Update TypeScript definitions for strict null checks (#82)

goto100 · Feb 25, 2020 · b1ecd12 · b1ecd12
1 parent b9190d8
commit b1ecd12
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/xpath.d.ts b/xpath.d.ts
@@ -3,9 +3,9 @@
 type SelectedValue = Node | Attr | string | number | boolean;
 interface XPathSelect {
     (expression: string, node?: Node): Array<SelectedValue>;
-    (expression: string, node: Node, single: true): SelectedValue;
+    (expression: string, node: Node, single: true): SelectedValue | undefined;
 }
 export var select: XPathSelect;
-export function select1(expression: string, node?: Node): SelectedValue;
-export function evaluate(expression: string, contextNode: Node, resolver: XPathNSResolver, type: number, result: XPathResult): XPathResult;
+export function select1(expression: string, node?: Node): SelectedValue | undefined;
+export function evaluate(expression: string, contextNode: Node, resolver: XPathNSResolver | null, type: number, result: XPathResult | null): XPathResult;
 export function useNamespaces(namespaceMap: { [name: string]: string }): XPathSelect;