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Component | Axis: More grid lines css variables #72

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b6966f8
Component | Axis: More grid lines css variables
rokotyan Apr 1, 2026
53d1818
Component | Axis: Axis type DOM attribute
rokotyan Apr 1, 2026
f05d488
Dev | Examples | Axis: Grid styling
rokotyan Apr 1, 2026
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78 changes: 78 additions & 0 deletions packages/dev/src/examples/xy-components/axis/grid-line-hover/index.tsx
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Original file line number Diff line number Diff line change
@@ -0,0 +1,78 @@
import React, { useMemo } from 'react'
import { VisXYContainer, VisLine, VisAxis } from '@unovis/react'
import { XYDataRecord, generateXYDataRecords } from '@src/utils/data'
import { ExampleViewerDurationProps } from '@src/components/ExampleViewer/index'

export const title = 'Grid Styling'
export const subTitle = 'Using CSS variables'

const gridHoverCss = `
.grid-hover-wrapper {
[axis-type='y'] {
--vis-axis-grid-opacity: 0;
--vis-axis-grid-transition: opacity 600ms ease-in-out;
}
}
.grid-hover-wrapper:hover {
[axis-type='y'] {
--vis-axis-grid-opacity: 1;
}
}
`

export const component = (props: ExampleViewerDurationProps): React.ReactNode => {
const data = useMemo(() => generateXYDataRecords(25), [])
const accessors = [
(d: XYDataRecord) => d.y,
(d: XYDataRecord) => d.y1,
(d: XYDataRecord) => d.y2,
]

return (
<div style={{ display: 'flex', flexDirection: 'column', gap: 24 }}>
<style>{gridHoverCss}</style>
<span>Grid lines always visible (default)</span>
<div>
<VisXYContainer<XYDataRecord> data={data}>
<VisLine x={d => d.x} y={accessors} duration={props.duration}/>
<VisAxis type='x' duration={props.duration} gridLine={true} />
<VisAxis type='y' duration={props.duration} gridLine={true} />
</VisXYContainer>
</div>

<span>Grid lines disabled</span>
<div>
<VisXYContainer<XYDataRecord> data={data}>
<VisLine x={d => d.x} y={accessors} duration={props.duration}/>
<VisAxis type='x' duration={props.duration} gridLine={false} />
<VisAxis type='y' duration={props.duration} gridLine={false} />
</VisXYContainer>
</div>

<span>Custom grid styling (using CSS variables)</span>
<div>
<VisXYContainer<XYDataRecord>
data={data}
style={{
'--vis-axis-grid-color': '#3b82f6',
'--vis-axis-grid-line-width': '0.5px',
'--vis-axis-grid-line-dasharray': '8 8',
}}
>
<VisLine x={d => d.x} y={accessors} duration={props.duration}/>
<VisAxis type='x' duration={props.duration} gridLine={true} />
<VisAxis type='y' duration={props.duration} gridLine={true} />
</VisXYContainer>
</div>

<span>Y Grid lines visible on hover (using CSS variables)</span>
<div className="grid-hover-wrapper">
<VisXYContainer<XYDataRecord> data={data}>
<VisLine x={d => d.x} y={accessors} duration={props.duration}/>
<VisAxis type='x' duration={props.duration} gridLine={true} />
<VisAxis type='y' duration={props.duration} gridLine={true} />
</VisXYContainer>
</div>
</div>
)
}
3 changes: 3 additions & 0 deletions packages/ts/src/components/axis/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,9 @@ export class Axis<Datum> extends XYComponentCore<Datum, AxisConfigInterface<Datu
constructor (config?: AxisConfigInterface<Datum>) {
super()
if (config) this.setConfig(config)

this.g.attr('axis-type', this.config.type)

this.axisGroup = this.g.append('g')
this.gridGroup = this.g.append('g')
.attr('class', s.grid)
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15 changes: 9 additions & 6 deletions packages/ts/src/components/axis/style.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,15 @@ export const root = css`
label: axis-component;
`

export const cssVarDefaults = {
// Undefined by default to allow proper fallback to var(--vis-font-family)
/* --vis-axis-font-family: */
export const cssVarDefaults: Record<string, string | undefined> = {
'--vis-axis-font-family': undefined, // Undefined by default to allow proper fallback to var(--vis-font-family)
'--vis-axis-tick-color': '#e8e9ef',
/* --vis-axis-domain-color: // Undefined by default to allow fallback to var(--vis-axis-tick-color) */
'--vis-axis-domain-color': undefined, // Undefined by default to allow fallback to var(--vis-axis-tick-color)
'--vis-axis-grid-color': '#e8e9ef',
'--vis-axis-grid-line-width': '1px',
'--vis-axis-grid-line-dasharray': 'none',
'--vis-axis-grid-opacity': '1',
'--vis-axis-grid-transition': 'none',

'--vis-axis-label-font-size': '14px',
'--vis-axis-label-color': '#6c778c',
Expand All @@ -27,10 +28,10 @@ export const cssVarDefaults = {
'--vis-axis-tick-line-width': '1px',
'--vis-axis-tick-label-hide-transition': 'opacity 400ms ease-in-out',

/* --vis-axis-domain-line-width: // Undefined by default to allow fallback to var(--vis-axis-grid-line-width) */
'--vis-axis-domain-line-width': undefined, // Undefined by default to allow fallback to var(--vis-axis-grid-line-width)

'--vis-dark-axis-tick-color': '#6c778c',
/* --vis-dark-axis-domain-color: // Undefined by default to allow fallback to var(--vis-dark-axis-tick-color) */
'--vis-dark-axis-domain-color': undefined, // Undefined by default to allow fallback to var(--vis-dark-axis-tick-color)
'--vis-dark-axis-tick-label-color': '#e8e9ef',
'--vis-dark-axis-grid-color': '#6c778c',
'--vis-dark-axis-label-color': '#fefefe',
Expand Down Expand Up @@ -82,6 +83,8 @@ export const grid = css`
stroke: var(--vis-axis-grid-color);
stroke-width: var(--vis-axis-grid-line-width);
stroke-dasharray: var(--vis-axis-grid-line-dasharray);
opacity: var(--vis-axis-grid-opacity);
transition: var(--vis-axis-grid-transition);
}
`

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