Require Node.js 12 and move to ESM

Author: sindresorhus

.github/workflows/main.yml

@@ -10,13 +10,13 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 16
           - 14
           - 12
           - 10
-          - 8
     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

@@ -5,7 +5,7 @@ _Specifying `null` or `undefined` results in an empty array._
 
 @example
 ```
-import arrify = require('arrify');
+import arrify from 'arrify';
 
 arrify('🦄');
 //=> ['🦄']
@@ -23,16 +23,14 @@ arrify(undefined);
 //=> []
 ```
 */
-declare function arrify<ValueType>(
+export default function arrify<ValueType>(
 	value: ValueType
 ): ValueType extends (null | undefined)
-	? []
+	? [] // eslint-disable-line  @typescript-eslint/ban-types
 	: ValueType extends string
-	? [string]
-	: ValueType extends ReadonlyArray<unknown> // TODO: Use 'readonly unknown[]' in the next major version
-	? ValueType
-	: ValueType extends Iterable<infer T>
-	? T[]
-	: [ValueType];
-
-export = arrify;
+		? [string]
+		: ValueType extends readonly unknown[]
+			? ValueType
+			: ValueType extends Iterable<infer T>
+				? T[]
+				: [ValueType];

index.js

@@ -1,6 +1,4 @@
-'use strict';
-
-const arrify = value => {
+export default function arrify(value) {
 	if (value === null || value === undefined) {
 		return [];
 	}
@@ -18,6 +16,4 @@ const arrify = value => {
 	}
 
 	return [value];
-};
-
-module.exports = arrify;
+}

index.test-d.ts

@@ -1,32 +1,33 @@
-import {expectType, expectError} from 'tsd';
-import arrify = require('.');
+/* eslint-disable  @typescript-eslint/ban-types */
+import {expectType, expectError, expectAssignable} from 'tsd';
+import arrify from './index.js';
 
 expectType<[]>(arrify(null));
 expectType<[]>(arrify(undefined));
 expectType<[string]>(arrify('🦄'));
 expectType<string[]>(arrify(['🦄']));
-expectType<[boolean]>(arrify(true));
+expectAssignable<[boolean]>(arrify(true));
 expectType<[number]>(arrify(1));
-expectType<[{}]>(arrify({}));
+expectAssignable<[Record<string, unknown>]>(arrify({}));
 expectType<[number, string]>(arrify([1, 'foo']));
-expectType<(string | boolean)[]>(
+expectType<Array<string | boolean>>(
 	arrify(new Set<string | boolean>(['🦄', true]))
 );
 expectType<number[]>(arrify(new Set([1, 2])));
 expectError(arrify(['🦄'] as const).push(''));
-expectType<number[] | []>(arrify(Boolean() ? [1, 2] : null));
-expectType<number[] | []>(arrify(Boolean() ? [1, 2] : undefined));
-expectType<number[] | [string]>(arrify(Boolean() ? [1, 2] : '🦄'));
-expectType<number[] | string[]>(arrify(Boolean() ? [1, 2] : ['🦄']));
-expectType<number[] | [boolean]>(arrify(Boolean() ? [1, 2] : true));
-expectType<number[] | [number]>(arrify(Boolean() ? [1, 2] : 3));
-expectType<number[] | [{}]>(arrify(Boolean() ? [1, 2] : {}));
-expectType<number[] | [number, string]>(
-	arrify(Boolean() ? [1, 2] : [1, 'foo'])
+expectType<[number, number] | []>(arrify(false ? [1, 2] : null));
+expectType<[number, number] | []>(arrify(false ? [1, 2] : undefined));
+expectType<[number, number] | [string]>(arrify(false ? [1, 2] : '🦄'));
+expectType<[number, number] | [string]>(arrify(false ? [1, 2] : ['🦄']));
+expectAssignable<number[] | [boolean]>(arrify(false ? [1, 2] : true));
+expectAssignable<number[] | [number]>(arrify(false ? [1, 2] : 3));
+expectAssignable<number[] | [Record<string, unknown>]>(arrify(false ? [1, 2] : {}));
+expectAssignable<number[] | [number, string]>(
+	arrify(false ? [1, 2] : [1, 'foo'])
 );
-expectType<number[] | (string | boolean)[]>(
-	arrify(Boolean() ? [1, 2] : new Set<string | boolean>(['🦄', true]))
+expectAssignable<number[] | Array<string | boolean>>(
+	arrify(false ? [1, 2] : new Set<string | boolean>(['🦄', true]))
 );
-expectType<number[] | [boolean] | [string]>(
-	arrify(Boolean() ? [1, 2] : Boolean() ? true : '🦄')
+expectAssignable<number[] | [boolean] | [string]>(
+	arrify(false ? [1, 2] : (false ? true : '🦄'))
 );

license

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

package.json

@@ -4,13 +4,16 @@
 	"description": "Convert a value to an array",
 	"license": "MIT",
 	"repository": "sindresorhus/arrify",
+	"funding": "https://github.com/sponsors/sindresorhus",
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "sindresorhus@gmail.com",
-		"url": "sindresorhus.com"
+		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=8"
+		"node": ">=12"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -28,8 +31,8 @@
 		"ensure"
 	],
 	"devDependencies": {
-		"ava": "^1.4.1",
-		"tsd": "^0.7.2",
-		"xo": "^0.24.0"
+		"ava": "^3.15.0",
+		"tsd": "^0.14.0",
+		"xo": "^0.39.1"
 	}
 }

readme.md

@@ -2,18 +2,16 @@
 
 > Convert a value to an array
 
-
 ## Install
 
 ```
 $ npm install arrify
 ```
 
-
 ## Usage
 
 ```js
-const arrify = require('arrify');
+import arrify from 'arrify';
 
 arrify('🦄');
 //=> ['🦄']
@@ -33,7 +31,6 @@ arrify(undefined);
 
 *Specifying `null` or `undefined` results in an empty array.*
 
-
 ---
 
 <div align="center">

test.js

@@ -1,5 +1,5 @@
 import test from 'ava';
-import arrify from '.';
+import arrify from './index.js';
 
 test('main', t => {
 	t.deepEqual(arrify('foo'), ['foo']);