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[charts] Support BarChart with Date data #13471

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merged 6 commits into from
Jun 26, 2024
Merged

[charts] Support BarChart with Date data #13471

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20f608f
Alternative PoC
alexfauquette Jun 13, 2024
242b64f
test
alexfauquette Jun 13, 2024
f0bb34a
cleaning
alexfauquette Jun 18, 2024
b3bec07
Merge remote-tracking branch 'upstream/master' into poc-time-band-scale
alexfauquette Jun 21, 2024
5eddb6c
Merge remote-tracking branch 'upstream/master' into poc-time-band-scale
alexfauquette Jun 26, 2024
06d6827
fix-ci
alexfauquette Jun 26, 2024
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39 changes: 38 additions & 1 deletion packages/x-charts/src/context/CartesianContextProvider.tsx
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import * as React from 'react';
import { scaleBand, scalePoint } from 'd3-scale';
import { scaleBand, scalePoint, scaleTime } from 'd3-scale';
import {
AxisConfig,
AxisDefaultized,
Expand Down Expand Up @@ -224,6 +224,15 @@ function CartesianContextProvider(props: CartesianContextProviderProps) {
? getOrdinalColorScale({ values: axis.data, ...axis.colorMap })
: getColorScale(axis.colorMap)),
};
if (axis.data?.[0] instanceof Date) {
const timeScale = scaleTime(axis.data!, range);
completedXAxis[axis.id].valueFormatter =
axis.valueFormatter ??
((v, { location }) =>
location === 'tick'
? timeScale.tickFormat(axis.tickNumber)(v)
: `${v.toLocaleString()}`);
}
}
if (isPointScaleConfig(axis)) {
completedXAxis[axis.id] = {
Expand All @@ -236,6 +245,15 @@ function CartesianContextProvider(props: CartesianContextProviderProps) {
? getOrdinalColorScale({ values: axis.data, ...axis.colorMap })
: getColorScale(axis.colorMap)),
};
if (axis.data?.[0] instanceof Date) {
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Would a isDateData function work here?

const isDateData = (data?: any[]): data is Date[] => data?.[0] instanceof Date

const timeScale = scaleTime(axis.data!, range);
completedXAxis[axis.id].valueFormatter =
axis.valueFormatter ??
((v, { location }) =>
location === 'tick'
? timeScale.tickFormat(axis.tickNumber)(v)
: `${v.toLocaleString()}`);
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We could probably also create a dateValueFormatter and just completedXAxis[axis.id].valueFormatter = dateValueFormatter(...)

}
}
if (axis.scaleType === 'band' || axis.scaleType === 'point') {
// Could be merged with the two previous "if conditions" but then TS does not get that `axis.scaleType` can't be `band` or `point`.
Expand Down Expand Up @@ -297,6 +315,15 @@ function CartesianContextProvider(props: CartesianContextProviderProps) {
? getOrdinalColorScale({ values: axis.data, ...axis.colorMap })
: getColorScale(axis.colorMap)),
};
if (axis.data?.[0] instanceof Date) {
const timeScale = scaleTime(axis.data!, range);
completedXAxis[axis.id].valueFormatter =
axis.valueFormatter ??
((v, { location }) =>
location === 'tick'
? timeScale.tickFormat(axis.tickNumber)(v)
: `${v.toLocaleString()}`);
}
}
if (isPointScaleConfig(axis)) {
completedYAxis[axis.id] = {
Expand All @@ -309,7 +336,17 @@ function CartesianContextProvider(props: CartesianContextProviderProps) {
? getOrdinalColorScale({ values: axis.data, ...axis.colorMap })
: getColorScale(axis.colorMap)),
};
if (axis.data?.[0] instanceof Date) {
const timeScale = scaleTime(axis.data!, range);
completedXAxis[axis.id].valueFormatter =
axis.valueFormatter ??
((v, { location }) =>
location === 'tick'
? timeScale.tickFormat(axis.tickNumber)(v)
: `${v.toLocaleString()}`);
}
}

if (axis.scaleType === 'band' || axis.scaleType === 'point') {
// Could be merged with the two previous "if conditions" but then TS does not get that `axis.scaleType` can't be `band` or `point`.
return;
Expand Down
6 changes: 5 additions & 1 deletion packages/x-charts/src/hooks/useTicks.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -101,8 +101,12 @@ export function useTicks(

if (scale.bandwidth() > 0) {
// scale type = 'band'
const filteredDomain =
(typeof tickInterval === 'function' && domain.filter(tickInterval)) ||
(typeof tickInterval === 'object' && tickInterval) ||
domain;
return [
...domain.map((value) => ({
...filteredDomain.map((value) => ({
Comment on lines +104 to +109
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A bit out of scope, but it allows filtering tickets for band scale

value,
formattedValue: valueFormatter?.(value, { location: 'tick' }) ?? `${value}`,
offset:
Expand Down
2 changes: 1 addition & 1 deletion packages/x-charts/src/models/axis.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -156,7 +156,7 @@ export interface ChartsXAxisProps extends ChartsAxisProps {
position?: 'top' | 'bottom';
}

export type ScaleName = 'linear' | 'band' | 'point' | 'log' | 'pow' | 'sqrt' | 'time' | 'utc';
export type ScaleName = keyof AxisScaleConfig;
export type ContinuousScaleName = 'linear' | 'log' | 'pow' | 'sqrt' | 'time' | 'utc';

export interface AxisScaleConfig {
Expand Down
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