fix(TS): add queries typings (#259)

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<!-- What changes are being made? (What feature/bug is being fixed here?) -->

**What**: Add typings for queries in RenderOptions

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**Why**: It's missing. Also in a project I need to add some custom queries.

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**How**:

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- [ ] Documentation
- [ ] Tests
- [ ] Ready to be merged
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The implementation is trickier than I thought. Any comment is appreciated. Also `Query` and `Queries` should probably be declared in `dom-testing-library`. I can create another PR once the implementation of this PR is accepted.

Author: chochihim

typings/index.d.ts

@@ -1,31 +1,44 @@
-import {getQueriesForElement} from 'dom-testing-library'
+import {queries, BoundFunction} from 'dom-testing-library'
 
 export * from 'dom-testing-library'
 
-type GetsAndQueries = ReturnType<typeof getQueriesForElement>
+interface Query extends Function {
+  (container: HTMLElement, ...args): HTMLElement[] | HTMLElement | null
+}
+
+interface Queries {
+  [T: string]: Query
+}
 
-export interface RenderResult extends GetsAndQueries {
+export type RenderResult<Q extends Queries = typeof queries> = {
   container: HTMLElement
   baseElement: HTMLElement
   debug: (baseElement?: HTMLElement | DocumentFragment) => void
   rerender: (ui: React.ReactElement<any>) => void
   unmount: () => boolean
   asFragment: () => DocumentFragment
-}
+} & {[P in keyof Q]: BoundFunction<Q[P]>}
 
-export interface RenderOptions {
+export interface RenderOptions<Q extends Queries = typeof queries> {
   container?: HTMLElement
   baseElement?: HTMLElement
   hydrate?: boolean
+  queries?: Q
 }
 
+type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>
+
 /**
  * Render into a container which is appended to document.body. It should be used with cleanup.
  */
 export function render(
   ui: React.ReactElement<any>,
-  options?: RenderOptions,
+  options?: Omit<RenderOptions, 'queries'>,
 ): RenderResult
+export function render<Q extends Queries>(
+  ui: React.ReactElement<any>,
+  options: RenderOptions<Q>,
+): RenderResult<Q>
 
 /**
  * Unmounts React trees that were mounted with render.