Method changeMapRow

src/MAPFVisualizer.jsx:251–257

(e)

  }

  changeMapRow(e) {
    let t = parseInt(e.target.value);
    t = t > 30 ? 30 : t < 4 ? 4 : t;
    t = Math.min(t, this.state.numCol);
    this.setState({ tempRow: t });
    this.adjustMap(t, this.state.numCol, this.createEmptyMap(t, this.state.numCol));
  }

  changeMapCol(e) {
    let t = parseInt(e.target.value);