Function query has a Cognitive Complexity of 26 (exceeds 5 allowed). Consider refactoring.

Open

function query(obj, expr) {
    var regex = /(?:,|^)\s*(?:"([^"]*)"|'([^']*)'|([^,\s]*))/gi;
    var result = [];
    var matches, bracketKey, dotKey, nextExprWithDot, nextExpr, quotedKey, subset, i, ilen, keys;

• Read up
  Read up

Function convert has a Cognitive Complexity of 26 (exceeds 5 allowed). Consider refactoring.

Open

    convert: function(input) {
        var me = this;
        var options = me._options;
        var workbook = XLSX.read(new Uint8Array(input), {type: 'array'});
        var dataRange = parseExpression(workbook, datasourceHelpers.valueOrDefault(options.data, ''));

• Read up
  Read up

Function convert has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.

Open

    convert: function(input) {
        var me = this;
        var options = me._options;
        var arrays = csvToArrays(input, options.delimiter);
        var datasets = [];

• Read up
  Read up

Function exports has 72 lines of code (exceeds 25 allowed). Consider refactoring.

Open

module.exports = function(karma) {
    const args = karma.args || {};
    const regex = args.watch ? /\.js$/ : /\.min\.js$/;
    const build = builds.filter((v) => v.output.file.match(regex))[0];

Function mergeData has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.

Open

function mergeData(target, source) {
    var sourceDatasets = source.datasets;
    var targetDatasets = target.datasets;
    var sourceLabels = source.labels;
    var targetLabels = target.labels;

• Read up
  Read up

Function convert has 67 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    convert: function(input) {
        var me = this;
        var options = me._options;
        var workbook = XLSX.read(new Uint8Array(input), {type: 'array'});
        var dataRange = parseExpression(workbook, datasourceHelpers.valueOrDefault(options.data, ''));

Function convert has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.

Open

    convert: function(input) {
        var me = this;
        var options = me._options;
        var datasets = [];
        var datasetLabels, indexLabels, data, arrays, i, ilen;

• Read up
  Read up

Function convert has 56 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    convert: function(input) {
        var me = this;
        var options = me._options;
        var datasets = [];
        var datasetLabels, indexLabels, data, arrays, i, ilen;

Function convert has 54 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    convert: function(input) {
        var me = this;
        var options = me._options;
        var arrays = csvToArrays(input, options.delimiter);
        var datasets = [];

Function csvToArrays has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.

Open

function csvToArrays(str, delimiter) {
    var regex = new RegExp('(' + delimiter +
        '|\r?\n(?!$)|\r(?!$)|^(?!$))(?:"((?:\\.|""|[^\\"])*)"|([^' + delimiter + '"\r\n]*))', 'gi');
    var array = [];
    var arrays = [array];

• Read up
  Read up

Function query has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

function query(sheetRange, options) {
    var sheet = sheetRange.sheet;
    var range = sheetRange.range;
    var r = options && options.columnOriented ? 'c' : 'r';
    var c = options && options.columnOriented ? 'r' : 'c';

• Read up
  Read up

Function getPointData has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

function getPointData(arrays, datasetLabels, datapointLabelMapping) {
    var keys = Object.keys(datapointLabelMapping);
    var datapointLabelLookup = {};
    var datasetLabelLookup = {};
    var result = [];

• Read up
  Read up

Function parseExpression has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

function parseExpression(workbook, expr) {
    var matches, sheetName, sheet, rangeExpr, ref, range, refRange;

    while (expr) {
        if (expr.match(/^(([A-Z]+\d*|[A-Z]*\d+):([A-Z]+\d*|[A-Z]*\d+)|[A-Z]+\d+)$/)) {

• Read up
  Read up

Function query has 42 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function query(obj, expr) {
    var regex = /(?:,|^)\s*(?:"([^"]*)"|'([^']*)'|([^,\s]*))/gi;
    var result = [];
    var matches, bracketKey, dotKey, nextExprWithDot, nextExpr, quotedKey, subset, i, ilen, keys;

Function mergeData has 37 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function mergeData(target, source) {
    var sourceDatasets = source.datasets;
    var targetDatasets = target.datasets;
    var sourceLabels = source.labels;
    var targetLabels = target.labels;

Function parseExpression has 35 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function parseExpression(workbook, expr) {
    var matches, sheetName, sheet, rangeExpr, ref, range, refRange;

    while (expr) {
        if (expr.match(/^(([A-Z]+\d*|[A-Z]*\d+):([A-Z]+\d*|[A-Z]*\d+)|[A-Z]+\d+)$/)) {

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

Open

function getPointData(arrays, datasetLabels, datapointLabelMapping) {
    var keys = Object.keys(datapointLabelMapping);
    var datapointLabelLookup = {};
    var datasetLabelLookup = {};
    var result = [];

Function getPointData has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function getPointData(arrays, datasetLabels, datapointLabels) {
    var lookup = {};
    var result = [];
    var array, obj, datapointLabel, datapointValue, i, j, ilen, jlen;

• Read up
  Read up

Function getPointData has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function getPointData(arrays, datasetLabels, datapointLabels) {
    var lookup = {};
    var result = [];
    var array, obj, datapointLabel, datapointValue, i, j, ilen, jlen;

• Read up
  Read up

Avoid too many return statements within this function.

Open

    return result.length > 1 ? result : result[0];