Method constructor

src/chart/session.js:183–293

()

  }

  constructor() {
    this.#client.sessions[this.#chartSessionID] = {
      type: 'chart',
      onData: (packet) => {
        if (global.TW_DEBUG) console.log('§90§30§106 CHART SESSION §0 DATA', packet);

        if (typeof packet.data[1] === 'string' && this.#studyListeners[packet.data[1]]) {
          this.#studyListeners[packet.data[1]](packet);
          return;
        }

        if (packet.type === 'symbol_resolved') {
          this.#infos = {
            series_id: packet.data[1],
            ...packet.data[2],
          };

          this.#handleEvent('symbolLoaded');
          return;
        }

        if (['timescale_update', 'du'].includes(packet.type)) {
          const changes = [];

          Object.keys(packet.data[1]).forEach((k) => {
            changes.push(k);
            if (k === '$prices') {
              const periods = packet.data[1].$prices;
              if (!periods || !periods.s) return;

              periods.s.forEach((p) => {
                [this.#chartSession.indexes[p.i]] = p.v;
                this.#periods[p.v[0]] = {
                  time: p.v[0],
                  open: p.v[1],
                  close: p.v[4],
                  max: p.v[2],
                  min: p.v[3],
                  volume: Math.round(p.v[5] * 100) / 100,
                };
              });

              return;
            }

            if (this.#studyListeners[k]) this.#studyListeners[k](packet);
          });

          this.#handleEvent('update', changes);
          return;
        }

        if (packet.type === 'symbol_error') {
          this.#handleError(`(${packet.data[1]}) Symbol error:`, packet.data[2]);
          return;
        }

        if (packet.type === 'series_error') {