feat: optimization name

Author: chenjigeng

src/services/completions.ts

@@ -1543,12 +1543,12 @@ namespace ts.Completions {
 
         function getVariableDeclaration(property: Node): VariableDeclaration | undefined {
 
-            const isArrowFunctionExpressionWithoutArrow = (node: Node) => {
+            const isArrowFunctionBody = (node: Node) => {
                 return node.parent && isArrowFunction(node.parent) && node.parent.body === node;
             };
 
             const variableDeclaration = findAncestor(property, (node) => {
-                if (isFunctionBlock(node) || isArrowFunctionExpressionWithoutArrow(node) || isBindingPattern(node)) {
+                if (isFunctionBlock(node) || isArrowFunctionBody(node) || isBindingPattern(node)) {
                     return "quit";
                 }