react-native-gesture-handler/lib/commonjs/web_hammer/NodeManager.js

Declarative API exposing native platform touch and gesture system to React Native

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createGestureHandler = createGestureHandler;
exports.dropGestureHandler = dropGestureHandler;
exports.gestures = void 0;
exports.getHandler = getHandler;
exports.getNodes = getNodes;
const gestures = exports.gestures = {};
function getHandler(tag) {
  if (tag in gestures) {
    return gestures[tag];
  }
  throw new Error(`No handler for tag ${tag}`);
}
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;
}
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];
}
function getNodes() {
  return {
    ...gestures
  };
}
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