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

React Native for Web

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all) __defProp(target, name, {
    get: all[name],
    enumerable: true
  });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from)) if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, {
      get: () => from[key],
      enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable
    });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", {
  value: mod,
  enumerable: true
}) : target, mod));
var __toCommonJS = mod => __copyProps(__defProp({}, "__esModule", {
  value: true
}), mod);
var InteractionManager_exports = {};
__export(InteractionManager_exports, {
  InteractionManager: () => InteractionManager
});
module.exports = __toCommonJS(InteractionManager_exports);
var import_react_native_web_internals = require("@tamagui/react-native-web-internals");
var import_EventEmitter = __toESM(require("../vendor/react-native/emitter/_EventEmitter.cjs"), 1);
var import_TaskQueue = require("./TaskQueue.cjs");
var import_requestIdleCallback = require("../modules/requestIdleCallback.cjs");
const _emitter = new import_EventEmitter.default();
const InteractionManager = {
  Events: {
    interactionStart: "interactionStart",
    interactionComplete: "interactionComplete"
  },
  /**
   * Schedule a function to run after all interactions have completed.
   */
  runAfterInteractions(task) {
    const tasks = [];
    const promise = new Promise(resolve => {
      _scheduleUpdate();
      if (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;
    _addInteractionSet.add(handle);
    return handle;
  },
  /**
   * Notify manager that an interaction has completed.
   */
  clearInteractionHandle(handle) {
    (0, import_react_native_web_internals.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;
  }
};
const _interactionSet = /* @__PURE__ */new Set();
const _addInteractionSet = /* @__PURE__ */new Set();
const _deleteInteractionSet = /* @__PURE__ */new Set();
const _taskQueue = new import_TaskQueue.TaskQueue({
  onMoreTasks: _scheduleUpdate
});
let _nextUpdateHandle = null;
let _inc = 0;
let _deadline = -1;
function _scheduleUpdate() {
  if (!_nextUpdateHandle) {
    if (_deadline > 0) {
      _nextUpdateHandle = setTimeout(_processUpdate);
    } else {
      _nextUpdateHandle = (0, import_requestIdleCallback.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);
  } else if (interactionCount === 0 && nextInteractionCount !== 0) {
    _emitter.emit(InteractionManager.Events.interactionStart);
  }
  if (nextInteractionCount === 0) {
    const begin = Date.now();
    while (_taskQueue.hasTasksToProcess()) {
      _taskQueue.processNext();
      if (_deadline > 0 && Date.now() - begin >= _deadline) {
        _scheduleUpdate();
        break;
      }
    }
  }
  _addInteractionSet.clear();
  _deleteInteractionSet.clear();
}