Handle case when value signature is undefined

olafurpg · olafurpg · commit 88633db7b1cb · 2024-04-19T12:00:36.000+02:00
diff --git a/src/FileIndexer.ts b/src/FileIndexer.ts
@@ -461,7 +461,7 @@ export class FileIndexer {
         (ts.isPropertyDeclaration(declaration) && declaration.questionToken) ||
         (ts.isPropertySignature(declaration) && declaration.questionToken)
       )
-      if (isOptional) {
+      if (isOptional && signature.value_signature.tpe !== undefined) {
         signature.value_signature.tpe = this.makeOptional(
           signature.value_signature.tpe
         )

Original file line number	Diff line number	Diff line change
`@@ -461,7 +461,7 @@ export class FileIndexer {`
`461`	`461`	`(ts.isPropertyDeclaration(declaration) && declaration.questionToken) \|\|`
`462`	`462`	`(ts.isPropertySignature(declaration) && declaration.questionToken)`
`463`	`463`	`)`
`464`		`- if (isOptional) {`
	`464`	`+ if (isOptional && signature.value_signature.tpe !== undefined) {`
`465`	`465`	`signature.value_signature.tpe = this.makeOptional(`
`466`	`466`	`signature.value_signature.tpe`
`467`	`467`	`)`