react-native-gesture-handler
Version:
Declarative API exposing native platform touch and gesture system to React Native
33 lines (28 loc) • 939 B
JavaScript
export const gestures = {};
export function getHandler(tag) {
if (tag in gestures) {
return gestures[tag];
}
throw new Error(`No handler for tag ${tag}`);
}
export function createGestureHandler(handlerTag, handler) {
if (handlerTag in gestures) {
throw new Error(`Handler with tag ${handlerTag} already exists`);
}
gestures[handlerTag] = handler; // @ts-ignore no types for web handlers yet
gestures[handlerTag].handlerTag = handlerTag;
}
export function dropGestureHandler(handlerTag) {
// Since React 18, there are cases where componentWillUnmount gets called twice in a row
// so skip this if the tag was already removed.
if (!(handlerTag in gestures)) {
return;
}
getHandler(handlerTag).destroy(); // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
delete gestures[handlerTag];
}
export function getNodes() {
return { ...gestures
};
}
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