columnContextMenu()

in src/component.tsx [390:437]
45 lines of code
3 McCabe index (conditional complexity)

    columnContextMenu(column: string, cm: HTMLDivElement) {
        const VAR_TYPE_TO_NAME = {
            [ParamType.CATEGORICAL]: 'Categorical',
            [ParamType.NUMERIC]: 'Number',
            [ParamType.NUMERICLOG]: 'Number (log-scale)',
            [ParamType.NUMERICPERCENTILE]: 'Number (percentile-scale)',
            [ParamType.TIMESTAMP]: 'Timestamp',
        };

        var contextmenu = $(cm);
        contextmenu.append($('<h6 class="dropdown-header">Data scaling</h6>'));
        this.state.params_def[column].type_options.forEach(function(this: HiPlot, possible_type) {
          var option = $('<a class="dropdown-item" href="#">').text(VAR_TYPE_TO_NAME[possible_type]);
          if (possible_type == this.state.params_def[column].type) {
            option.addClass('disabled').css('pointer-events', 'none');
          }
          option.click(function(this: HiPlot, event) {
            contextmenu.css('display', 'none');
            this.setState(function(state: Readonly<HiPlotState>, props) { return {
                    params_def: {
                        ...state.params_def,
                        [column]: {
                            ...state.params_def[column],
                            type: possible_type
                        }
                    }
                };
            });
            this.state.persistentState.children(PSTATE_PARAMS).children(column).set('type', possible_type);
            event.preventDefault();
          }.bind(this));
          contextmenu.append(option);
        }.bind(this));
        contextmenu.append($('<div class="dropdown-divider"></div>'));

        // Color by
        var link_colorize = $('<a class="dropdown-item" href="#">Use for coloring</a>');
        link_colorize.click(function(this: HiPlot, event) {
            this.setState({
                colorby: column,
            });
            event.preventDefault();
        }.bind(this));
        if (this.state.colorby == column) {
            link_colorize.addClass('disabled').css('pointer-events', 'none');
        }
        contextmenu.append(link_colorize);
    }