From 69fc2ddd5a8650db266ef73002c8a3352af6bf80 Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@gmail.com>
Date: Mon, 30 Dec 2024 11:31:13 -0500
Subject: [PATCH] fix: throw descriptive error when inserting variable
 statement with no declarations

---
 .../statement/VariableStatementStructurePrinter.ts              | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/ts-morph/src/structurePrinters/statement/VariableStatementStructurePrinter.ts b/packages/ts-morph/src/structurePrinters/statement/VariableStatementStructurePrinter.ts
index 515fbf526..b38ab5ee5 100644
--- a/packages/ts-morph/src/structurePrinters/statement/VariableStatementStructurePrinter.ts
+++ b/packages/ts-morph/src/structurePrinters/statement/VariableStatementStructurePrinter.ts
@@ -17,6 +17,8 @@ export class VariableStatementStructurePrinter extends NodePrinter<OptionalKind<
     writer.hangingIndent(() => {
       this.factory.forModifierableNode().printText(writer, structure);
       writer.write(`${structure.declarationKind || VariableDeclarationKind.Let} `);
+      if (structure.declarations.length === 0)
+        throw new Error("You must provide at least one declaration when inserting a variable statement.");
       this.factory.forVariableDeclaration().printTexts(writer, structure.declarations);
       writer.write(";");
     });