feat: byA11yValue matcher (#262)

typings/__tests__/index.test.tsx

@@ -169,6 +169,11 @@ const getAllByA11yState: Array<ReactTestInstance> = tree.getAllByA11yState({ bus
 const queryByA11yState: ReactTestInstance = tree.queryByA11yState({ busy: true });
 const queryAllByA11yState: Array<ReactTestInstance> = tree.queryAllByA11yState({ busy: true });
 
+const getByA11yValue: ReactTestInstance = tree.getByA11yValue({ min: 10 });
+const getAllByA11yValue: Array<ReactTestInstance> = tree.getAllByA11yValue({ min: 10 });
+const queryByA11yValue: ReactTestInstance = tree.queryByA11yValue({ min: 10 });
+const queryAllByA11yValue: Array<ReactTestInstance> = tree.queryAllByA11yValue({ min: 10 });
+
 const debugFn = tree.debug();
 const debugFnWithMessage = tree.debug('my message');
 

typings/index.d.ts

@@ -68,6 +68,14 @@ type GetAllReturn = Array<ReactTestInstance>;
 type QueryReturn = ReactTestInstance | null;
 type QueryAllReturn = Array<ReactTestInstance> | [];
 
+// Not yet available in DefinitelyTyped
+export type A11yValue = {
+  min?: number,
+  max?: number,
+  now?: number,
+  text?: string,
+};
+
 type A11yAPI = {
   // Label
   getByA11yLabel: (matcher: string | RegExp) => GetReturn,
@@ -98,6 +106,12 @@ type A11yAPI = {
   getAllByA11yState: (matcher: AccessibilityState) => GetAllReturn,
   queryByA11yState: (matcher: AccessibilityState) => QueryReturn,
   queryAllByA11yState: (matcher: AccessibilityState) => QueryAllReturn,
+
+  // Value
+  getByA11yValue: (matcher: A11yValue) => GetReturn,
+  getAllByA11yValue: (matcher: A11yValue) => GetAllReturn,
+  queryByA11yValue: (matcher: A11yValue) => QueryReturn,
+  queryAllByA11yValue: (matcher: A11yValue) => QueryAllReturn,
 };
 
 export interface Thenable {