gopheracademy/gcon

File drilldown.src.js has 544 lines of code (exceeds 250 allowed). Consider refactoring.

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/**
 * Highcharts Drilldown plugin
 * 
 * Author: Torstein Honsi
 * License: MIT License

Function drillUp has 69 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    Chart.prototype.drillUp = function () {
        var chart = this,
            drilldownLevels = chart.drilldownLevels,
            levelNumber = drilldownLevels[drilldownLevels.length - 1].levelNumber,
            i = drilldownLevels.length,

Function addSingleSeriesAsDrilldown has 68 lines of code (exceeds 25 allowed). Consider refactoring.

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    Chart.prototype.addSingleSeriesAsDrilldown = function (point, ddOptions) {
        var oldSeries = point.series,
            xAxis = oldSeries.xAxis,
            yAxis = oldSeries.yAxis,
            newSeries,

Function animateDrillupTo has 33 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    ColumnSeries.prototype.animateDrillupTo = function (init) {
        if (!init) {
            var newSeries = this,
                level = newSeries.drilldownLevel;

Function showDrillUpButton has 31 lines of code (exceeds 25 allowed). Consider refactoring.

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    Chart.prototype.showDrillUpButton = function () {
        var chart = this,
            backText = this.getDrilldownBackText(),
            buttonOptions = chart.options.drilldown.drillUpButton,
            attr,

Function animateDrillupFrom has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    ColumnSeries.prototype.animateDrillupFrom = function (level) {
        var animationOptions = this.chart.options.drilldown.animation,
            group = this.group,
            series = this;

Function animateDrilldown has 28 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    ColumnSeries.prototype.animateDrilldown = function (init) {
        var series = this,
            drilldownLevels = this.chart.drilldownLevels,
            animateFrom,
            animationOptions = this.chart.options.drilldown.animation,

Function doDrilldown has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    H.Point.prototype.doDrilldown = function (_holdRedraw, category) {
        var series = this.series,
            chart = series.chart,
            drilldown = chart.options.drilldown,
            i = (drilldown.series || []).length,

Avoid deeply nested control flow statements.

Open

                        if (chartSeries[seriesI].options.id === level.lowerSeriesOptions.id && 
                                chartSeries[seriesI].options._levelNumber === levelNumber + 1) { // #3867
                            oldSeries = chartSeries[seriesI];
                            break;
                        }

Identical blocks of code found in 3 locations. Consider refactoring.

Open

(function (H) {

    "use strict";

    var noop = function () {},

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