getFileNodes optional params should be optional

Author: edisonchee

README.md

@@ -21,5 +21,6 @@ node dist
 ```
 
 ## Todo
+* NPM publish
 * Cover more API endpoints
 * Write tests

src/figma-api.ts

@@ -13,7 +13,7 @@ export const getFile = (fileId: string, optionalParams?: getFileOptionalParams)
   return request(url);
 }
 
-export const getFileNodes = (fileId: string, nodeIds: string, optionalParams: getFileNodesOptionalParams) => {
+export const getFileNodes = (fileId: string, nodeIds: string, optionalParams?: getFileNodesOptionalParams) => {
   let url = new URL(`https://api.figma.com/v1/files/${ fileId }/nodes`);
   url.searchParams.set('ids', nodeIds);
 
@@ -28,4 +28,4 @@ export const getFileStyles = (fileId: string) => {
   let url = new URL(`https://api.figma.com/v1/files/${ fileId }/styles`);
 
   return request(url);
-}
+}