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

@@ -1,23 +1,21 @@
-declare namespace cleanStack {
-	interface Options {
-		/**
-		Prettify the file paths in the stack:
+export interface Options {
+	/**
+	Prettify the file paths in the stack:
 
-		`/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15` → `~/dev/clean-stack/unicorn.js:2:15`
+	`/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15` → `~/dev/clean-stack/unicorn.js:2:15`
 
-		@default false
-		*/
-		readonly pretty?: boolean;
+	@default false
+	*/
+	readonly pretty?: boolean;
 
-		/**
-		Remove the given base path from stack trace file paths, effectively turning absolute paths into relative ones.
+	/**
+	Remove the given base path from stack trace file paths, effectively turning absolute paths into relative ones.
 
-		Example with `'/Users/sindresorhus/dev/clean-stack/'` as `basePath`:
+	Example with `'/Users/sindresorhus/dev/clean-stack/'` as `basePath`:
 
-		`/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15` → `unicorn.js:2:15`
-		*/
-		readonly basePath?: string;
-	}
+	`/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15` → `unicorn.js:2:15`
+	*/
+	readonly basePath?: string;
 }
 
 /**
@@ -27,7 +25,7 @@ Clean up error stack traces. Removes the mostly unhelpful internal Node.js entri
 
 @example
 ```
-import cleanStack = require('clean-stack');
+import cleanStack from 'clean-stack';
 
 const error = new Error('Missing unicorn');
 
@@ -48,9 +46,4 @@ console.log(cleanStack(error.stack));
 //     at Object.<anonymous> (/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15)
 ```
 */
-declare function cleanStack(
-	stack: string,
-	options?: cleanStack.Options
-): string;
-
-export = cleanStack;
+export default function cleanStack(stack: string, options?: Options): string;

index.js

@@ -1,12 +1,11 @@
-'use strict';
-const os = require('os');
-const escapeStringRegexp = require('escape-string-regexp');
+import os from 'os';
+import escapeStringRegexp from 'escape-string-regexp';
 
 const extractPathRegex = /\s+at.*[(\s](.*)\)?/;
 const pathRegex = /^(?:(?:(?:node|(?:(?:node:)?internal\/[\w/]*|.*node_modules\/(?:babel-polyfill|pirates)\/.*)?\w+)(?:\.js)?:\d+:\d+)|native)/;
 const homeDir = typeof os.homedir === 'undefined' ? '' : os.homedir();
 
-module.exports = (stack, {pretty = false, basePath} = {}) => {
+export default function cleanStack(stack, {pretty = false, basePath} = {}) {
 	const basePathRegex = basePath && new RegExp(`(at | \\()${escapeStringRegexp(basePath)}`, 'g');
 
 	return stack.replace(/\\/g, '/')
@@ -42,4 +41,4 @@ module.exports = (stack, {pretty = false, basePath} = {}) => {
 			return line;
 		})
 		.join('\n');
-};
+}

index.test-d.ts

@@ -1,10 +1,10 @@
 import {expectType} from 'tsd';
-import cleanStack = require('.');
+import cleanStack from './index.js';
 
 const error = new Error('Missing unicorn');
 
 if (error.stack) {
 	expectType<string>(cleanStack(error.stack));
 	expectType<string>(cleanStack(error.stack, {pretty: true}));
-	expectType<string>(cleanStack(error.stack, {basePath: __dirname}));
+	expectType<string>(cleanStack(error.stack, {basePath: 'foo'}));
 }

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 && tsd"
@@ -29,12 +31,12 @@
 		"electron"
 	],
 	"dependencies": {
-		"escape-string-regexp": "4.0.0"
+		"escape-string-regexp": "5.0.0"
 	},
 	"devDependencies": {
-		"ava": "^2.4.0",
-		"tsd": "^0.11.0",
-		"xo": "^0.32.0"
+		"ava": "^3.15.0",
+		"tsd": "^0.14.0",
+		"xo": "^0.38.2"
 	},
 	"browser": {
 		"os": false

readme.md

@@ -15,7 +15,7 @@ $ npm install clean-stack
 ## Usage
 
 ```js
-const cleanStack = require('clean-stack');
+import cleanStack from 'clean-stack';
 
 const error = new Error('Missing unicorn');
 

test.js

@@ -1,6 +1,6 @@
 import os from 'os';
 import test from 'ava';
-import cleanStack from '.';
+import cleanStack from './index.js';
 
 test('default', t => {
 	const pre = 'Error: foo\n    at Test.fn (/Users/sindresorhus/dev/clean-stack/test.js:6:15)';