fix: Make 2nd arg for getQueriesForElement optional and export within for TS types (#68)

Author: pbomb

typings/get-queries-for-element.d.ts

@@ -12,7 +12,7 @@ export type BoundFunctions<T> = {[P in keyof T]: BoundFunction<T[P]>}
 
 export function getQueriesForElement(
   element: HTMLElement,
-  queriesToBind:
+  queriesToBind?:
     | BoundFunctions<typeof queries>
     | BoundFunctions<typeof queries>[],
 ): BoundFunctions<typeof queries>

typings/index.d.ts

@@ -1,8 +1,10 @@
 // TypeScript Version: 2.8
+import {getQueriesForElement} from './get-queries-for-element'
 import * as queries from './queries'
 import * as queryHelpers from './query-helpers'
 
-export {queries, queryHelpers}
+declare const within: typeof getQueriesForElement
+export {queries, queryHelpers, within}
 
 export * from './queries'
 export * from './query-helpers'