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

Interactivity plugin for @atlaskit/editor-core

import _defineProperty from "@babel/runtime/helpers/defineProperty";
/**
 * Snapshots are taken 10 s, 30 s and 60 s after the session starts, then every 60 s. The
 * first three come close together so that short sessions, which are the common case, are
 * still reported.
 */
const INITIAL_OFFSETS_MS = [10_000, 30_000, 60_000];
const INTERVAL_MS = 60_000;

/**
 * Fires `onTick` on the snapshot cadence. Timings are offsets from `start()`, so a
 * restart (a new session in the same editor) restarts the cadence too.
 */
export class SnapshotScheduler {
  constructor(onTick) {
    _defineProperty(this, "tickIndex", 0);
    this.onTick = onTick;
  }
  start() {
    this.tickIndex = 0;
    this.scheduleNext();
  }
  restart() {
    this.stop();
    this.start();
  }
  stop() {
    if (this.timeoutId !== undefined) {
      window.clearTimeout(this.timeoutId);
      this.timeoutId = undefined;
    }
  }
  scheduleNext() {
    this.timeoutId = window.setTimeout(() => {
      this.tickIndex += 1;
      this.onTick();
      this.scheduleNext();
    }, this.delayForNextTick());
  }
  delayForNextTick() {
    const offset = INITIAL_OFFSETS_MS[this.tickIndex];
    if (offset === undefined) {
      return INTERVAL_MS;
    }
    const previousOffset = this.tickIndex === 0 ? 0 : INITIAL_OFFSETS_MS[this.tickIndex - 1];
    return offset - previousOffset;
  }
}