Method pan

modules/core/src/controllers/map-controller.ts:215–226

* Pan * @param {[Number, Number]} pos - position on screen where the pointer is * @param {[Number, Number], optional} startPos - where the pointer grabbed at * the start of the operation. Must be supplied of `panStart()` was not called

({pos, startPos}: {pos: [number, number]; startPos?: [number, number]})

   *   the start of the operation. Must be supplied of `panStart()` was not called
   */
  pan({pos, startPos}: {pos: [number, number]; startPos?: [number, number]}): MapState {
    const startPanLngLat = this.getState().startPanLngLat || this._unproject(startPos);

    if (!startPanLngLat) {
      return this;
    }

    const viewport = this.makeViewport(this.getViewportProps());
    const newProps = viewport.panByPosition(startPanLngLat, pos);

    return this._getUpdatedState(newProps);
  }

  /**
   * End panning