Merge pull request #26165 from eps1lon/argparse-fix-addArgument

fix(argparse): addArgument accepts strings

types/argparse/argparse-tests.ts

@@ -20,6 +20,12 @@ simpleExample.addArgument(
         help: 'bar foo',
     }
 );
+simpleExample.addArgument(
+    'positional',
+    {
+        help: 'bar foo',
+    }
+);
 
 simpleExample.printHelp();
 console.log('-----------');

types/argparse/index.d.ts

@@ -2,6 +2,7 @@
 // Project: https://github.com/nodeca/argparse
 // Definitions by: Andrew Schurman <https://github.com/arcticwaters>
 //                 Tomasz Łaziuk <https://github.com/tlaziuk>
+//                 Sebastian Silbermann <https://github.com/eps1lon>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2
 
@@ -34,7 +35,7 @@ export class SubParser {
 }
 
 export class ArgumentGroup {
-    addArgument(args: string[], options?: ArgumentOptions): void;
+    addArgument(args: string[] | string, options?: ArgumentOptions): void;
     addArgumentGroup(options?: ArgumentGroupOptions): ArgumentGroup;
     addMutuallyExclusiveGroup(options?: { required: boolean }): ArgumentGroup;
     setDefaults(options?: {}): void;