Update ESLint

Author: hudochenkov

lib/getComments.js

@@ -23,7 +23,7 @@ function beforeNode(comments, previousNode, node, currentInitialIndex) {
 	previousNode.position = node.position;
 	previousNode.initialIndex = initialIndex - 0.0001;
 
-	const newComments = [previousNode].concat(comments);
+	const newComments = [previousNode, ...comments];
 
 	return beforeNode(newComments, previousNode.prev(), node, previousNode.initialIndex);
 }
@@ -43,7 +43,7 @@ function afterNode(comments, nextNode, node, currentInitialIndex) {
 	nextNode.position = node.position;
 	nextNode.initialIndex = initialIndex + 0.0001;
 
-	return afterNode(comments.concat(nextNode), nextNode.next(), node, nextNode.initialIndex);
+	return afterNode([...comments, nextNode], nextNode.next(), node, nextNode.initialIndex);
 }
 
 // eslint-disable-next-line max-params
@@ -70,7 +70,7 @@ function beforeDeclaration(comments, previousNode, nodeData, currentInitialIndex
 	// add a marker
 	previousNode.sortProperty = true;
 
-	const newComments = [commentData].concat(comments);
+	const newComments = [commentData, ...comments];
 
 	return beforeDeclaration(newComments, previousNode.prev(), nodeData, commentData.initialIndex);
 }
@@ -100,7 +100,7 @@ function afterDeclaration(comments, nextNode, nodeData, currentInitialIndex) {
 	nextNode.sortProperty = true;
 
 	return afterDeclaration(
-		comments.concat(commentData),
+		[...comments, commentData],
 		nextNode.next(),
 		nodeData,
 		commentData.initialIndex

lib/order/processLastComments.js

@@ -3,7 +3,7 @@ module.exports = function processLastComments(node, index, processedNodes) {
 		node.position = Infinity;
 		node.initialIndex = index;
 
-		return processedNodes.concat(node);
+		return [...processedNodes, node];
 	}
 
 	return processedNodes;

lib/order/processMostNodes.js

@@ -18,5 +18,5 @@ module.exports = function processMostNodes(node, index, order, processedNodes) {
 	// If comment on same line with the node and node, use node's indexes for comment
 	const commentsAfter = getComments.afterNode([], node.next(), node);
 
-	return processedNodes.concat(commentsBefore, node, commentsAfter);
+	return [...processedNodes, ...commentsBefore, node, ...commentsAfter];
 };

lib/properties-order/__tests__/vendor.test.js

@@ -3,13 +3,13 @@ let vendor = require('../vendor');
 const VALUE = '-1px -1px 1px rgba(0, 0, 0, 0.2) inset';
 
 it('returns prefix', () => {
-	expect(vendor.prefix('-moz-color')).toEqual('-moz-');
-	expect(vendor.prefix('color')).toEqual('');
-	expect(vendor.prefix(VALUE)).toEqual('');
+	expect(vendor.prefix('-moz-color')).toBe('-moz-');
+	expect(vendor.prefix('color')).toBe('');
+	expect(vendor.prefix(VALUE)).toBe('');
 });
 
 it('returns unprefixed version', () => {
-	expect(vendor.unprefixed('-moz-color')).toEqual('color');
-	expect(vendor.unprefixed('color')).toEqual('color');
+	expect(vendor.unprefixed('-moz-color')).toBe('color');
+	expect(vendor.unprefixed('color')).toBe('color');
 	expect(vendor.unprefixed(VALUE)).toEqual(VALUE);
 });

lib/properties-order/sortNodeProperties.js

@@ -53,7 +53,7 @@ module.exports = function sortNodeProperties(node, { order, unspecifiedPropertie
 			// If comment on same line with the node and node, use node's indexes for comment
 			let commentsAfter = getComments.afterDeclaration([], childNode.next(), propData);
 
-			declarations = declarations.concat(commentsBefore, propData, commentsAfter);
+			declarations = [...declarations, ...commentsBefore, propData, ...commentsAfter];
 		}
 	});