Make suffix configurable (#3)

Fixes #2

index.js

@@ -44,13 +44,17 @@ const linux = name => {
 	};
 };
 
-module.exports = name => {
+module.exports = (name, opts) => {
 	if (typeof name !== 'string') {
 		throw new TypeError(`Expected string, got ${typeof name}`);
 	}
 
-	// add suffix to prevent possible conflict with native apps
-	name += '-nodejs';
+	opts = Object.assign({suffix: 'nodejs'}, opts);
+
+	if (opts.suffix) {
+		// add suffix to prevent possible conflict with native apps
+		name += `-${opts.suffix}`;
+	}
 
 	if (process.platform === 'darwin') {
 		return macos(name);

readme.md

@@ -22,18 +22,45 @@ paths.data;
 paths.config
 //=> '/home/sindresorhus/.config/MyApp-nodejs'
 ```
+### You can optionally pass a custom suffix
 
+```js
+const paths = envPaths('MyApp', {suffix: 'electron'});
+
+paths.data;
+//=> '/home/sindresorhus/.local/share/MyApp-electron'
+```
+
+### ...or disable it completely
+
+```js
+const paths = envPaths('MyApp', {suffix: ''});
+
+paths.data;
+//=> '/home/sindresorhus/.local/share/MyApp'
+```
 
 ## API
 
-### paths = envPaths(name)
+### paths = envPaths(name, [options])
 
 #### name
 
 Type: `string`
 
 Name of your project. Used to generate the paths.
 
+#### options
+
+##### suffix
+
+Type: `string`  
+Default: `nodejs`
+
+Optional suffix appended to the project name, to avoid conflicts with native
+apps using the same name. Pass an empty string to disable.
+
+
 ### paths.data
 
 Directory for data files.

test.js

@@ -1,13 +1,46 @@
 import test from 'ava';
 import m from './';
 
-test(t => {
+test('default options', t => {
 	const name = 'unicorn';
 	const paths = m(name);
 
+	console.log(`name: '${name}' opts = undefined`);
+
+	Object.keys(paths).forEach(key => {
+		const val = paths[key];
+		console.log(`  ${key}: ${val}`);
+		t.true(val.endsWith(`${name}-nodejs`));
+	});
+
+	console.log('\n');
+});
+
+test('custom suffix', t => {
+	const name = 'unicorn';
+	const opts = {suffix: 'horn'};
+	const paths = m(name, opts);
+
+	console.log(`name: '${name}' opts = {suffix: '${opts.suffix}'}`);
+
+	Object.keys(paths).forEach(key => {
+		const val = paths[key];
+		console.log(`  ${key}: ${val}`);
+		t.true(val.endsWith(`${name}-${opts.suffix}`));
+	});
+
+	console.log('\n');
+});
+
+test('no suffix', t => {
+	const name = 'unicorn';
+	const paths = m(name, {suffix: ''});
+
+	console.log(`name: '${name}' opts = {suffix: ''}`);
+
 	Object.keys(paths).forEach(key => {
 		const val = paths[key];
-		console.log(`${key}: ${val}`);
-		t.true(val.includes(name));
+		console.log(`  ${key}: ${val}`);
+		t.true(val.endsWith(`${name}`));
 	});
 });