From d5bf9d2f474f52282b5fcdf3dee02148b800dd25 Mon Sep 17 00:00:00 2001
From: Wout Schellaert <wout.schellaert@gmail.com>
Date: Wed, 29 Nov 2017 10:38:28 +0100
Subject: [PATCH] sparqlee: Fix class datatypes

---
 packages/sparqlee/src/evaluator/expressions/Terms.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/sparqlee/src/evaluator/expressions/Terms.ts b/packages/sparqlee/src/evaluator/expressions/Terms.ts
index 39ffbb253e..aaf99fc5a7 100644
--- a/packages/sparqlee/src/evaluator/expressions/Terms.ts
+++ b/packages/sparqlee/src/evaluator/expressions/Terms.ts
@@ -205,7 +205,7 @@ export class TypedLiteral<T> extends BaseLiteral<T> {
 
 
 export class BooleanLiteral extends TypedLiteral<boolean> {
-    dataType: DT.XSD_BOOLEAN;
+    dataType: DT.XSD_BOOLEAN = DT.XSD_BOOLEAN;
 
     constructor(value: boolean) {
         super(value);
@@ -221,7 +221,7 @@ export class BooleanLiteral extends TypedLiteral<boolean> {
 }
 
 export class StringLiteral extends TypedLiteral<string> {
-    dataType: DT.XSD_STRING;
+    dataType: DT.XSD_STRING = DT.XSD_STRING;
 
     constructor(value: string) {
         super(value);
@@ -322,7 +322,7 @@ export class NumericLiteral extends TypedLiteral<number> {
 }
 
 export class DateTimeLiteral extends TypedLiteral<Date> {
-    dataType: DT.XSD_DATE_TIME;
+    dataType: DT.XSD_DATE_TIME = DT.XSD_DATE_TIME;
 
     constructor(value: Date) {
         super(value);