react-native-reanimated
Version:
More powerful alternative to Animated library for React Native.
55 lines • 2.59 kB
JavaScript
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
import NativeReanimatedModule from './NativeReanimated';
import { registerEventHandler, unregisterEventHandler } from './core';
function jsListener(eventName, handler) {
return evt => {
handler({
...evt.nativeEvent,
eventName
});
};
}
export default class WorkletEventHandler {
constructor(worklet) {
let eventNames = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
_defineProperty(this, "worklet", void 0);
_defineProperty(this, "eventNames", void 0);
_defineProperty(this, "reattachNeeded", void 0);
_defineProperty(this, "listeners", void 0);
_defineProperty(this, "viewTag", void 0);
_defineProperty(this, "registrations", void 0);
this.worklet = worklet;
this.eventNames = eventNames;
this.reattachNeeded = false;
this.listeners = {};
this.viewTag = undefined;
this.registrations = [];
if (!NativeReanimatedModule.native) {
this.listeners = eventNames.reduce((acc, eventName) => {
acc[eventName] = jsListener(eventName, worklet);
return acc;
}, {});
}
}
updateWorklet(newWorklet) {
this.worklet = newWorklet;
this.reattachNeeded = true;
}
registerForEvents(viewTag, fallbackEventName) {
this.viewTag = viewTag;
this.registrations = this.eventNames.map(eventName => registerEventHandler(viewTag + eventName, this.worklet));
if (this.registrations.length === 0 && fallbackEventName) {
this.registrations.push(registerEventHandler(viewTag + fallbackEventName, this.worklet));
}
}
registerForEventByName(eventName) {
this.registrations.push(registerEventHandler(eventName, this.worklet));
}
unregisterFromEvents() {
this.registrations.forEach(id => unregisterEventHandler(id));
this.registrations = [];
}
}
//# sourceMappingURL=WorkletEventHandler.js.map