removing array manipulations

src/nodes/AssemblyLocalDefinition.js

@@ -4,17 +4,9 @@ import { printSeparatedList } from '../common/printer-helpers.js';
 const { line } = doc.builders;
 
 export const AssemblyLocalDefinition = {
-  print: ({ node, path, print }) => {
-    const parts = [
-      'let',
-      printSeparatedList(path.map(print, 'names'), { firstSeparator: line })
-    ];
-
-    if (node.expression !== null) {
-      parts.push(':= ');
-      parts.push(path.call(print, 'expression'));
-    }
-
-    return parts;
-  }
+  print: ({ node, path, print }) => [
+    'let',
+    printSeparatedList(path.map(print, 'names'), { firstSeparator: line }),
+    node.expression ? [':= ', path.call(print, 'expression')] : []
+  ]
 };

src/nodes/ExpressionStatement.js

@@ -5,23 +5,15 @@ const { hardline } = doc.builders;
 
 export const ExpressionStatement = {
   print: ({ node, options, path, print }) => {
-    const parts = [];
+    const comments =
+      path.getParentNode().type === 'IfStatement'
+        ? printComments(node, path, options)
+        : [];
 
-    const parent = path.getParentNode();
-
-    if (parent.type === 'IfStatement') {
-      if (node.comments?.length) {
-        const comments = printComments(node, path, options);
-        if (comments?.length) {
-          parts.push(comments);
-          parts.push(hardline);
-        }
-      }
-    }
-
-    parts.push(path.call(print, 'expression'));
-    parts.push(node.omitSemicolon ? [] : ';');
-
-    return parts;
+    return [
+      comments.length ? [comments, hardline] : [],
+      path.call(print, 'expression'),
+      node.omitSemicolon ? [] : ';'
+    ];
   }
 };