fix: fix flow error

Author: wood1986

jest/index.js

@@ -17,6 +17,7 @@ export const mockAndroidDialogDateChange = (datePickedByUser: Date) => {
       return {
         action: DATE_SET_ACTION,
         timestamp: pickedDate.getTime(),
+        utcOffset: 0,
       };
     }
     return (fakeDateTimePickerAndroidOpener: PresentPickerCallback);

src/types.js

@@ -36,8 +36,8 @@ export type NativeEventIOS = SyntheticEvent<
 export type DateTimePickerEvent = {
   type: AndroidEvtTypes,
   nativeEvent: $ReadOnly<{
-    timestamp?: number,
-    utcOffset: number,
+    timestamp: number,
+    utcOffset?: number,
     ...
   }>,
   ...
@@ -94,15 +94,13 @@ type ViewPropsWithoutChildren = $Diff<
 export type BaseProps = $ReadOnly<{|
   ...ViewPropsWithoutChildren,
   ...DateOptions,
-
   /**
    * Timezone in database name.
    *
    * By default, the date picker will use the device's timezone. With this
-   * parameter, it is possible to force a certain timezone offset. For
-   * instance, to show times in Pacific Standard Time
+   * parameter, it is possible to force a certain timezone based on IANA
    */
-  timeZoneName?: string,
+  timeZoneName?: ?string,
 |}>;
 
 export type IOSNativeProps = $ReadOnly<{|
@@ -223,11 +221,8 @@ export type TimePickerOptions = {|
 
 export type DateTimePickerResult = $ReadOnly<{|
   action: 'timeSetAction' | 'dateSetAction' | 'dismissedAction',
-  year: number,
-  month: number,
-  day: number,
-  hour: number,
-  minute: number,
+  timestamp: number,
+  utcOffset: number,
 |}>;
 
 export type RCTDateTimePickerNative = Class<HostComponent<IOSNativeProps>>;

src/utils.js

@@ -36,16 +36,19 @@ export function sharedPropsValidation({
   timeZoneOffsetInMinutes,
 }: {
   value: ?Date,
-  timeZoneName: ?string,
-  timeZoneOffsetInMinutes: ?number,
+  timeZoneName?: ?string,
+  timeZoneOffsetInMinutes?: ?number,
 }) {
   invariant(value, 'A date or time must be specified as `value` prop');
   invariant(
     value instanceof Date,
     '`value` prop must be an instance of Date object',
   );
   invariant(
-    !(timeZoneName && timeZoneOffsetInMinutes),
+    timeZoneName == null ||
+      timeZoneName === undefined ||
+      timeZoneOffsetInMinutes == null ||
+      timeZoneOffsetInMinutes === undefined,
     '`timeZoneName` and `timeZoneOffsetInMinutes` cannot be specified at the same time',
   );
 }

test/userlandTestExamples.test.js

@@ -9,6 +9,7 @@ import DateTimePicker from '../src/index';
 // $FlowExpectedError: complains about import path
 import {DateTimePickerAndroid} from '../src/DateTimePickerAndroid.android';
 
+// $FlowFixMe[untyped-import]
 import {render, fireEvent, waitFor} from '@testing-library/react-native';
 import {createDateTimeSetEvtParams} from '../src/index';
 import {mockAndroidDialogDateChange, mockAndroidDialogDismissal} from '../jest';