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

@@ -1,28 +1,26 @@
-declare namespace transliterate {
-	interface Options {
-		/**
-		Add your own custom replacements.
-
-		The replacements are run on the original string before any other transformations.
-
-		This only overrides a default replacement if you set an item with the same key.
-
-		@default []
-
-		@example
-		```
-		import transliterate = require('@sindresorhus/transliterate');
-
-		transliterate('Я люблю единорогов', {
-			customReplacements: [
-				['единорогов', '🦄']
-			]
-		})
-		//=> 'Ya lyublyu 🦄'
-		```
-		*/
-		readonly customReplacements?: ReadonlyArray<[string, string]>;
-	}
+export interface Options {
+	/**
+	Add your own custom replacements.
+
+	The replacements are run on the original string before any other transformations.
+
+	This only overrides a default replacement if you set an item with the same key.
+
+	@default []
+
+	@example
+	```
+	import transliterate from '@sindresorhus/transliterate';
+
+	transliterate('Я люблю единорогов', {
+		customReplacements: [
+			['единорогов', '🦄']
+		]
+	})
+	//=> 'Ya lyublyu 🦄'
+	```
+	*/
+	readonly customReplacements?: ReadonlyArray<[string, string]>;
 }
 
 /**
@@ -32,7 +30,7 @@ Convert Unicode characters to Latin characters using [transliteration](https://e
 
 @example
 ```
-import transliterate = require('@sindresorhus/transliterate');
+import transliterate from '@sindresorhus/transliterate';
 
 transliterate('Fußgängerübergänge');
 //=> 'Fussgaengeruebergaenge'
@@ -47,9 +45,4 @@ transliterate('tôi yêu những chú kỳ lân');
 //=> 'toi yeu nhung chu ky lan'
 ```
 */
-declare function transliterate(
-	string: string,
-	options?: transliterate.Options
-): string;
-
-export = transliterate;
+export default function transliterate(string: string, options?: Options): string;

index.js

@@ -1,7 +1,6 @@
-'use strict';
-const deburr = require('lodash.deburr');
-const escapeStringRegexp = require('escape-string-regexp');
-const builtinReplacements = require('./replacements');
+import deburr from 'lodash.deburr';
+import escapeStringRegexp from 'escape-string-regexp';
+import builtinReplacements from './replacements.js';
 
 const doCustomReplacements = (string, replacements) => {
 	for (const [key, value] of replacements) {
@@ -12,7 +11,7 @@ const doCustomReplacements = (string, replacements) => {
 	return string;
 };
 
-module.exports = (string, options) => {
+export default function transliterate(string, options) {
 	if (typeof string !== 'string') {
 		throw new TypeError(`Expected a string, got \`${typeof string}\``);
 	}
@@ -32,4 +31,4 @@ module.exports = (string, options) => {
 	string = deburr(string);
 
 	return string;
-};
+}

index.test-d.ts

@@ -1,5 +1,5 @@
 import {expectType} from 'tsd';
-import transliterate = require('.');
+import transliterate from './index.js';
 
 expectType<string>(transliterate('Я люблю единорогов'));
 expectType<string>(

package.json

@@ -10,8 +10,10 @@
 		"email": "[email protected]",
 		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=10"
+		"node": ">=12"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -35,12 +37,12 @@
 		"replace"
 	],
 	"dependencies": {
-		"escape-string-regexp": "^2.0.0",
+		"escape-string-regexp": "^5.0.0",
 		"lodash.deburr": "^4.1.0"
 	},
 	"devDependencies": {
-		"ava": "^2.4.0",
-		"tsd": "^0.11.0",
-		"xo": "^0.26.1"
+		"ava": "^3.15.0",
+		"tsd": "^0.14.0",
+		"xo": "^0.38.2"
 	}
 }

readme.md

@@ -13,7 +13,7 @@ $ npm install @sindresorhus/transliterate
 ## Usage
 
 ```js
-const transliterate = require('@sindresorhus/transliterate');
+import transliterate from '@sindresorhus/transliterate';
 
 transliterate('Fußgängerübergänge');
 //=> 'Fussgaengeruebergaenge'
@@ -54,7 +54,7 @@ The replacements are run on the original string before any other transformations
 This only overrides a default replacement if you set an item with the same key.
 
 ```js
-const transliterate = require('@sindresorhus/transliterate');
+import transliterate from '@sindresorhus/transliterate';
 
 transliterate('Я люблю единорогов', {
 	customReplacements: [

replacements.js

@@ -1,6 +1,4 @@
-'use strict';
-
-module.exports = [
+const replacements = [
 	// German umlauts
 	['ß', 'ss'],
 	['ä', 'ae'],
@@ -795,3 +793,5 @@ module.exports = [
 	// ['ø', 'oe'],
 	// ['å', 'aa']
 ];
+
+export default replacements;

test.js

@@ -1,6 +1,6 @@
 import test from 'ava';
-import transliterate from '.';
-import replacements from './replacements';
+import transliterate from './index.js';
+import replacements from './replacements.js';
 
 test('main', t => {
 	t.is(transliterate('Foo ÿ'), 'Foo y');
@@ -130,4 +130,3 @@ test.failing('supports Swedish', t => {
 test('supports Ukrainian', t => {
 	t.is(transliterate('Є Ґ ї'), 'Ye G yi');
 });
-