lucid-ui

<!doctype html> <html lang="en"> <head> <title>Code coverage report for components/Bars/Bars copy.jsx</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">All files</a> / <a href="index.html">components/Bars</a> Bars copy.jsx </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 0% Statements 0/43 </div> <div class='fl pad1y space-right2'> 0% Branches 0/16 </div> <div class='fl pad1y space-right2'> 0% Functions 0/15 </div> <div class='fl pad1y space-right2'> 0% Lines 0/43 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a href='#L19'>19</a> <a name='L20'></a><a href='#L20'>20</a> <a name='L21'></a><a href='#L21'>21</a> <a name='L22'></a><a href='#L22'>22</a> <a name='L23'></a><a href='#L23'>23</a> <a name='L24'></a><a href='#L24'>24</a> <a 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                                                                                                                                                                                                                                                                                                                                                                                                                                                                         </td><td class="text"><pre class="prettyprint lang-js">import _ from 'lodash'; import React from 'react'; import PropTypes from 'react-peek/prop-types'; import { lucidClassNames } from '../../util/style-helpers'; import { extractFields, stackByFields } from '../../util/chart-helpers'; import { createClass, omitProps } from '../../util/component-types'; import * as d3Scale from 'd3-scale'; import * as chartConstants from '../../constants/charts'; import shallowCompare from 'react-addons-shallow-compare'; import Bar from '../Bar/Bar'; import { ToolTipDumb as ToolTip } from '../ToolTip/ToolTip'; import Legend from '../Legend/Legend';   // memoizing to maintain referential equality across renders, for performance // optimization with shallow comparison const memoizedExtractFields = _.memoize(extractFields); const memoizedStackByFields = _.memoize(stackByFields);   const cx = lucidClassNames.bind('&-Bars');   const { arrayOf, func, number, object, bool, string } = PropTypes;   const Bars = createClass({ displayName: 'Bars',   statics: { peek: { description: ` *For use within an \`svg\`*   Bars are typically used to represent categorical data and can be stacked or grouped. `, categories: ['visualizations', 'chart primitives'], madeFrom: ['Bar', 'ToolTip', 'Legend'], }, },   propTypes: { className: string` Appended to the component-specific class names set on the root element. `,   data: arrayOf(object).isRequired` De-normalized data   [ { x: 'one', y0: 1, y1: 2, y2: 3, y3: 5 }, { x: 'two', y0: 2, y1: 3, y2: 4, y3: 6 }, { x: 'three', y0: 2, y1: 4, y2: 5, y3: 6 }, { x: 'four', y0: 3, y1: 6, y2: 7, y3: 7 }, { x: 'five', y0: 4, y1: 8, y2: 9, y3: 8 }, ] `,   legend: object` An object with human readable names for fields that will be used for tooltips. E.g:   { rev: 'Revenue', imps: 'Impressions', } `,   hasToolTips: bool` Show tool tips on hover. `,   palette: arrayOf(string)` Takes one of the palettes exported from \`lucid.chartConstants\`. Available palettes:   - \`PALETTE_7\` (default) - \`PALETTE_30\` - \`PALETTE_MONOCHROME_0_5\` - \`PALETTE_MONOCHROME_1_5\` - \`PALETTE_MONOCHROME_2_5\` - \`PALETTE_MONOCHROME_3_5\` - \`PALETTE_MONOCHROME_4_5\` - \`PALETTE_MONOCHROME_5_5\` - \`PALETTE_MONOCHROME_6_5\` `,   colorMap: object` You can pass in an object if you want to map fields to \`lucid.chartConstants\` or custom colors:   { 'imps': COLOR_0, 'rev': COLOR_3, 'clicks': '#abc123', } `,   xScale: func.isRequired` The scale for the x axis. Must be a d3 band scale. Lucid exposes the \`lucid.d3Scale.scaleBand\` library for use here. `,   xField: string` The field we should look up your x data by. `,   xFormatter: func` Function to format the x data. `,   yScale: func.isRequired` The scale for the y axis. Must be a d3 scale. Lucid exposes the \`lucid.d3Scale\` library for use here. `,   yFields: arrayOf(string)` The field(s) we should look up your y data by. Each entry represents a series. Your actual y data should be numeric. `,   yFormatter: func` Function to format the y data. `,   yStackedMax: number` Typically this number can be derived from the yScale. However when we're \`isStacked\` we need to calculate a new domain for the yScale based on the sum of the data. If you need explicit control of the y max when stacking, pass it in here. `,   yTooltipFormatter: func` An optional function used to format your y axis titles and data in the tooltips. The first value is the name of your y field, the second value is your post-formatted y value, and the third value is your non-formatted y-value. Signature: \`(yField, yValueFormatted, yValue) => {}\` `,   isStacked: bool` This will stack the data instead of grouping it. In order to stack the data we have to calculate a new domain for the y scale that is based on the \`sum\` of the data. `,   colorOffset: number` Sometimes you might not want the colors to start rotating at the blue color, this number will be added the bar index in determining which color the bars are. `,   renderTooltipBody: func` An optional function used to format the entire tooltip body. The only arg is the associated data point. This formatter will over-ride yAxisTooltipFormatter and yAxisTooltipDataFormatter. Signature: \`dataPoint => {}\` `, },   defaultTooltipFormatter(dataPoint) { const { colorMap, colorOffset, isStacked, legend, palette, yFields, yFormatter, yTooltipFormatter, } = this.props;   return ( <Legend hasBorders={false} isReversed={isStacked}> {_.map(yFields, (field, fieldIndex) => ( <Legend.Item key={fieldIndex} hasPoint={true} pointKind={1} color={_.get( colorMap, field, palette[(fieldIndex + colorOffset) % palette.length] )} > {yTooltipFormatter( _.get(legend, field, field), yFormatter(dataPoint[field], dataPoint), dataPoint[field] )} </Legend.Item> ))} </Legend> ); },   handleMouseEnter(hoveringSeriesIndex) { this.setState({ hoveringSeriesIndex, }); },   handleMouseOut() { this.setState({ hoveringSeriesIndex: null }); },   shouldComponentUpdate(...args) { return shallowCompare(this, ...args); },   getDefaultProps() { return { hasToolTips: true, xField: 'x', xFormatter: _.identity, yFields: ['y'], yFormatter: _.identity, yTooltipFormatter: (yField, yValueFormatted) => `${yField}: ${yValueFormatted}`, renderTooltipBody: null, isStacked: false, colorOffset: 0, palette: chartConstants.PALETTE_7, }; },   getInitialState() { return { hoveringSeriesIndex: null, }; },   render() { const { className, data, hasToolTips, palette, colorMap, colorOffset, xScale, xField, xFormatter, yScale: yScaleOriginal, yFields, yStackedMax, renderTooltipBody, isStacked, ...passThroughs } = this.props;   const { hoveringSeriesIndex } = this.state;   // This scale is used for grouped bars const innerXScale = d3Scale .scaleBand() .domain(_.times(yFields.length)) .range([0, xScale.bandwidth()]) .round(true);   // Copy the original so we can mutate it const yScale = yScaleOriginal.copy();   // If we are stacked, we need to calculate a new domain based on the sum of // the various series' y data. One row per series. const transformedData = isStacked ? memoizedStackByFields(data, yFields) : memoizedExtractFields(data, yFields);   // If we are stacked, we need to calculate a new domain based on the sum of // the various group's y data if (isStacked) { yScale.domain([ yScale.domain()[0], yStackedMax || _.max(_.map(transformedData, x => _.last(_.last(x)))), ]); }   return ( <g {...omitProps(passThroughs, Bars)} className={cx(className, '&')}> {_.map(transformedData, (series, seriesIndex) => ( <g key={seriesIndex}> {_.map(series, ([start, end], pointsIndex) => ( <Bar key={pointsIndex} x={ isStacked ? xScale(data[seriesIndex][xField]) : innerXScale(pointsIndex) + xScale(data[seriesIndex][xField]) } y={yScale(end)} height={yScale(start) - yScale(end)} width={isStacked ? xScale.bandwidth() : innerXScale.bandwidth()} color={_.get( colorMap, yFields[pointsIndex], palette[(pointsIndex + colorOffset) % palette.length] )} /> ))}   <PureToolTip isExpanded={hasToolTips && hoveringSeriesIndex === seriesIndex} height={ isStacked ? yScale.range()[0] - yScale(_.last(series)[1]) : yScale.range()[0] - yScale(_.max(_.flatten(series))) } width={xScale.bandwidth()} x={xScale(data[seriesIndex][xField])} y={yScale(_.max(_.flatten(series)))} series={series} seriesIndex={seriesIndex} onMouseEnter={this.handleMouseEnter} onMouseOut={this.handleMouseOut} xFormatter={xFormatter} xField={xField} renderBody={renderTooltipBody || this.defaultTooltipFormatter} data={data} /> </g> ))} </g> ); }, });   export const <span cla