ember-concurrency/dist/-private/external/scheduler/state-tracker/state.js

Improved concurrency/async primitives for Ember.js

import { COMPLETION_SUCCESS, COMPLETION_ERROR, COMPLETION_CANCEL } from '../../task-instance/completion-states.js';

class RefreshState {
  constructor(taskable, tag) {
    this.taskable = taskable;
    this.group = taskable.group;
    this.numRunning = 0;
    this.numQueued = 0;
    this.numPerformedInc = 0;
    this.attrs = {};
    this.tag = tag;
  }
  onCompletion(taskInstance) {
    let state = taskInstance.completionState;
    this.attrs.lastRunning = null;
    this.attrs.lastComplete = taskInstance;
    if (state === COMPLETION_SUCCESS) {
      this.attrs.lastSuccessful = taskInstance;
    } else {
      if (state === COMPLETION_ERROR) {
        this.attrs.lastErrored = taskInstance;
      } else if (state === COMPLETION_CANCEL) {
        this.attrs.lastCanceled = taskInstance;
      }
      this.attrs.lastIncomplete = taskInstance;
    }
  }
  onPerformed(taskInstance) {
    this.numPerformedInc += 1;
    this.attrs.lastPerformed = taskInstance;
  }
  onStart(taskInstance) {
    this.attrs.last = taskInstance;
  }
  onRunning(taskInstance) {
    this.attrs.lastRunning = taskInstance;
    this.numRunning += 1;
  }
  onQueued() {
    this.numQueued += 1;
  }
  recurseTaskGroups(callback) {
    let group = this.group;
    while (group) {
      callback(group);
      group = group.group;
    }
  }
  applyStateFrom(other) {
    Object.assign(this.attrs, other.attrs);
    this.numRunning += other.numRunning;
    this.numQueued += other.numQueued;
    this.numPerformedInc += other.numPerformedInc;
  }
}

export { RefreshState as default };
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