fix: table item title not readable if class.toString not overridden

src/table/table-item.class.spec.ts

@@ -0,0 +1,57 @@
+import { TableItem } from "./index";
+
+describe("TableItem", () => {
+	it("should use title if defined", () => {
+		let tableItem = new TableItem({data: 6, title: "title"});
+
+		expect(tableItem.title).toEqual("title");
+	});
+
+	it("should use data if string", () => {
+		let tableItem = new TableItem({data: "data"});
+
+		expect(tableItem.title).toEqual("data");
+	});
+
+	it("should use toString for native elements", () => {
+		let tableItem = new TableItem({data: true});
+
+		expect(tableItem.title).toEqual("true");
+	});
+
+	it("should use empty if no data", () => {
+		let tableItem = new TableItem({});
+
+		expect(tableItem.title).toEqual("");
+	});
+
+	it("should not use toString if not overridden", () => {
+		let tableItem = new TableItem({data: {}});
+
+		expect(tableItem.title).toEqual("");
+	});
+
+	it("should not use toString if not overridden", () => {
+		class TestClass {
+			constructor(public i = 0) {
+			}
+		}
+		let tableItem = new TableItem({data: new TestClass()});
+
+		expect(tableItem.title).toEqual("");
+	});
+
+
+	it("should not use toString if not overridden", () => {
+		class TestClass {
+			constructor(public i: number) {
+			}
+			toString(): string {
+				return `${this.i}`;
+			}
+		}
+		let tableItem = new TableItem({data: new TestClass(4)});
+
+		expect(tableItem.title).toEqual("4");
+	});
+});

src/table/table-item.class.ts

@@ -121,7 +121,7 @@ export class TableItem {
 
 		if (
 			this.data.toString &&
-			this.data.constructor !== ({}).constructor
+			this.data.toString !== ({}).toString
 		) {
 			return this.data.toString();
 		}