doc: fix exporting a function example

Aonghus O Nia · MylesBorins · commit e9e5d56121f3 · 2018-04-16T17:46:16.000-04:00
Missing the length argument in napi_create_function. Backport-PR-URL: #19447 PR-URL: #18661 Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de>
diff --git a/doc/api/n-api.md b/doc/api/n-api.md
@@ -916,7 +916,7 @@ For example, to set a function to be returned by the `require()` for the addon:
 napi_value Init(napi_env env, napi_value exports) {
   napi_value method;
   napi_status status;
-  status = napi_create_function(env, "exports", Method, NULL, &method);
+  status = napi_create_function(env, "exports", NAPI_AUTO_LENGTH, Method, NULL, &method);
   if (status != napi_ok) return NULL;
   return method;
 }

Original file line number	Diff line number	Diff line change
@@ -916,7 +916,7 @@ For example, to set a function to be returned by the `require()` for the addon:
`916`	`916`	`napi_value Init(napi_env env, napi_value exports) {`
`917`	`917`	`napi_value method;`
`918`	`918`	`napi_status status;`
`919`		`- status = napi_create_function(env, "exports", Method, NULL, &method);`
	`919`	`+ status = napi_create_function(env, "exports", NAPI_AUTO_LENGTH, Method, NULL, &method);`
`920`	`920`	`if (status != napi_ok) return NULL;`
`921`	`921`	`return method;`
`922`	`922`	`}`