[misc] Add optional parameter keepOffset to toISOString (#4357)

Update the typescript definition file to include the optional parameter keepOffset which was introduced in 2.20.0

diff --git a/moment.d.ts b/moment.d.ts
index cdca9da0f2e08b65ddc702d221e83c6e51b49f46..0e749336074b6f66b122e0b2bd17a2c4837d7ce7 100644 (file)
--- a/moment.d.ts
+++ b/moment.d.ts
@@ -542,7 +542,7 @@ declare namespace moment {
 
     toArray(): number[];
     toDate(): Date;
-    toISOString(): string;
+    toISOString(keepOffset?: boolean): string;
     inspect(): string;
     toJSON(): string;
     unix(): number;