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Turn Flow strict mode on for KeyBoard #22114

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Turn Flow strict mode on for KeyBoard #22114

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7a68fe1
add flow strict
nissy-dev Nov 4, 2018
4fb5f53
fix
nissy-dev Nov 5, 2018
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11 changes: 7 additions & 4 deletions Libraries/Components/Keyboard/Keyboard.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow
* @flow strict-local
*/

'use strict';
Expand Down Expand Up @@ -121,7 +121,10 @@ let Keyboard = {
* @param {string} eventName The `nativeEvent` is the string that identifies the event you're listening for.
* @param {function} callback function to be called when the event fires.
*/
removeListener(eventName: KeyboardEventName, callback: Function) {
removeListener(
eventName: KeyboardEventName,
callback: KeyboardEventListener,
) {
invariant(false, 'Dummy method used for documentation');
},

Expand Down Expand Up @@ -155,12 +158,12 @@ Keyboard = KeyboardEventEmitter;
Keyboard.dismiss = dismissKeyboard;
Keyboard.scheduleLayoutAnimation = function(event: KeyboardEvent) {
const {duration, easing} = event;
if (duration) {
if (duration != null && duration !== 0) {
LayoutAnimation.configureNext({
duration: duration,
update: {
duration: duration,
type: (easing && LayoutAnimation.Types[easing]) || 'keyboard',
type: (easing != null && LayoutAnimation.Types[easing]) || 'keyboard',
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@elicwhite elicwhite Nov 4, 2018 •
edited
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👍

This one doesn't need the check for empty string because LayoutAnimation.Types because easing is a key and would be indexing into .Types which probably doesn't have a defined key for the empty string. :)

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@elicwhite elicwhite Nov 4, 2018 •
edited
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In fact, the easing type at the top of this file could probably be even stronger by using Type from LayoutAnimation.js instead of string.

},
});
}
Expand Down