bump dev-dependencies

Author: schnittstabil

index.js

@@ -29,9 +29,9 @@ const getEnumerableOwnPropertyKeys = value => {
 	if (Object.getOwnPropertySymbols) {
 		const symbols = Object.getOwnPropertySymbols(value);
 
-		for (let i = 0; i < symbols.length; i++) {
-			if (propertyIsEnumerable.call(value, symbols[i])) {
-				keys.push(symbols[i]);
+		for (const symbol of symbols) {
+			if (propertyIsEnumerable.call(value, symbol)) {
+				keys.push(symbol);
 			}
 		}
 	}
@@ -127,9 +127,7 @@ const concatArrays = (merged, source, config) => {
 		}
 
 		// Merge non-index keys
-		result = mergeKeys(result, array, getEnumerableOwnPropertyKeys(array).filter(key => {
-			return indices.indexOf(key) === -1;
-		}), config);
+		result = mergeKeys(result, array, getEnumerableOwnPropertyKeys(array).filter(key => !indices.includes(key)), config);
 	});
 
 	return result;

package.json

@@ -30,11 +30,11 @@
     "clone"
   ],
   "devDependencies": {
-    "ava": "^1.3.1",
+    "ava": "^2.4.0",
     "coveralls": "^3.0.3",
-    "nyc": "^11.9.0",
-    "rimraf": "^2.6.3",
-    "xo": "^0.24.0"
+    "nyc": "^14.1.1",
+    "rimraf": "^3.0.0",
+    "xo": "^0.25.3"
   },
   "dependencies": {
     "is-plain-obj": "^1.1"

test/option-values.js

@@ -4,7 +4,7 @@ import mergeOptions from '..';
 function toString(value) {
 	try {
 		return String(value);
-	} catch (error) {
+	} catch (_) {
 		return typeof value;
 	}
 }
@@ -81,7 +81,7 @@ test('support Promise as target, Promise as source', async t => {
 	const promise2 = Promise.resolve(42);
 	const result = mergeOptions({promise: promise1}, {promise: promise2});
 	t.is(result.promise.constructor, Promise);
-	t.deepEqual(await result.promise, 42);
+	t.is(await result.promise, 42);
 });
 
 test('support user-defined object as target, user-defined object as source', t => {