chore: drop support for Node.js 4

BREAKING CHANGE
Drop Node.js 4 support

Author: marionebl

.travis.yml

@@ -1,8 +1,8 @@
 language: node_js
 node_js:
+  - '10'
   - '8'
   - '6'
-  - '4'
 install:
   - npm install -g npx
   - npx yarn install

@commitlint/cli/package.json

@@ -84,6 +84,6 @@
     "get-stdin": "5.0.1",
     "lodash.merge": "4.6.1",
     "lodash.pick": "4.4.0",
-    "meow": "4.0.0"
+    "meow": "^5.0.0"
   }
 }

@commitlint/resolve-extends/src/index.js

@@ -89,14 +89,13 @@ function resolveConfig(raw, context = {}) {
 
 function resolveId(id, context = {}) {
 	const cwd = context.cwd || process.cwd();
-	const localPath = resolveFrom.silent(cwd, id);
+	const localPath = resolveFromSilent(cwd, id);
 
 	if (typeof localPath === 'string') {
 		return localPath;
 	}
 
-	const resolveGlobal = requireUncached('resolve-global');
-	const globalPath = resolveGlobal.silent(id);
+	const globalPath = resolveGlobalSilent(id);
 
 	if (typeof globalPath === 'string') {
 		return globalPath;
@@ -106,3 +105,16 @@ function resolveId(id, context = {}) {
 	err.code = 'MODULE_NOT_FOUND';
 	throw err;
 }
+
+function resolveFromSilent(cwd, id) {
+	try {
+		return resolveFrom(cwd, id);
+	} catch (err) {}
+}
+
+function resolveGlobalSilent(id) {
+	try {
+		const resolveGlobal = requireUncached('resolve-global');
+		return resolveGlobal(id);
+	} catch (err) {}
+}

@packages/babel-preset-commitlint/index.js

@@ -28,7 +28,7 @@ function preset() {
 				{
 					debug: process.env.DEBUG === 'true',
 					exclude: ['transform-regenerator', 'transform-async-to-generator'],
-					targets: {node: '4.8'}
+					targets: {node: '6'}
 				}
 			]
 		]

README.md

@@ -124,7 +124,7 @@ is room and need for improvement. The items on the roadmap should enhance `commi
 
 ## Version Support
 
-* Node.js [LTS](https://github.com/nodejs/LTS#lts-schedule) `>= 4.8`
+* Node.js [LTS](https://github.com/nodejs/LTS#lts-schedule) `>= 6`
 * git `>= 2`
 
 ## Related projects

appveyor.yml

@@ -1,6 +1,6 @@
 environment:
   matrix:
-    - nodejs_version: '6'
+    - nodejs_version: '8'
 install:
   - ps: Install-Product node $env:nodejs_version
   - set CI=true

package.json

@@ -66,7 +66,7 @@
     "@packages/*"
   ],
   "engines": {
-    "node": ">=4"
+    "node": ">=6"
   },
   "repository": {
     "type": "git",

yarn.lock

@@ -5135,6 +5135,20 @@ [email protected], meow@^4.0.0:
     redent "^2.0.0"
     trim-newlines "^2.0.0"
 
+meow@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.npmjs.org/meow/-/meow-5.0.0.tgz#dfc73d63a9afc714a5e371760eb5c88b91078aa4"
+  dependencies:
+    camelcase-keys "^4.0.0"
+    decamelize-keys "^1.0.0"
+    loud-rejection "^1.0.0"
+    minimist-options "^3.0.1"
+    normalize-package-data "^2.3.4"
+    read-pkg-up "^3.0.0"
+    redent "^2.0.0"
+    trim-newlines "^2.0.0"
+    yargs-parser "^10.0.0"
+
 [email protected]:
   version "1.2.1"
   resolved "https://registry.npmjs.org/merge2/-/merge2-1.2.1.tgz#271d2516ff52d4af7f7b710b8bf3e16e183fef66"
@@ -7983,6 +7997,12 @@ yargonaut@^1.1.2:
     figlet "^1.1.1"
     parent-require "^1.0.0"
 
+yargs-parser@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.0.0.tgz#c737c93de2567657750cb1f2c00be639fd19c994"
+  dependencies:
+    camelcase "^4.1.0"
+
 yargs-parser@^5.0.0:
   version "5.0.0"
   resolved "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz#275ecf0d7ffe05c77e64e7c86e4cd94bf0e1228a"