Class ChartSession

src/chart/session.js:117–553

 * @param {import('../client').ClientBridge} client
 */
module.exports = (client) => class ChartSession {
  #chartSessionID = genSessionID('cs');

  #replaySessionID = genSessionID('rs');

  #replayMode = false;

  /** @type {Object<string, (): any>} */
  #replayOKCB = {};

  /** Parent client */
  #client = client;

  /** @type {StudyListeners} */
  #studyListeners = {};

  /**
   * Table of periods values indexed by timestamp
   * @type {Object<number, PricePeriod[]>}
   */
  #periods = {};

  /** @return {PricePeriod[]} List of periods values */
  get periods() {
    return Object.values(this.#periods).sort((a, b) => b.time - a.time);
  }

  /**
   * Current market infos
   * @type {MarketInfos}
   */
  #infos = {};

  /** @return {MarketInfos} Current market infos */
  get infos() {
    return this.#infos;
  }

  #callbacks = {
    seriesLoaded: [],
    symbolLoaded: [],
    update: [],

    replayLoaded: [],
    replayPoint: [],
    replayResolution: [],
    replayEnd: [],

    event: [],
    error: [],
  };

  /**
   * @param {ChartEvent} ev Client event
   * @param {...{}} data Packet data
   */
  #handleEvent(ev, ...data) {
    this.#callbacks[ev].forEach((e) => e(...data));