@atlaskit/editor-plugin-interactivity/dist/es2019/collector/interactivity-session.js

Interactivity plugin for @atlaskit/editor-core

import _defineProperty from "@babel/runtime/helpers/defineProperty";
import { isExperimentEnabled } from '@atlaskit/platform-feature-experiments/is-experiment-enabled';
import { InteractionObserver } from './interaction-observer';
import { InteractionTracker } from './interaction-tracker';
import { InteractionGroup } from './interaction-group';
import { SlowInteractionList } from './slow-interaction-list';
function createSessionId() {
  if (typeof crypto.randomUUID === 'function') {
    return crypto.randomUUID();
  }
  const bytes = new Uint8Array(16);
  crypto.getRandomValues(bytes);
  return Array.from(bytes, byte => byte.toString(16).padStart(2, '0')).join('');
}
/**
 * Everything that belongs to one session.
 *
 * Nothing here is reset — the next session is a new instance — so a field added here cannot
 * be left carrying the previous session's value.
 */
export class InteractivitySession {
  constructor(start) {
    _defineProperty(this, "id", createSessionId());
    _defineProperty(this, "startedAt", performance.now());
    /** Page interaction count when the session opened, subtracted to get its own total. */
    _defineProperty(this, "interactionCountAtStart", InteractionObserver.readPageInteractionCount());
    _defineProperty(this, "page", new InteractionGroup());
    _defineProperty(this, "editorTyping", new InteractionGroup());
    _defineProperty(this, "editorPointer", new InteractionGroup());
    _defineProperty(this, "editorOther", new InteractionGroup());
    _defineProperty(this, "slowest", isExperimentEnabled('platform_editor_editor_interactivity_slowest') ? new SlowInteractionList() : undefined);
    /** Increments per snapshot; a query takes the highest one per session. */
    _defineProperty(this, "seq", 0);
    _defineProperty(this, "hiddenMs", 0);
    /**
     * Bumped on every change to the accumulated data. A snapshot is emitted only when this
     * has moved past `emittedRevision`, so identical snapshots are never sent twice.
     */
    _defineProperty(this, "revision", 0);
    _defineProperty(this, "emittedRevision", 0);
    /** One lifecycle snapshot per hidden episode; cleared when the page comes back. */
    _defineProperty(this, "lifecycleSnapshotEmitted", false);
    this.objectId = start.objectId;
    this.mode = start.mode;
    this.hiddenSince = start.hidden ? this.startedAt : undefined;
    this.tracker = new InteractionTracker(start.startsAfterInteractionId);
  }
}