react-native-reanimated
Version:
More powerful alternative to Animated library for React Native.
45 lines • 2.37 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 { NativeEventEmitter, NativeModules, findNodeHandle } from 'react-native';
import { nativeShouldBeMock } from '../reanimated2/PlatformChecker';
export class JSPropUpdater {
static _listener(data) {
const component = JSPropUpdater._tagToComponentMapping.get(data.viewTag);
component && component._updateFromNative(data.props);
}
constructor() {
_defineProperty(this, "_reanimatedEventEmitter", void 0);
let reanimatedModule;
if (nativeShouldBeMock()) {
reanimatedModule = JSPropUpdater._reanimatedModuleMock;
} else {
reanimatedModule = NativeModules.ReanimatedModule;
}
this._reanimatedEventEmitter = new NativeEventEmitter(reanimatedModule);
}
addOnJSPropsChangeListener(animatedComponent) {
const viewTag = findNodeHandle(animatedComponent);
JSPropUpdater._tagToComponentMapping.set(viewTag, animatedComponent);
if (JSPropUpdater._tagToComponentMapping.size === 1) {
this._reanimatedEventEmitter.addListener('onReanimatedPropsChange', JSPropUpdater._listener);
}
}
removeOnJSPropsChangeListener(animatedComponent) {
const viewTag = findNodeHandle(animatedComponent);
JSPropUpdater._tagToComponentMapping.delete(viewTag);
if (JSPropUpdater._tagToComponentMapping.size === 0) {
this._reanimatedEventEmitter.removeAllListeners('onReanimatedPropsChange');
}
}
}
_defineProperty(JSPropUpdater, "_tagToComponentMapping", new Map());
_defineProperty(JSPropUpdater, "_reanimatedModuleMock", {
async addListener() {
// noop
},
async removeListeners() {
// noop
}
});
//# sourceMappingURL=JSPropUpdater.js.map