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Refine Keyboard API Event typings #23272

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17 changes: 12 additions & 5 deletions Libraries/Components/Keyboard/Keyboard.js
Original file line number Diff line number Diff line change
Expand Up @@ -17,14 +17,21 @@ const KeyboardObserver = require('NativeModules').KeyboardObserver;
const dismissKeyboard = require('dismissKeyboard');
const KeyboardEventEmitter = new NativeEventEmitter(KeyboardObserver);

type KeyboardEventName =
export type KeyboardEventName =
| 'keyboardWillShow'
| 'keyboardDidShow'
| 'keyboardWillHide'
| 'keyboardDidHide'
| 'keyboardWillChangeFrame'
| 'keyboardDidChangeFrame';

export type KeyboardEventEasing =
| 'easeIn'
| 'easeInEaseOut'
| 'easeOut'
| 'linear'
| 'keyboard';

type ScreenRect = $ReadOnly<{|
screenX: number,
screenY: number,
Expand All @@ -33,11 +40,11 @@ type ScreenRect = $ReadOnly<{|
|}>;

export type KeyboardEvent = $ReadOnly<{|
duration?: number,
easing?: string,
duration: number,
easing: KeyboardEventEasing,
endCoordinates: ScreenRect,
startCoordinates?: ScreenRect,
isEventFromThisApp?: boolean,
startCoordinates: ScreenRect,
isEventFromThisApp: boolean,
|}>;

type KeyboardEventListener = (e: KeyboardEvent) => void;
Expand Down