@tamagui/react-native-web-lite/dist/esm/InteractionManager/index.js

React Native for Web

import { invariant } from "@tamagui/react-native-web-internals";
import EventEmitter from "../vendor/react-native/emitter/_EventEmitter";
import TaskQueue from "./TaskQueue";
import requestIdleCallback from "../modules/requestIdleCallback";
const _emitter = new EventEmitter(), InteractionManager = {
  Events: {
    interactionStart: "interactionStart",
    interactionComplete: "interactionComplete"
  },
  /**
   * Schedule a function to run after all interactions have completed.
   */
  runAfterInteractions(task) {
    const tasks = [], promise = new Promise((resolve) => {
      _scheduleUpdate(), task && tasks.push(task), tasks.push({
        run: resolve,
        name: "resolve " + (task && task.name || "?")
      }), _taskQueue.enqueueTasks(tasks);
    });
    return {
      then: promise.then.bind(promise),
      done: promise.then.bind(promise),
      cancel: () => {
        _taskQueue.cancelTasks(tasks);
      }
    };
  },
  /**
   * Notify manager that an interaction has started.
   */
  createInteractionHandle() {
    _scheduleUpdate();
    const handle = ++_inc;
    return _addInteractionSet.add(handle), handle;
  },
  /**
   * Notify manager that an interaction has completed.
   */
  clearInteractionHandle(handle) {
    invariant(!!handle, "Must provide a handle to clear."), _scheduleUpdate(), _addInteractionSet.delete(handle), _deleteInteractionSet.add(handle);
  },
  addListener: _emitter.addListener.bind(_emitter),
  /**
   *
   * @param deadline
   */
  setDeadline(deadline) {
    _deadline = deadline;
  }
}, _interactionSet = /* @__PURE__ */ new Set(), _addInteractionSet = /* @__PURE__ */ new Set(), _deleteInteractionSet = /* @__PURE__ */ new Set(), _taskQueue = new TaskQueue({ onMoreTasks: _scheduleUpdate });
let _nextUpdateHandle = null, _inc = 0, _deadline = -1;
function _scheduleUpdate() {
  _nextUpdateHandle || (_deadline > 0 ? _nextUpdateHandle = setTimeout(_processUpdate) : _nextUpdateHandle = requestIdleCallback(_processUpdate));
}
function _processUpdate() {
  _nextUpdateHandle = null;
  const interactionCount = _interactionSet.size;
  _addInteractionSet.forEach((handle) => _interactionSet.add(handle)), _deleteInteractionSet.forEach((handle) => _interactionSet.delete(handle));
  const nextInteractionCount = _interactionSet.size;
  if (interactionCount !== 0 && nextInteractionCount === 0 ? _emitter.emit(InteractionManager.Events.interactionComplete) : interactionCount === 0 && nextInteractionCount !== 0 && _emitter.emit(InteractionManager.Events.interactionStart), nextInteractionCount === 0) {
    const begin = Date.now();
    for (; _taskQueue.hasTasksToProcess(); )
      if (_taskQueue.processNext(), _deadline > 0 && Date.now() - begin >= _deadline) {
        _scheduleUpdate();
        break;
      }
  }
  _addInteractionSet.clear(), _deleteInteractionSet.clear();
}
var InteractionManager_default = InteractionManager;
export {
  InteractionManager_default as default
};
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