arturovt

interface ZoneSpec {
  /**
   * Название зоны
   */
  name: string;
  /**
   * Свойства, которые можно ассоциировать с этой зоной
   */
  properties?: {
    [key: string]: any;

arturovt

const myFirstZone = Zone.current.fork({
  name: 'моя первая зона',

  onInvoke(parentZoneDelegate, _, targetZone, delegate, applyThis, applyArgs, source) {
    console.log('Где-то вызвался метод run...');

    return parentZoneDelegate.invoke(targetZone, delegate, applyThis, applyArgs, source);
  },

  onScheduleTask(parentZoneDelegate, _, targetZone, task) {

arturovt

class Zone {
  public run<T>(
    callback: (...args: any[]) => T,
    applyThis?: any,
    applyArgs?: any,
    source?: string
  ): T {
    _currentZoneFrame = {
      parent: _currentZoneFrame,
      zone: this

arturovt

class ZoneDelegate {
  public invoke(
    targetZone: Zone,
    callback: Function,
    applyThis: any,
    applyArgs?: any[],
    source?: string
  ): any {
    if (this._invokeZS) {
      return this._invokeZS.onInvoke!(

arturovt

patchMethod(window, setName, function(delegate) {
  return function(self, args) {
    if (typeof args[0] === 'function') {
      var options = {
        handleId: null,
        isPeriodic: nameSuffix === 'Interval',
        delay: nameSuffix === 'Interval' || nameSuffix === 'Timeout' ? args[1] || 0 : null,
        args: args
      };

arturovt

function scheduleTask(task) {
  var data = task.data;
  function timer() {
    try {
      task.invoke.apply(this, arguments);
    } finally {
      if (!(task.data && task.data.isPeriodic)) {
        if (typeof data.handleId === 'number') {
          // в не nodejs окружении `timerId`
          // хранится в кеше и удаляется по завершении

arturovt

function scheduleMacroTaskWithCurrentZone(source, callback, data, customSchedule, customCancel) {
  return Zone.current.scheduleMacroTask(source, callback, data, customSchedule, customCancel);
}

arturovt

class Zone {
  public scheduleMacroTask(source, callback, data, customSchedule, customCancel) {
    return this.scheduleTask(
      new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel)
    );
  }
}

arturovt

const myFirstZone = Zone.current.fork({
  name: 'моя первая зона',

  onInvoke(parentZoneDelegate, _, targetZone, delegate, applyThis, applyArgs, source) {
    console.log('Где-то вызвался метод run...');

    return parentZoneDelegate.invoke(targetZone, delegate, applyThis, applyArgs, source);
  },

  onScheduleTask(parentZoneDelegate, _, targetZone, task) {

arturovt

type HasTaskState = {
  microTask: boolean;
  macroTask: boolean;
  eventTask: boolean;
  change: TaskType;
};

type TaskType = 'microTask' | 'macroTask' | 'eventTask';