Require Node.js 12 and move to ESM

.github/workflows/main.yml

@@ -12,10 +12,9 @@ jobs:
         node-version:
           - 14
           - 12
-          - 10
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

index.d.ts

@@ -1,5 +1,3 @@
-/// <reference types="node"/>
-
 declare const getStdin: {
 	/**
 	Get [`stdin`](https://nodejs.org/api/process.html#process_process_stdin) as a `string`.
@@ -9,12 +7,10 @@ declare const getStdin: {
 	@example
 	```
 	// example.ts
-	import getStdin = require('get-stdin');
+	import getStdin from 'get-stdin';
 
-	(async () => {
-		console.log(await getStdin());
-		//=> 'unicorns'
-	})
+	console.log(await getStdin());
+	//=> 'unicorns'
 
 	// $ echo unicorns | ts-node example.ts
 	// unicorns
@@ -30,4 +26,4 @@ declare const getStdin: {
 	buffer(): Promise<Buffer>;
 };
 
-export = getStdin;
+export default getStdin;

index.js

@@ -1,7 +1,6 @@
-'use strict';
 const {stdin} = process;
 
-module.exports = async () => {
+export default async function getStdin() {
 	let result = '';
 
 	if (stdin.isTTY) {
@@ -15,9 +14,9 @@ module.exports = async () => {
 	}
 
 	return result;
-};
+}
 
-module.exports.buffer = async () => {
+getStdin.buffer = async () => {
 	const result = [];
 	let length = 0;
 

index.test-d.ts

@@ -1,5 +1,5 @@
 import {expectType} from 'tsd';
-import getStdin = require('.');
+import getStdin from './index.js';
 
 expectType<Promise<string>>(getStdin());
 expectType<Promise<Buffer>>(getStdin.buffer());

package.json

@@ -10,8 +10,10 @@
 		"email": "sindresorhus@gmail.com",
 		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=10"
+		"node": ">=12"
 	},
 	"scripts": {
 		"test": "xo && ava test.js test-buffer.js && echo unicorns | node test-real.js && tsd"
@@ -31,10 +33,10 @@
 		"read"
 	],
 	"devDependencies": {
-		"@types/node": "^13.13.5",
-		"ava": "^2.4.0",
-		"delay": "^4.2.0",
-		"tsd": "^0.11.0",
-		"xo": "^0.24.0"
+		"@types/node": "^14.14.41",
+		"ava": "^3.15.0",
+		"delay": "^5.0.0",
+		"tsd": "^0.14.0",
+		"xo": "^0.38.2"
 	}
 }

readme.md

@@ -12,12 +12,10 @@ $ npm install get-stdin
 
 ```js
 // example.js
-const getStdin = require('get-stdin');
+import getStdin from 'get-stdin';
 
-(async () => {
-	console.log(await getStdin());
-	//=> 'unicorns'
-})();
+console.log(await getStdin());
+//=> 'unicorns'
 ```
 
 ```

test-buffer.js

@@ -1,13 +1,13 @@
-import {serial as test} from 'ava';
+import test from 'ava';
 import delay from 'delay';
-import getStdin from '.';
+import getStdin from './index.js';
 
-test('get stdin', async t => {
+test.serial('get stdin', async t => {
 	process.stdin.isTTY = false;
 
 	const promise = getStdin.buffer();
 	process.stdin.push(Buffer.from('uni'));
-	process.stdin.push(Buffer.from('corns'));
+	process.stdin.push(Buffer.from('corns')); // eslint-disable-line unicorn/no-array-push-push
 	await delay(1);
 	process.stdin.emit('end');
 
@@ -16,7 +16,7 @@ test('get stdin', async t => {
 	t.is(data.toString(), 'unicorns');
 });
 
-test('get empty buffer when no stdin', async t => {
+test.serial('get empty buffer when no stdin', async t => {
 	process.stdin.isTTY = true;
 	t.true((await getStdin.buffer()).equals(Buffer.from('')));
 });

test-real.js

@@ -1,5 +1,4 @@
-'use strict';
-const getStdin = require('.');
+import getStdin from './index.js';
 
 (async () => {
 	const stdin = await getStdin();

test.js

@@ -1,20 +1,20 @@
-import {serial as test} from 'ava';
+import test from 'ava';
 import delay from 'delay';
-import getStdin from '.';
+import getStdin from './index.js';
 
-test('get stdin', async t => {
+test.serial('get stdin', async t => {
 	process.stdin.isTTY = false;
 	const promise = getStdin();
 
 	process.stdin.push('uni');
-	process.stdin.push('corns');
+	process.stdin.push('corns'); // eslint-disable-line unicorn/no-array-push-push
 	await delay(1);
 	process.stdin.emit('end');
 
 	t.is((await promise).trim(), 'unicorns');
 });
 
-test('get empty string when no stdin', async t => {
+test.serial('get empty string when no stdin', async t => {
 	process.stdin.isTTY = true;
 	t.is(await getStdin(), '');
 });