint-plugin-react": "^7.32.2",
-		"eslint-plugin-react-hooks": "^4.6.0",
-		"ink": "^4.0.0",
-		"prettier": "^2.0.4",
-		"react": "^18.0.0",
-		"ts-node": "^10.9.1",
-		"typescript": "^4.9.4",
-		"xo": "^0.53.0"
+		"eslint-plugin-react": "^7.34.1",
+		"eslint-plugin-react-hooks": "^4.6.2",
+		"ink": "^5.0.0",
+		"prettier": "^3.2.5",
+		"react": "^18.3.1",
+		"tsimp": "^2.0.11",
+		"typescript": "^5.4.5",
+		"xo": "^0.58.0"
 	},
 	"peerDependencies": {
 		"@types/react": ">=18.0.0"
@@ -60,12 +60,15 @@
 			"tsx": "module"
 		},
 		"nodeArguments": [
-			"--loader=ts-node/esm"
+			"--import=tsimp"
 		]
 	},
 	"xo": {
 		"extends": "xo-react",
-		"prettier": true
+		"prettier": true,
+		"rules": {
+			"unicorn/prefer-event-target": "off"
+		}
 	},
 	"prettier": "@vdemedes/prettier-config"
 }

source/index.ts

@@ -1,6 +1,5 @@
 import {EventEmitter} from 'node:events';
-import {render as inkRender} from 'ink';
-import type {Instance as InkInstance} from 'ink';
+import {render as inkRender, type Instance as InkInstance} from 'ink';
 import type {ReactElement} from 'react';
 
 class Stdout extends EventEmitter {
@@ -34,7 +33,7 @@ class Stderr extends EventEmitter {
 class Stdin extends EventEmitter {
 	// eslint-disable-next-line @typescript-eslint/naming-convention
 	isTTY = true;
-	data: string | null = null;
+	data: string | null = null; // eslint-disable-line @typescript-eslint/ban-types
 	constructor(options: {isTTY?: boolean} = {}) {
 		super();
 		this.isTTY = options.isTTY ?? true;
@@ -43,7 +42,7 @@ class Stdin extends EventEmitter {
 	write = (data: string) => {
 		this.data = data;
 		this.emit('readable');
-		// this.emit('data', data);
+		this.emit('data', data);
 	};
 
 	setEncoding() {
@@ -70,11 +69,10 @@ class Stdin extends EventEmitter {
 		// Do nothing
 	}
 
+	// eslint-disable-next-line @typescript-eslint/ban-types
 	read: () => string | null = () => {
-		const data = this.data;
-
+		const {data} = this;
 		this.data = null;
-
 		return data;
 	};
 }
@@ -106,7 +104,7 @@ export const render = (tree: ReactElement): Instance => {
 		stdin: stdin as any,
 		debug: true,
 		exitOnCtrlC: false,
-		patchConsole: false
+		patchConsole: false,
 	});
 
 	instances.push(instance);
@@ -119,7 +117,7 @@ export const render = (tree: ReactElement): Instance => {
 		stderr,
 		stdin,
 		frames: stdout.frames,
-		lastFrame: stdout.lastFrame
+		lastFrame: stdout.lastFrame,
 	};
 };
 

test/test.tsx

@@ -16,7 +16,7 @@ test('render a single frame', t => {
 });
 
 test('render multiple frames', t => {
-	function Counter({count}: {count: number}) {
+	function Counter({count}: {readonly count: number}) {
 		return <Text>Count: {count}</Text>;
 	}
 

tsconfig.json

@@ -2,11 +2,10 @@
 	"extends": "@sindresorhus/tsconfig",
 	"compilerOptions": {
 		"outDir": "build",
-		"sourceMap": true
+		"sourceMap": true,
+		"jsx": "react"
 	},
-	"include": ["source"],
-	"ts-node": {
-		"transpileOnly": true,
-		"files": true
-	}
+	"include": [
+		"source"
+	]
 }