lucid-ui

<!doctype html> <html lang="en"> <head> <title>Code coverage report for Axis/Axis.tsx</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../favicon.png" /> <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">Axis</a> Axis.tsx</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 93.33% Statements 56/60 </div> <div class='fl pad1y space-right2'> 97.7% Branches 85/87 </div> <div class='fl pad1y space-right2'> 100% Functions 4/4 </div> <div class='fl pad1y space-right2'> 93.22% Lines 55/59 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. </div> <div 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                              176x  </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 { discreteTicks } from '../../util/chart-helpers'; import { omitProps, StandardProps, Overwrite, } from '../../util/component-types'; import * as d3scale from 'd3-scale';   const cx = lucidClassNames.bind('&-Axis');   const { string, array, func, number, oneOf } = PropTypes;   interface IAxisPropsRaw extends StandardProps { /** Must be a d3 scale. Lucid exposes the \`lucid.d3Scale\` library for use here. We support `ScaleTime | ScaleBand | ScalePoint` and possibly more. */ scale: | d3scale.ScaleBand<number> | d3scale.ScalePoint<number> | d3scale.ScaleContinuousNumeric<number, number> | d3scale.ScaleTime<number, number>; // | d3scale.ScalePower<number, number> // | d3scale.ScaleLogarithmic<number, number>;   /** Size of the ticks for each discrete tick mark. */ innerTickSize: number;   /** Size of the tick marks found at the beginning and end of the axis. It's common to set this to \`0\` to remove them. */ outerTickSize: number;   /** An optional function that can format ticks. Generally this shouldn't be needed since d3 has very good default formatters for most data. */ tickFormat?: (d: number | Date) => string;   /** If you need fine grained control over the axis ticks, you can pass them in this array. */ ticks?: Array<number | Date>;   /** Determines the spacing between each tick and its text. */ tickPadding: number;   /** Determines the orientation of the ticks. \`left\` and \`right\` will generate a vertical axis, whereas \`top\` and \`bottom\` will generate a horizontal axis. */ orient: 'top' | 'bottom' | 'left' | 'right';   /** Control the number of ticks displayed. If the scale is time based or linear, this number acts a "hint" per the default behavior of D3. If it's an ordinal scale, this number is treated as an absolute number of ticks to display and is powered by our own utility function \`discreteTicks\`. */ tickCount: number | null;   /** Determines the orientation of the tick text. This may override what the orient prop tries to determine. This defaults to `horizontal`. */ textOrientation: 'vertical' | 'horizontal' | 'diagonal'; }   export type IAxisProps = Overwrite< React.SVGAttributes<SVGGElement>, IAxisPropsRaw >;   const defaultProps = { innerTickSize: 6, // same as d3 outerTickSize: 6, // same as d3 tickPadding: 3, // same as d3 textOrientation: 'horizontal' as const, orient: 'bottom' as const, tickCount: null, };   export const Axis = (props: IAxisProps): React.ReactElement => { const { className, scale, orient, tickCount, ticks = 'ticks' in scale ? scale.ticks(tickCount as number) : discreteTicks(scale.domain(), tickCount), // ordinal scales don't have `ticks` but they do have `domains` innerTickSize, outerTickSize, tickFormat = 'tickFormat' in scale ? scale.tickFormat() : _.identity, tickPadding, textOrientation, ...passThroughs } = props;   const tickSpacing = Math.max(innerTickSize, 0) + tickPadding;   // Domain const range = scale.range(); const sign = orient === 'top' || orient === 'left' ? -1 : 1; const isH = orient === 'top' || orient === 'bottom'; // is horizontal const getOrientationProperties = ( orient: string, textOrientation: string ): { transform: string; textAnchor: 'end' | 'middle' | 'start'; x: number; y: number; dy: string; } => { let textAnchor: 'end' | 'middle' | 'start', x: number, y: number, dy: string; let orientationSign = sign;   const transform = textOrientation === 'vertical' ? 'rotate(-90)' : textOrientation === 'horizontal' ? '' : 'rotate(-30)';   switch (orient) { case 'bottom': if (textOrientation === 'vertical') { orientationSign = -orientationSign; } textAnchor = textOrientation === 'vertical' ? 'end' : textOrientation === 'diagonal' ? 'end' : 'middle'; x = textOrientation === 'vertical' ? orientationSign * tickSpacing : textOrientation === 'diagonal' ? -orientationSign * tickSpacing : 0; y = textOrientation === 'vertical' ? 0 : orientationSign * tickSpacing; dy = textOrientation === 'vertical' ? '.32em' : '.71em'; break; case 'top': if (textOrientation === 'vertical') { orientationSign = -orientationSign; } textAnchor = textOrientation === 'vertical' ? 'start' : textOrientation === 'diagonal' ? 'start' : 'middle'; x = textOrientation === 'vertical' || textOrientation === 'diagonal' ? -orientationSign * tickSpacing : 0; y = textOrientation === 'vertical' ? 0 : orientationSign * tickSpacing; dy = textOrientation === 'vertical' || textOrientation === 'diagonal' ? '.32em' : '0em'; break; case 'right': textAnchor = textOrientation === 'vertical' ? 'middle' : 'start'; x = textOrientation === 'vertical' ? 0 : orientationSign * tickSpacing; y = textOrientation === 'vertical' ? orientationSign * tickSpacing : textOrientation === 'horizontal' ? 0 : orientationSign * tickSpacing; dy = textOrientation === 'vertical' ? '.71em' : '.32em'; break; case 'left': textAnchor = textOrientation === 'vertical' ? 'middle' : 'end'; x = textOrientation === 'vertical' ? 0 : orientationSign * tickSpacing; y = textOrientation === 'vertical' || textOrientation === 'diagonal' ? orientationSign * tickSpacing : 0; dy = textOrientation === 'vertical' ? '0em' : textOrientation === 'horizontal' ? '.32em' : '.71em'; break; default: textAnchor = 'start'; x = 0; y = 0; dy = 'null'; } return { transform, textAnchor, x, y, dy, }; }; const orientationProperties = { vertical: getOrientationProperties(orient, 'vertical'), horizontal: getOrientationProperties(orient, 'horizontal'), diagonal: getOrientationProperties(orient, 'diagonal'), }; const orientationKey = textOrientation || 'horizontal';   // Only band scales have `bandwidth`, this conditional helps center the // ticks on the bands const scaleNormalized = 'bandwidth' in scale ? (d: number): number => (scale(d) as number) + scale.bandwidth() / 2 : scale;   return ( <g {...omitProps(passThroughs, undefined, _.keys(Axis.propTypes))} className={cx(className, '&')} > {isH ? ( <path className={cx('&-domain')} d={`M${range[0]},${sign * outerTickSize}V0H${range[1]}V${sign * outerTickSize}`} /> ) : ( <path className={cx('&-domain')} d={`M${sign * outerTickSize},${range[0]}H0V${range[1]}H${sign * outerTickSize}`} /> )} {_.map( ticks, (tick: number): JSX.Element => ( <g key={tick} transform={`translate(${isH ? scaleNormalized(tick) : 0}, ${ isH ? 0 : scaleNormalized(tick) })`} > <line className={cx('&-tick')} x2={isH ? 0 : sign * innerTickSize} y2={isH ? sign * innerTickSize : 0} /> <text className={cx('&-tick-text')} x={orientationProperties[orientationKey].x} y={orientationProperties[orientationKey].y} dy={orientationProperties[orientationKey].dy} style={{ textAnchor: orientationProperties[orientationKey].textAnchor, }} transform={orientationProperties[orientationKey].transform} > {tickFormat(tick as any)} </text> </g> ) )} </g> ); };   Axis.defaultProps = defaultProps; Axis.displayName = 'Axis'; Axis.peek = { description: ` *\`Axis\` is used within an \`svg\`* An \`Axis\` is used to help render human-readable reference marks on charts. It can either be horizontal or vertical and really only needs a scale to be able to draw properly. This component is a very close sister to d3's svg axis and most of the logic was ported from there. `, categories: ['visualizations', 'chart primitives'], }; Axis.propTypes = { className: string` Appended to the component-specific class names set on the root element. `,   scale: func.isRequired` Must be a d3 scale. Lucid exposes the \`lucid.d3Scale\` library for use here. `,   innerTickSize: number` Size of the ticks for each discrete tick mark. `,   outerTickSize: number` Size of the tick marks found at the beginning and end of the axis. It's common to set this to \`0\` to remove them. `,   tickFormat: func` An optional function that can format ticks. Generally this shouldn't be needed since d3 has very good default formatters for most data. Signature: \`(tick) => {}\` `,   ticks: array` If you need fine grained control over the axis ticks, you can pass them in this array. `,   tickPadding: number` Determines the spacing between each tick and its text. `,   orient: oneOf(['top', 'bottom', 'left', 'right'])` Determines the orientation of the ticks. \`left\` and \`right\` will generate a vertical axis, whereas \`top\` and \`bottom\` will generate a horizontal axis. `,   tickCount: number` Control the number of ticks displayed. If the scale is time based or linear, this number acts a "hint" per the default behavior of D3. If it's an ordinal scale, this number is treated as an absolute number of ticks to display and is powered by our own utility function \`discreteTicks\`. `,   textOrientation: oneOf(['vertical', 'horizontal', 'diagonal'])` Determines the orientation of the tick text. This may override what the orient prop tries to determine. This defaults to \`horizontal\`. `, };   export default Axis;  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Wed Feb 24 2021 01:04:02 GMT+0000 (Coordinated Universal Time) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../sorter.js"></script> <script src="../block-navigation.js"></script> </body> </html>