fix: throw descriptive error when inserting variable statement with n…

…o declarations (#1598)
dsherret · Dec 30, 2024 · f4ed887 · f4ed887
1 parent 84613e5
commit f4ed887
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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(";");
     });