ember-concurrency/dist/-private/external/task/taskable.js

Improved concurrency/async primitives for Ember.js

import { DEFAULT_STATE } from './default-state.js';
import { CancelRequest, CANCEL_KIND_EXPLICIT } from '../task-instance/cancelation.js';

let guidId = 0;
function makeGuid() {
  return `ec_${guidId++}`;
}
class Taskable {
  constructor(options) {
    this.context = options.context;
    this.debug = options.debug || false;
    this.enabledModifiers = options.enabledModifiers;
    this.env = options.env;
    this.group = options.group;
    this.hasEnabledEvents = options.hasEnabledEvents;
    this.modifierOptions = options.modifierOptions;
    this.name = options.name;
    this.onStateCallback = options.onStateCallback;
    this.scheduler = options.scheduler;
    this.guid = makeGuid();
    this.guids = {};
    this.guids[this.guid] = true;
    if (this.group) {
      Object.assign(this.guids, this.group.guids);
    }
  }
  cancelAll(options) {
    let {
      reason,
      cancelRequestKind,
      resetState
    } = options || {};
    reason = reason || '.cancelAll() was explicitly called on the Task';
    let cancelRequest = new CancelRequest(cancelRequestKind || CANCEL_KIND_EXPLICIT, reason);
    return this.scheduler.cancelAll(this.guid, cancelRequest).then(() => {
      if (resetState) {
        this._resetState();
      }
    });
  }
  get _isAlive() {
    return true;
  }
  _resetState() {
    this.setState(DEFAULT_STATE);
  }

  // override
  setState() {}
}
Object.assign(Taskable.prototype, DEFAULT_STATE);
Object.assign(Taskable.prototype, {
  numRunning: 0,
  numQueued: 0,
  isRunning: false,
  isQueued: false,
  isIdle: true,
  state: 'idle'
});

export { Taskable };
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