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import get from 'es-toolkit/compat/get';
import {
Series,
type SeriesPoint,
stack as shapeStack,
stackOffsetExpand,
stackOffsetNone,
stackOffsetSilhouette,
stackOffsetWiggle,
stackOrderNone,
} from 'victory-vendor/d3-shape';
import { findEntryInArray, isNan, isNullish, isNumber, isNumOrStr, mathSign } from './DataUtils';
import { TooltipEntrySettings, TooltipPayloadEntry } from '../state/tooltipSlice';
import {
AxisTick,
AxisType,
BaseAxisProps,
ChartCoordinate,
ChartOffsetInternal,
DataKey,
LayoutType,
NumberDomain,
OffsetHorizontal,
OffsetVertical,
PolarViewBoxRequired,
RangeObj,
Size,
StackOffsetType,
TickItem,
} from './types';
import { ValueType } from '../component/DefaultTooltipContent';
import { inRangeOfSector, polarToCartesian } from './PolarUtils';
import { LegendSettings } from '../state/legendSlice';
import { AxisRange, BaseAxisWithScale } from '../state/selectors/axisSelectors';
import { StackGroup } from './stacks/stackTypes';
import { getSliced } from './getSliced';
export function getValueByDataKey<T>(obj: T, dataKey: DataKey<T> | undefined, defaultValue?: any): unknown {
if (isNullish(obj) || isNullish(dataKey)) {
return defaultValue;
}
if (isNumOrStr(dataKey)) {
return get(obj, dataKey, defaultValue);
}
if (typeof dataKey === 'function') {
return dataKey(obj);
}
return defaultValue;
}
export const calculateActiveTickIndex = (
/**
* For different layouts, `coordinate` is different:
* In horizontal layout, this is expected to be the `x` coordinate
* vertical -> y
* centric -> angle
* radial -> radius
*/
coordinate: number | undefined,
ticks: ReadonlyArray<TickItem> | undefined,
unsortedTicks: ReadonlyArray<TickItem>,
axisType: AxisType | undefined,
range: AxisRange | undefined,
): number => {
let index = -1;
const len = ticks?.length ?? 0;
// if there are 1 or fewer ticks or if there is no coordinate then the active tick is at index 0
if (len <= 1 || coordinate == null) {
return 0;
}
if (axisType === 'angleAxis' && range != null && Math.abs(Math.abs(range[1] - range[0]) - 360) <= 1e-6) {
// ticks are distributed in a circle
for (let i = 0; i < len; i++) {
const before = i > 0 ? unsortedTicks[i - 1].coordinate : unsortedTicks[len - 1].coordinate;
const cur = unsortedTicks[i].coordinate;
const after = i >= len - 1 ? unsortedTicks[0].coordinate : unsortedTicks[i + 1].coordinate;
let sameDirectionCoord;
if (mathSign(cur - before) !== mathSign(after - cur)) {
const diffInterval = [];
if (mathSign(after - cur) === mathSign(range[1] - range[0])) {
sameDirectionCoord = after;
const curInRange = cur + range[1] - range[0];
diffInterval[0] = Math.min(curInRange, (curInRange + before) / 2);
diffInterval[1] = Math.max(curInRange, (curInRange + before) / 2);
} else {
sameDirectionCoord = before;
const afterInRange = after + range[1] - range[0];
diffInterval[0] = Math.min(cur, (afterInRange + cur) / 2);
diffInterval[1] = Math.max(cur, (afterInRange + cur) / 2);
}
const sameInterval = [
Math.min(cur, (sameDirectionCoord + cur) / 2),
Math.max(cur, (sameDirectionCoord + cur) / 2),
];
if (
(coordinate > sameInterval[0] && coordinate <= sameInterval[1]) ||
(coordinate >= diffInterval[0] && coordinate <= diffInterval[1])
) {
({ index } = unsortedTicks[i]);
break;
}
} else {
const minValue = Math.min(before, after);
const maxValue = Math.max(before, after);
if (coordinate > (minValue + cur) / 2 && coordinate <= (maxValue + cur) / 2) {
({ index } = unsortedTicks[i]);
break;
}
}
}
} else if (ticks) {
// ticks are distributed in a single direction
for (let i = 0; i < len; i++) {
if (
(i === 0 && coordinate <= (ticks[i].coordinate + ticks[i + 1].coordinate) / 2) ||
(i > 0 &&
i < len - 1 &&
coordinate > (ticks[i].coordinate + ticks[i - 1].coordinate) / 2 &&
coordinate <= (ticks[i].coordinate + ticks[i + 1].coordinate) / 2) ||
(i === len - 1 && coordinate > (ticks[i].coordinate + ticks[i - 1].coordinate) / 2)
) {
({ index } = ticks[i]);
break;
}
}
}
return index;
};
export type BarPositionPosition = {
/**
* Offset is returned always from zero position.
* So in a way it's "absolute".
*
* NOT inbetween bars, but always from zero.
*/
offset: number;
/**
* Size of the bar.
* If the input data is undefined, this will be 0.
* If the input data is NaN then this size too will be NaN.
*/
size: number;
};
export const appendOffsetOfLegend = (
offset: OffsetVertical & OffsetHorizontal,
legendSettings: LegendSettings,
legendSize: Size,
): OffsetVertical & OffsetHorizontal => {
if (legendSettings && legendSize) {
const { width: boxWidth, height: boxHeight } = legendSize;
const { align, verticalAlign, layout } = legendSettings;
if (
(layout === 'vertical' || (layout === 'horizontal' && verticalAlign === 'middle')) &&
align !== 'center' &&
isNumber(offset[align])
) {
return { ...offset, [align]: offset[align] + (boxWidth || 0) };
}
if (
(layout === 'horizontal' || (layout === 'vertical' && align === 'center')) &&
verticalAlign !== 'middle' &&
isNumber(offset[verticalAlign])
) {
return { ...offset, [verticalAlign]: offset[verticalAlign] + (boxHeight || 0) };
}
}
return offset;
};
export const isCategoricalAxis = (layout: LayoutType, axisType: AxisType) =>
(layout === 'horizontal' && axisType === 'xAxis') ||
(layout === 'vertical' && axisType === 'yAxis') ||
(layout === 'centric' && axisType === 'angleAxis') ||
(layout === 'radial' && axisType === 'radiusAxis');
/**
* Calculate the Coordinates of grid
* @param {Array} ticks The ticks in axis
* @param {Number} minValue The minimum value of axis
* @param {Number} maxValue The maximum value of axis
* @param {boolean} syncWithTicks Synchronize grid lines with ticks or not
* @return {Array} Coordinates
*/
export const getCoordinatesOfGrid = (
ticks: ReadonlyArray<TickItem>,
minValue: number,
maxValue: number,
syncWithTicks: boolean,
) => {
if (syncWithTicks) {
return ticks.map(entry => entry.coordinate);
}
let hasMin, hasMax;
const values = ticks.map(entry => {
if (entry.coordinate === minValue) {
hasMin = true;
}
if (entry.coordinate === maxValue) {
hasMax = true;
}
return entry.coordinate;
});
if (!hasMin) {
values.push(minValue);
}
if (!hasMax) {
values.push(maxValue);
}
return values;
};
/**
* A subset of d3-scale that Recharts is using
*/
export interface RechartsScale {
domain(): ReadonlyArray<unknown>;
domain(newDomain: ReadonlyArray<unknown>): this;
range(): ReadonlyArray<unknown>;
range(newRange: ReadonlyArray<unknown>): this;
bandwidth?: () => number;
ticks?: (count: number) => any;
(args: any): number;
}
export type AxisPropsNeededForTicksGenerator = {
axisType?: AxisType;
categoricalDomain?: ReadonlyArray<unknown>;
duplicateDomain?: ReadonlyArray<unknown>;
isCategorical?: boolean;
niceTicks?: ReadonlyArray<AxisTick>;
/**
* The range appears to be only used in Angle Axis - needs further investigation
*/
range?: ReadonlyArray<number>;
realScaleType?: 'scaleBand' | string;
scale: RechartsScale | undefined;
tickCount?: number;
ticks?: ReadonlyArray<AxisTick>;
type?: 'number' | 'category';
};
/**
* Get the ticks of an axis
* @param {Object} axis The configuration of an axis
* @param {Boolean} isGrid Whether or not are the ticks in grid
* @param {Boolean} isAll Return the ticks of all the points or not
* @return {Array} Ticks
*/
export const getTicksOfAxis = (
axis: null | AxisPropsNeededForTicksGenerator,
isGrid?: boolean,
isAll?: boolean,
): ReadonlyArray<TickItem> | null => {
if (!axis) {
return null;
}
const {
duplicateDomain,
type,
range,
scale,
realScaleType,
isCategorical,
categoricalDomain,
tickCount,
ticks,
niceTicks,
axisType,
} = axis;
if (!scale) {
return null;
}
const offsetForBand = realScaleType === 'scaleBand' && scale.bandwidth ? scale.bandwidth() / 2 : 2;
let offset = (isGrid || isAll) && type === 'category' && scale.bandwidth ? scale.bandwidth() / offsetForBand : 0;
offset = axisType === 'angleAxis' && range && range.length >= 2 ? mathSign(range[0] - range[1]) * 2 * offset : offset;
// The ticks set by user should only affect the ticks adjacent to axis line
if (isGrid && (ticks || niceTicks)) {
const result = (ticks || niceTicks || []).map((entry: AxisTick, index: number): TickItem => {
const scaleContent = duplicateDomain ? duplicateDomain.indexOf(entry) : entry;
return {
// If the scaleContent is not a number, the coordinate will be NaN.
// That could be the case for example with a PointScale and a string as domain.
coordinate: scale(scaleContent) + offset,
value: entry,
offset,
index,
};
});
return result.filter((row: TickItem) => !isNan(row.coordinate));
}
// When axis is a categorical axis, but the type of axis is number or the scale of axis is not "auto"
if (isCategorical && categoricalDomain) {
return categoricalDomain.map(
(entry: any, index: number): TickItem => ({
coordinate: scale(entry) + offset,
value: entry,
index,
offset,
}),
);
}
if (scale.ticks && !isAll && tickCount != null) {
return scale
.ticks(tickCount)
.map(
(entry: any, index: number): TickItem => ({ coordinate: scale(entry) + offset, value: entry, offset, index }),
);
}
// When axis has duplicated text, serial numbers are used to generate scale
return scale.domain().map(
(entry: any, index: number): TickItem => ({
coordinate: scale(entry) + offset,
value: duplicateDomain ? duplicateDomain[entry] : entry,
index,
offset,
}),
);
};
const EPS = 1e-4;
export const checkDomainOfScale = (scale: any) => {
const domain = scale.domain();
if (!domain || domain.length <= 2) {
return;
}
const len = domain.length;
const range = scale.range();
const minValue = Math.min(range[0], range[1]) - EPS;
const maxValue = Math.max(range[0], range[1]) + EPS;
const first = scale(domain[0]);
const last = scale(domain[len - 1]);
if (first < minValue || first > maxValue || last < minValue || last > maxValue) {
scale.domain([domain[0], domain[len - 1]]);
}
};
/**
* Both value and domain are tuples of two numbers
* - but the type stays as array of numbers until we have better support in rest of the app
* @param value input that will be truncated
* @param domain boundaries
* @returns tuple of two numbers
*/
export const truncateByDomain = (
value: SeriesPoint<Record<number, number>>,
domain: ReadonlyArray<number>,
): [number, number] | SeriesPoint<Record<number, number>> => {
if (!domain || domain.length !== 2 || !isNumber(domain[0]) || !isNumber(domain[1])) {
return value;
}
const minValue = Math.min(domain[0], domain[1]);
const maxValue = Math.max(domain[0], domain[1]);
const result: [number, number] = [value[0], value[1]];
if (!isNumber(value[0]) || value[0] < minValue) {
result[0] = minValue;
}
if (!isNumber(value[1]) || value[1] > maxValue) {
result[1] = maxValue;
}
if (result[0] > maxValue) {
result[0] = maxValue;
}
if (result[1] < minValue) {
result[1] = minValue;
}
return result;
};
/**
* Stacks all positive numbers above zero and all negative numbers below zero.
*
* If all values in the series are positive then this behaves the same as 'none' stacker.
*
* @param {Array} series from d3-shape Stack
* @return {Array} series with applied offset
*/
export const offsetSign: OffsetAccessor = series => {
const n = series.length;
if (n <= 0) {
return;
}
for (let j = 0, m = series[0].length; j < m; ++j) {
let positive = 0;
let negative = 0;
for (let i = 0; i < n; ++i) {
const value = isNan(series[i][j][1]) ? series[i][j][0] : series[i][j][1];
/* eslint-disable prefer-destructuring, no-param-reassign */
if (value >= 0) {
series[i][j][0] = positive;
series[i][j][1] = positive + value;
positive = series[i][j][1];
} else {
series[i][j][0] = negative;
series[i][j][1] = negative + value;
negative = series[i][j][1];
}
/* eslint-enable prefer-destructuring, no-param-reassign */
}
}
};
/**
* Replaces all negative values with zero when stacking data.
*
* If all values in the series are positive then this behaves the same as 'none' stacker.
*
* @param {Array} series from d3-shape Stack
* @return {Array} series with applied offset
*/
export const offsetPositive: OffsetAccessor = series => {
const n = series.length;
if (n <= 0) {
return;
}
for (let j = 0, m = series[0].length; j < m; ++j) {
let positive = 0;
for (let i = 0; i < n; ++i) {
const value = isNan(series[i][j][1]) ? series[i][j][0] : series[i][j][1];
/* eslint-disable prefer-destructuring, no-param-reassign */
if (value >= 0) {
series[i][j][0] = positive;
series[i][j][1] = positive + value;
positive = series[i][j][1];
} else {
series[i][j][0] = 0;
series[i][j][1] = 0;
}
/* eslint-enable prefer-destructuring, no-param-reassign */
}
}
};
/**
* Function type to compute offset for stacked data.
*
* d3-shape has something fishy going on with its types.
* In @definitelytyped/d3-shape, this function (the offset accessor) is typed as Series<> => void.
* However! When I actually open the storybook I can see that the offset accessor actually receives Array<Series<>>.
* The same I can see in the source code itself:
* https://github.com/DefinitelyTyped/DefinitelyTyped/discussions/66042
* That one unfortunately has no types but we can tell it passes three-dimensional array.
*
* Which leads me to believe that definitelytyped is wrong on this one.
* There's open discussion on this topic without much attention:
* https://github.com/DefinitelyTyped/DefinitelyTyped/discussions/66042
*/
type OffsetAccessor = (series: Array<Series<Record<string, unknown>, string>>, order: number[]) => void;
const STACK_OFFSET_MAP: Record<string, OffsetAccessor> = {
sign: offsetSign,
// @ts-expect-error definitelytyped types are incorrect
expand: stackOffsetExpand,
// @ts-expect-error definitelytyped types are incorrect
none: stackOffsetNone,
// @ts-expect-error definitelytyped types are incorrect
silhouette: stackOffsetSilhouette,
// @ts-expect-error definitelytyped types are incorrect
wiggle: stackOffsetWiggle,
positive: offsetPositive,
};
export const getStackedData = (
data: ReadonlyArray<Record<string, unknown>>,
dataKeys: ReadonlyArray<DataKey<any>>,
offsetType: StackOffsetType,
): ReadonlyArray<Series<Record<string, unknown>, DataKey<any>>> => {
const offsetAccessor: OffsetAccessor = STACK_OFFSET_MAP[offsetType];
const stack = shapeStack<Record<string, unknown>, DataKey<any>>()
.keys(dataKeys)
.value((d, key) => +getValueByDataKey(d, key, 0))
.order(stackOrderNone)
// @ts-expect-error definitelytyped types are incorrect
.offset(offsetAccessor);
return stack(data);
};
export type StackId = string | number;
/**
* Stack IDs in the external props allow numbers; but internally we use it as an object key
* and object keys are always strings. Also it would be kinda confusing if stackId=8 and stackId='8' were different stacks
* so let's just force a string.
*/
export type NormalizedStackId = string;
export function getNormalizedStackId(publicStackId: StackId | undefined): NormalizedStackId | undefined {
return publicStackId == null ? undefined : String(publicStackId);
}
export function getCateCoordinateOfLine<T extends Record<string, unknown>>({
axis,
ticks,
bandSize,
entry,
index,
dataKey,
}: {
axis: {
dataKey?: DataKey<T>;
allowDuplicatedCategory?: boolean;
type?: BaseAxisProps['type'];
scale: (v: number) => number;
};
ticks: Array<TickItem>;
bandSize: number;
entry: T;
index: number;
dataKey?: DataKey<T>;
}): number | null {
if (axis.type === 'category') {
// find coordinate of category axis by the value of category
// @ts-expect-error why does this use direct object access instead of getValueByDataKey?
if (!axis.allowDuplicatedCategory && axis.dataKey && !isNullish(entry[axis.dataKey])) {
// @ts-expect-error why does this use direct object access instead of getValueByDataKey?
const matchedTick = findEntryInArray(ticks, 'value', entry[axis.dataKey]);
if (matchedTick) {
return matchedTick.coordinate + bandSize / 2;
}
}
return ticks[index] ? ticks[index].coordinate + bandSize / 2 : null;
}
const value = getValueByDataKey(entry, !isNullish(dataKey) ? dataKey : axis.dataKey);
// @ts-expect-error getValueByDataKey does not validate the output type
return !isNullish(value) ? axis.scale(value) : null;
}
export const getCateCoordinateOfBar = ({
axis,
ticks,
offset,
bandSize,
entry,
index,
}: {
axis: BaseAxisWithScale;
ticks: ReadonlyArray<TickItem>;
offset: number;
bandSize: number;
entry: any;
index: number;
}): number | null => {
if (axis.type === 'category') {
return ticks[index] ? ticks[index].coordinate + offset : null;
}
const value = getValueByDataKey(entry, axis.dataKey, axis.scale.domain()[index]);
return !isNullish(value) ? axis.scale(value) - bandSize / 2 + offset : null;
};
export const getBaseValueOfBar = ({ numericAxis }: { numericAxis: BaseAxisWithScale }): number | unknown => {
const domain = numericAxis.scale.domain();
if (numericAxis.type === 'number') {
// @ts-expect-error type number means the domain has numbers in it but this relationship is not known to typescript
const minValue = Math.min(domain[0], domain[1]);
// @ts-expect-error type number means the domain has numbers in it but this relationship is not known to typescript
const maxValue = Math.max(domain[0], domain[1]);
if (minValue <= 0 && maxValue >= 0) {
return 0;
}
if (maxValue < 0) {
return maxValue;
}
return minValue;
}
return domain[0];
};
const getDomainOfSingle = (data: ReadonlyArray<ReadonlyArray<unknown>>): number[] => {
const flat = data.flat(2).filter(isNumber);
return [Math.min(...flat), Math.max(...flat)];
};
const makeDomainFinite = (domain: NumberDomain): NumberDomain => {
return [domain[0] === Infinity ? 0 : domain[0], domain[1] === -Infinity ? 0 : domain[1]];
};
export const getDomainOfStackGroups = (
stackGroups: Record<StackId, StackGroup> | undefined,
startIndex: number,
endIndex: number,
): NumberDomain | undefined => {
if (stackGroups == null) {
return undefined;
}
return makeDomainFinite(
Object.keys(stackGroups).reduce(
(result, stackId): NumberDomain => {
const group = stackGroups[stackId];
const { stackedData } = group;
const domain = stackedData.reduce(
(res: [number, number], entry) => {
const sliced = getSliced(entry, startIndex, endIndex);
const s = getDomainOfSingle(sliced);
return [Math.min(res[0], s[0]), Math.max(res[1], s[1])];
},
[Infinity, -Infinity],
);
return [Math.min(domain[0], result[0]), Math.max(domain[1], result[1])];
},
[Infinity, -Infinity],
),
);
};
export const MIN_VALUE_REG = /^dataMin[\s]*-[\s]*([0-9]+([.]{1}[0-9]+){0,1})$/;
export const MAX_VALUE_REG = /^dataMax[\s]*\+[\s]*([0-9]+([.]{1}[0-9]+){0,1})$/;
/**
* Calculate the size between two category
* @param {Object} axis The options of axis
* @param {Array} ticks The ticks of axis
* @param {Boolean} isBar if items in axis are bars
* @return {Number} Size
*/
export const getBandSizeOfAxis = (
axis?: BaseAxisWithScale,
ticks?: ReadonlyArray<TickItem>,
isBar?: boolean,
): number | undefined => {
if (axis && axis.scale && axis.scale.bandwidth) {
const bandWidth = axis.scale.bandwidth();
if (!isBar || bandWidth > 0) {
return bandWidth;
}
}
if (axis && ticks && ticks.length >= 2) {
const orderedTicks = sortBy(ticks, (o: { coordinate: any }) => o.coordinate);
let bandSize = Infinity;
for (let i = 1, len = orderedTicks.length; i < len; i++) {
const cur = orderedTicks[i];
const prev = orderedTicks[i - 1];
bandSize = Math.min((cur.coordinate || 0) - (prev.coordinate || 0), bandSize);
}
return bandSize === Infinity ? 0 : bandSize;
}
return isBar ? undefined : 0;
};
export function getTooltipEntry({
tooltipEntrySettings,
dataKey,
payload,
value,
name,
}: {
tooltipEntrySettings: TooltipEntrySettings;
dataKey: DataKey<any> | undefined;
payload: any;
value: ValueType;
name: string | undefined;
}): TooltipPayloadEntry {
return {
...tooltipEntrySettings,
dataKey,
payload,
value,
name,
};
}
export function getTooltipNameProp(
nameFromItem: string | number | undefined | unknown,
dataKey: DataKey<any> | undefined,
): string | undefined {
if (nameFromItem) {
return String(nameFromItem);
}
if (typeof dataKey === 'string') {
return dataKey;
}
return undefined;
}
export function inRange(
x: number,
y: number,
layout: LayoutType,
polarViewBox: PolarViewBoxRequired | undefined,
offset: ChartOffsetInternal,
): RangeObj | null {
if (layout === 'horizontal' || layout === 'vertical') {
const isInRange =
x >= offset.left && x <= offset.left + offset.width && y >= offset.top && y <= offset.top + offset.height;
return isInRange ? { x, y } : null;
}
if (polarViewBox) {
return inRangeOfSector({ x, y }, polarViewBox);
}
return null;
}
export const getActiveCoordinate = (
layout: LayoutType,
tooltipTicks: readonly TickItem[],
activeIndex: number,
rangeObj: RangeObj,
): ChartCoordinate => {
const entry = tooltipTicks.find(tick => tick && tick.index === activeIndex);
if (entry) {
if (layout === 'horizontal') {
return { x: entry.coordinate, y: rangeObj.y };
}
if (layout === 'vertical') {
return { x: rangeObj.x, y: entry.coordinate };
}
if (layout === 'centric') {
const angle = entry.coordinate;
const { radius } = rangeObj;
return {
...rangeObj,
...polarToCartesian(rangeObj.cx, rangeObj.cy, radius, angle),
angle,
radius,
};
}
const radius = entry.coordinate;
const { angle } = rangeObj;
return {
...rangeObj,
...polarToCartesian(rangeObj.cx, rangeObj.cy, radius, angle),
angle,
radius,
};
}
return { x: 0, y: 0 };
};
export const calculateTooltipPos = (rangeObj: RangeObj, layout: LayoutType): number | undefined => {
if (layout === 'horizontal') {
return rangeObj.x;
}
if (layout === 'vertical') {
return rangeObj.y;
}
if (layout === 'centric') {
return rangeObj.angle;
}
return rangeObj.radius;
};
|