Merge pull request #19 from ljharb/babel

add Babel, extend compat to node 0.10

.babelrc

@@ -0,0 +1,14 @@
+{
+	"presets": [
+		[
+			"@babel/preset-env",
+			{
+				"targets": { "node": "0.10" },
+				"bugfixes": true,
+				"spec": true,
+				"useBuiltIns": false,
+				"shippedProposals": true
+			}
+		]
+	]
+}

.github/workflows/tests.yml

@@ -7,6 +7,8 @@ jobs:
     uses: ljharb/actions/.github/workflows/node-majors.yml@main
     with:
       range: '>= 12'
+      build-command: npm run build
+      build-output-dir: lib/
       command: npm run tests-only
       coverage: coveralls
 

.gitignore

@@ -2,3 +2,4 @@
 .nyc_output/
 coverage/
 node_modules/
+lib/

package.json

@@ -17,8 +17,11 @@
 	},
 	"license": "MIT",
 	"scripts": {
+		"prepublishOnly": "npm run build",
+		"prebuild": "rimraf lib && mkdirp lib",
+		"build": "babel src -d lib",
 		"lint": "eslint --ext=js,mjs .",
-		"tests-only": "nyc mocha ./test/",
+		"tests-only": "nyc mocha --recursive test",
 		"pretest": "npm run lint",
 		"test": "npm run tests-only"
 	},
@@ -34,16 +37,20 @@
 		"language-subtag-registry": "^0.3.20"
 	},
 	"devDependencies": {
+		"@babel/cli": "^7.22.10",
+		"@babel/preset-env": "^7.22.10",
 		"coveralls": "^3.1.1",
 		"eslint": "^8.47.0",
-		"mocha": "^10.2.0",
-		"nyc": "^15.1.0"
+		"mkdirp": "^0.5.6",
+		"mocha": "^3.5.3",
+		"nyc": "^10.3.2",
+		"rimraf": "^2.7.1"
 	},
 	"files": [
 		"/lib"
 	],
 	"engines": {
-		"node": ">=12"
+		"node": ">=0.10"
 	},
 	"eslintConfig": {
 		"parserOptions": {
@@ -53,6 +60,9 @@
 		"env": {
 			"node": true
 		},
+		"ignorePatterns": [
+			"!.babelrc.js"
+		],
 		"overrides": [
 			{
 				"files": "test/**",

test/lib/SubtagTest.js

@@ -9,19 +9,18 @@
 var assert = require('assert');
 var Subtag = require('../../lib/Subtag');
 
-suite('Subtag', function() {
-
-	test('subtag.type() returns type', function() {
+describe('Subtag', function () {
+	it('subtag.type() returns type', function() {
 		assert.equal(new Subtag('zh', 'language').type(), 'language');
 		assert.equal(new Subtag('IQ', 'region').type(), 'region');
 	});
 
-	test('subtag.descriptions() returns descriptions', function() {
+	it('subtag.descriptions() returns descriptions', function() {
 		assert.deepEqual(new Subtag('IQ', 'region').descriptions(), ['Iraq']);
 		assert.deepEqual(new Subtag('vsv', 'extlang').descriptions(), ['Valencian Sign Language', 'Llengua de signes valenciana']);
 	});
 
-	test('subtag.preferred() returns preferred subtag', function() {
+	it('subtag.preferred() returns preferred subtag', function() {
 		var subtag, preferred;
 
 		// Extlang
@@ -60,7 +59,7 @@ suite('Subtag', function() {
 		assert.equal(subtag.preferred(), null);
 	});
 
-	test('subtag.script() returns suppress-script as subtag', function() {
+	it('subtag.script() returns suppress-script as subtag', function() {
 		var subtag, script;
 
 		subtag = new Subtag('en', 'language');
@@ -76,32 +75,32 @@ suite('Subtag', function() {
 		assert.equal(script, null);
 	});
 
-	test('subtag.scope() returns scope', function() {
+	it('subtag.scope() returns scope', function() {
 		assert.equal(new Subtag('zh', 'language').scope(), 'macrolanguage');
 		assert.equal(new Subtag('nah', 'language').scope(), 'collection');
 		assert.equal(new Subtag('en', 'language').scope(), null);
 		assert.equal(new Subtag('IQ', 'region').scope(), null);
 	});
 
-	test('subtag.deprecated() returns deprecation date if available', function() {
+	it('subtag.deprecated() returns deprecation date if available', function() {
 
 		// German Democratic Republic
 		assert.equal(new Subtag('DD', 'region').deprecated(), '1990-10-30');
 		assert.equal(new Subtag('DE', 'region').deprecated(), null);
 	});
 
-	test('subtag.added() returns date added', function() {
+	it('subtag.added() returns date added', function() {
 		assert.equal(new Subtag('DD', 'region').added(), '2005-10-16');
 		assert.equal(new Subtag('DG', 'region').added(), '2009-07-29');
 	});
 
-	test('subtag.comments() returns comments', function() {
+	it('subtag.comments() returns comments', function() {
 
 		// Yugoslavia
 		assert.deepEqual(new Subtag('YU', 'region').comments(), ['see BA, HR, ME, MK, RS, or SI']);
 	});
 
-	test('subtag.format() formats subtag according to conventions', function() {
+	it('subtag.format() formats subtag according to conventions', function() {
 
 		// Language
 		assert.equal(new Subtag('en', 'language').format(), 'en');