Require Node.js 12 and move to ESM

.github/workflows/main.yml

@@ -12,9 +12,6 @@ jobs:
         node-version:
           - 14
           - 12
-          - 10
-          - 8
-          - 6
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1

index.d.ts

@@ -1,23 +1,14 @@
-declare const sdbm: {
-	/**
-	[SDBM](http://www.cse.yorku.ca/~oz/hash.html#sdbm) non-cryptographic hash function.
+/**
+[SDBM](http://www.cse.yorku.ca/~oz/hash.html#sdbm) non-cryptographic hash function.
 
-	@returns The hash as a positive integer.
+@returns The hash as a positive integer.
 
-	@example
-	```
-	import sdbm = require('sdbm');
+@example
+```
+import sdbm from 'sdbm';
 
-	sdbm('🦄🌈');
-	//=> 4053542802
-	```
-	*/
-	(string: string): number;
-
-	// TODO: remove this in the next major version, refactor the whole definition to:
-	// declare function sdbm(string: string): number;
-	// export = sdbm;
-	default: typeof sdbm;
-};
-
-export = sdbm;
+sdbm('🦄🌈');
+//=> 4053542802
+```
+*/
+export default function sfbm(string: string): number;

index.js

@@ -1,16 +1,10 @@
-'use strict';
-
-const sdbm = string => {
+export default function sdbm(string) {
 	let hash = 0;
 
 	for (let i = 0; i < string.length; i++) {
 		hash = string.charCodeAt(i) + (hash << 6) + (hash << 16) - hash;
 	}
 
-	// Convert it to an unsigned 32-bit integer
+	// Convert it to an unsigned 32-bit integer.
 	return hash >>> 0;
-};
-
-module.exports = sdbm;
-// TODO: remove this in the next major version
-module.exports.default = sdbm;
+}

index.test-d.ts

@@ -1,4 +1,4 @@
 import {expectType} from 'tsd';
-import sdbm = require('.');
+import sdbm from './index.js';
 
 expectType<number>(sdbm('🦄🌈'));

license

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) Sindre Sorhus <[email protected]> (sindresorhus.com)
+Copyright (c) Sindre Sorhus <[email protected]> (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": "SDBM non-cryptographic hash function",
 	"license": "MIT",
 	"repository": "sindresorhus/sdbm",
+	"funding": "https://github.com/sponsors/sindresorhus",
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "[email protected]",
-		"url": "sindresorhus.com"
+		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=6"
+		"node": ">=12"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -28,8 +31,8 @@
 		"function"
 	],
 	"devDependencies": {
-		"ava": "^1.4.1",
-		"tsd": "^0.7.1",
-		"xo": "^0.24.0"
+		"ava": "^3.15.0",
+		"tsd": "^0.14.0",
+		"xo": "^0.38.2"
 	}
 }

readme.md

@@ -4,32 +4,24 @@
 
 [SDBM has good distribution and collisions are rare.](https://softwareengineering.stackexchange.com/questions/49550/which-hashing-algorithm-is-best-for-uniqueness-and-speed/145633#145633)
 
-
 ## Install
 
 ```
 $ npm install sdbm
 ```
 
-
 ## Usage
 
 ```js
-const sdbm = require('sdbm');
+import sdbm from 'sdbm';
 
 sdbm('🦄🌈');
 //=> 4053542802
 ```
 
 It returns the hash as a positive integer.
 
-
 ## Related
 
 - [fnv1a](https://github.com/sindresorhus/fnv1a) - FNV-1a non-cryptographic hash function
 - [djb2a](https://github.com/sindresorhus/djb2a) - DJB2a non-cryptographic hash function
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)

test.js

@@ -1,5 +1,5 @@
 import test from 'ava';
-import sdbm from '.';
+import sdbm from './index.js';
 
 test('main', t => {
 	t.is(sdbm(''), 0);