[charts] Use knip to remove dead code

knip.json

@@ -0,0 +1,65 @@
+{
+  "$schema": "https://unpkg.com/knip@6/schema.json",
+  "tags": ["-lintignore"],
+  "workspaces": {
+    "packages/x-charts*": {
+      "entry": ["src/index.ts", "src/*/index.ts"],
+      "project": "**/*.{ts,tsx}"
+    }
+  },
+  "paths": {
+    "@mui/x-data-grid": ["./packages/x-data-grid/src"],
+    "@mui/x-data-grid/*": ["./packages/x-data-grid/src/*"],
+    "@mui/x-data-grid-generator": ["./packages/x-data-grid-generator/src/"],
+    "@mui/x-data-grid-generator/*": ["./packages/x-data-grid-generator/src/*"],
+    "@mui/x-data-grid-pro": ["./packages/x-data-grid-pro/src"],
+    "@mui/x-data-grid-pro/*": ["./packages/x-data-grid-pro/src/*"],
+    "@mui/x-data-grid-premium": ["./packages/x-data-grid-premium/src"],
+    "@mui/x-data-grid-premium/*": ["./packages/x-data-grid-premium/src/*"],
+    "@mui/x-date-pickers": ["./packages/x-date-pickers/src"],
+    "@mui/x-date-pickers/*": ["./packages/x-date-pickers/src/*"],
+    "@mui/x-date-pickers-pro": ["./packages/x-date-pickers-pro/src"],
+    "@mui/x-date-pickers-pro/*": ["./packages/x-date-pickers-pro/src/*"],
+    "@mui/x-charts": ["./packages/x-charts/src"],
+    "@mui/x-charts/*": ["./packages/x-charts/src/*"],
+    "@mui/x-charts-pro": ["./packages/x-charts-pro/src"],
+    "@mui/x-charts-pro/*": ["./packages/x-charts-pro/src/*"],
+    "@mui/x-charts-premium": ["./packages/x-charts-premium/src"],
+    "@mui/x-charts-premium/*": ["./packages/x-charts-premium/src/*"],
+    "@mui/x-scheduler/*": ["./packages/x-scheduler/src/*"],
+    "@mui/x-scheduler-premium/*": ["./packages/x-scheduler-premium/src/*"],
+    "@mui/x-scheduler-headless/*": ["./packages/x-scheduler-headless/src/*"],
+    "@mui/x-scheduler-headless-premium/*": ["./packages/x-scheduler-headless-premium/src/*"],
+    "@mui/x-tree-view": ["./packages/x-tree-view/src"],
+    "@mui/x-tree-view/*": ["./packages/x-tree-view/src/*"],
+    "@mui/x-tree-view-pro": ["./packages/x-tree-view-pro/src"],
+    "@mui/x-tree-view-pro/*": ["./packages/x-tree-view-pro/src/*"],
+    "@mui/x-license": ["./packages/x-license/src"],
+    "@mui/x-license/*": ["./packages/x-license/src/*"],
+    "@mui/x-internals": ["./packages/x-internals/src"],
+    "@mui/x-internals/*": ["./packages/x-internals/src/*"],
+    "@mui/x-internal-gestures/*": ["./packages/x-internal-gestures/src/*"],
+    "@mui/x-telemetry": ["./packages/x-telemetry/src"],
+    "@mui/x-telemetry/*": ["./packages/x-telemetry/src/*"],
+    "@mui/x-virtualizer": ["./packages/x-virtualizer/src"],
+    "@mui/x-virtualizer/*": ["./packages/x-virtualizer/src/*"],
+    "@mui/docs": ["./node_modules/@mui/monorepo/packages/mui-docs/src"],
+    "@mui/docs/*": ["./node_modules/@mui/monorepo/packages/mui-docs/src/*"],
+    "@mui-internal/api-docs-builder": ["./node_modules/@mui/monorepo/packages/api-docs-builder"],
+    "@mui-internal/api-docs-builder/*": [
+      "./node_modules/@mui/monorepo/packages/api-docs-builder/*"
+    ],
+    "@mui-internal-scripts/generate-llms-txt": [
+      "./node_modules/@mui/monorepo/packages-internal/scripts/generate-llms-txt/src"
+    ],
+    "@mui-internal-scripts/generate-llms-txt/*": [
+      "./node_modules/@mui/monorepo/packages-internal/scripts/generate-llms-txt/src/*"
+    ],
+    "test/*": ["./test/*"],
+    "docs/src/modules/utils/mapApiPageTranslations": [
+      "./docs/src/modules/utils/mapApiPageTranslations.js"
+    ],
+    "docs/*": ["./node_modules/@mui/monorepo/docs/*"],
+    "docsx/*": ["./docs/*"]
+  }
+}

package.json

@@ -60,7 +60,8 @@
     "generate:exports": "node scripts/generateDeepExports.mjs",
     "validate": "concurrently \"pnpm prettier && pnpm eslint\" \"pnpm proptypes\" \"pnpm docs:typescript:formatted\" \"pnpm docs:api\"",
     "clean:node_modules": "rimraf --glob \"**/node_modules\"",
-    "clean": "pnpm -r exec rm -rf build tsconfig.build.tsbuildinfo"
+    "clean": "pnpm -r exec rm -rf build tsconfig.build.tsbuildinfo",
+    "knip": "knip"
   },
   "devDependencies": {
     "@atlaskit/pragmatic-drag-and-drop-unit-testing": "1.1.1",
@@ -117,6 +118,7 @@
     "execa": "9.6.1",
     "globby": "16.1.1",
     "jsdom": "26.1.0",
+    "knip": "^6.1.0",
     "lerna": "9.0.4",
     "markdownlint-cli2": "0.21.0",
     "moment": "catalog:",

packages/x-charts-premium/src/BarChartPremium/RangeBar/useUtilityClasses.ts

@@ -13,7 +13,7 @@ export interface RangeBarClasses {
 
 export type RangeBarClassKey = keyof RangeBarClasses;
 
-export function getRangeBarUtilityClass(slot: string) {
+function getRangeBarUtilityClass(slot: string) {
   return generateUtilityClass('MuiRangeBar', slot);
 }
 

packages/x-charts-premium/src/ChartsContainerPremium/useChartsContainerPremiumProps.ts

@@ -9,7 +9,7 @@ import { DEFAULT_PLUGINS, type AllPluginSignatures } from '../internals/plugins/
 import type { ChartsContainerPremiumProps } from './ChartsContainerPremium';
 import type { ChartsDataProviderPremiumProps } from '../ChartsDataProviderPremium';
 
-export type UseChartsContainerPremiumPropsReturnValue<
+type UseChartsContainerPremiumPropsReturnValue<
   SeriesType extends ChartSeriesType,
   TSignatures extends readonly ChartAnyPluginSignature[],
 > = Pick<

packages/x-charts-premium/src/HeatmapPremium/index.ts

@@ -1 +1,2 @@
 export * from './HeatmapPremium';
+export * from './HeatmapPremium.plugins';

packages/x-charts-premium/src/HeatmapPremium/useHeatmapPremiumProps.ts

@@ -2,7 +2,7 @@ import { useHeatmapProps } from '@mui/x-charts-pro/internals';
 import { type HeatmapPremiumProps } from './HeatmapPremium';
 import { type HeatmapPlotPremiumProps } from './HeatmapPlotPremium';
 
-export type UseHeatmapPremiumProps = HeatmapPremiumProps;
+type UseHeatmapPremiumProps = HeatmapPremiumProps;
 
 export function useHeatmapPremiumProps(props: UseHeatmapPremiumProps) {
   const { chartsDataProviderProProps, heatmapPlotProps, ...other } = useHeatmapProps(props);

packages/x-charts-premium/src/context/index.ts

@@ -3,3 +3,4 @@ export * from '@mui/x-charts-pro/context';
 // End of re-export-block
 
 export type { ChartPremiumApi } from './ChartPremiumApi';
+export * from './useChartPremiumApiContext';

packages/x-charts-pro/src/ChartsToolbarPro/internals/ChartsMenu.tsx

@@ -10,7 +10,7 @@ import {
   type Placement,
 } from '../../internals/slots/chartBaseSlotProps';
 
-export interface ChartsMenuProps extends Pick<ChartBasePopperProps, 'className' | 'onExited'> {
+interface ChartsMenuProps extends Pick<ChartBasePopperProps, 'className' | 'onExited'> {
   open: boolean;
   target: HTMLElement | null;
   onClose: (event?: Event) => void;

packages/x-charts-pro/src/ChartsToolbarPro/internals/ChartsToolbarDivider.tsx

@@ -6,7 +6,7 @@ import { NotRendered, useChartsSlots } from '@mui/x-charts/internals';
 import { type ChartsBaseSlotsPro } from '../../internals/slots/chartsBaseSlots';
 import { type ChartBaseDividerProps } from '../../internals/slots/chartBaseSlotProps';
 
-export interface ChartsToolbarDividerProps extends ChartBaseDividerProps {}
+interface ChartsToolbarDividerProps extends ChartBaseDividerProps {}
 
 // This is workaround because api-docs-builder does not support the `NotRendered<ChartBaseDividerProps>` syntax.
 const NotRenderedDivider = NotRendered as unknown as React.ComponentType<ChartBaseDividerProps>;

packages/x-charts-pro/src/ChartsZoomSlider/internals/ChartsAxisZoomSliderPreviewContent.tsx

@@ -2,7 +2,7 @@ import * as React from 'react';
 import { type AxisId, selectorChartSeriesProcessed, useStore } from '@mui/x-charts/internals';
 import { seriesPreviewPlotMap } from './seriesPreviewPlotMap';
 
-export interface ChartsAxisZoomSliderPreviewContentProps {
+interface ChartsAxisZoomSliderPreviewContentProps {
   axisId: AxisId;
   x: number;
   y: number;

packages/x-charts-pro/src/ChartsZoomSlider/internals/ChartsAxisZoomSliderThumb.tsx

@@ -37,7 +37,7 @@ export interface ChartsZoomSliderThumbOwnerState {
   placement: 'start' | 'end';
 }
 
-export interface ChartsZoomSliderThumbProps
+interface ChartsZoomSliderThumbProps
   extends Omit<React.ComponentProps<'rect'>, 'orientation'>, ChartsZoomSliderThumbOwnerState {}
 
 function preventDefault(event: Event) {

packages/x-charts-pro/src/ChartsZoomSlider/internals/chartsAxisZoomSliderThumbClasses.ts

@@ -27,7 +27,7 @@ export const chartsAxisZoomSliderThumbClasses: ChartsAxisZoomSliderThumbClasses
     'end',
   ]);
 
-export function getAxisZoomSliderThumbUtilityClass(slot: string) {
+function getAxisZoomSliderThumbUtilityClass(slot: string) {
   return generateUtilityClass('MuiChartAxisZoomSliderThumb', slot);
 }
 

packages/x-charts-pro/src/ChartsZoomSlider/internals/chartsAxisZoomSliderTrackClasses.ts

@@ -25,7 +25,7 @@ export const chartsAxisZoomSliderTrackClasses: ChartsAxisZoomSliderTrackClasses
   return acc;
 }, {} as ChartsAxisZoomSliderTrackClasses);
 
-export function getAxisZoomSliderTrackUtilityClass(slot: string) {
+function getAxisZoomSliderTrackUtilityClass(slot: string) {
   // We use the `ClassNameGenerator` because the original `generateUtilityClass` function
   // has a special case for the `active` slot.
   return `${ClassNameGenerator.generate('MuiChartAxisZoomSliderTrack')}-${slot}`;

packages/x-charts-pro/src/ChartsZoomSlider/internals/previews/AreaPreviewPlot.tsx

@@ -38,7 +38,7 @@ export function AreaPreviewPlot({ axisId }: AreaPreviewPlotProps) {
   );
 }
 
-export interface PreviewAreaElementProps extends Omit<
+interface PreviewAreaElementProps extends Omit<
   React.SVGProps<SVGPathElement>,
   'ref' | 'color' | 'id'
 > {

packages/x-charts-pro/src/ChartsZoomSlider/internals/previews/LinePreviewPlot.tsx

@@ -30,7 +30,7 @@ export function LinePreviewPlot({ axisId }: LinePreviewPlotProps) {
   );
 }
 
-export interface PreviewLineElementProps extends Omit<
+interface PreviewLineElementProps extends Omit<
   React.SVGProps<SVGPathElement>,
   'ref' | 'color' | 'id'
 > {

packages/x-charts-pro/src/FunnelChart/FunnelSection.tsx

@@ -14,7 +14,7 @@ export interface FunnelSectionProps extends Omit<React.SVGProps<SVGPathElement>,
   variant?: 'filled' | 'outlined';
 }
 
-export const FunnelSectionPath = styled('path', {
+const FunnelSectionPath = styled('path', {
   name: 'MuiFunnelChart',
   slot: 'Section',
 })(() => ({

packages/x-charts-pro/src/FunnelChart/FunnelSectionLabel.tsx

@@ -28,7 +28,7 @@ export interface FunnelSectionLabelProps extends Omit<
   dataIndex: number;
 }
 
-export const FunnelSectionLabelText = styled('text', {
+const FunnelSectionLabelText = styled('text', {
   name: 'MuiFunnelChart',
   slot: 'SectionLabel',
 })(() => ({

packages/x-charts-pro/src/FunnelChart/funnelAxisPlugin/computeAxisValue.ts

@@ -34,7 +34,7 @@ import {
   type ScaleName,
 } from '@mui/x-charts/models';
 
-export const xRangeGetter = (
+const xRangeGetter = (
   drawingArea: ChartDrawingArea,
   reverse?: boolean,
   removedSpace: number = 0,
@@ -46,7 +46,7 @@ export const xRangeGetter = (
   return reverse ? [range[1], range[0]] : [range[0], range[1]];
 };
 
-export const yRangeGetter = (
+const yRangeGetter = (
   drawingArea: ChartDrawingArea,
   reverse?: boolean,
   removedSpace: number = 0,
@@ -69,7 +69,7 @@ function getRange(
     : yRangeGetter(drawingArea, axis.reverse, removedSpace);
 }
 
-export type ComputeResult<T extends ChartsAxisProps> = {
+type ComputeResult<T extends ChartsAxisProps> = {
   axis: ComputedAxisConfig<T>;
   axisIds: string[];
 };

packages/x-charts-pro/src/FunnelChart/funnelAxisPlugin/useChartFunnelAxisRendering.selectors.ts

@@ -12,8 +12,7 @@ import {
 import { computeAxisValue } from './computeAxisValue';
 import { type UseChartFunnelAxisSignature } from './useChartFunnelAxis.types';
 
-export const selectorFunnel = (state: ChartState<[], [UseChartFunnelAxisSignature]>) =>
-  state.funnel;
+const selectorFunnel = (state: ChartState<[], [UseChartFunnelAxisSignature]>) => state.funnel;
 
 export const selectorFunnelGap = createSelector(selectorFunnel, (funnel) => funnel?.gap ?? 0);
 

packages/x-charts-pro/src/FunnelChart/funnelClasses.ts

@@ -1,7 +1,6 @@
 import generateUtilityClass from '@mui/utils/generateUtilityClass';
 import composeClasses from '@mui/utils/composeClasses';
 import generateUtilityClasses from '@mui/utils/generateUtilityClasses';
-import { type SeriesId } from '@mui/x-charts/internals';
 
 export interface FunnelClasses {
   /** Styles applied to the funnel plot element. */
@@ -18,16 +17,7 @@ export interface FunnelClasses {
 
 export type FunnelClassKey = keyof FunnelClasses;
 
-export interface FunnelSectionOwnerState {
-  seriesId: SeriesId;
-  dataIndex: number;
-  color: string;
-  isFaded: boolean;
-  isHighlighted: boolean;
-  classes?: Partial<FunnelClasses>;
-}
-
-export function getFunnelUtilityClass(slot: string) {
+function getFunnelUtilityClass(slot: string) {
   return generateUtilityClass('MuiFunnelChart', slot);
 }
 
@@ -41,7 +31,7 @@ export const funnelClasses: FunnelClasses = generateUtilityClasses('MuiFunnelCha
   'sectionLabelOutlined',
 ]);
 
-export interface UseUtilityClassesOptions {
+interface UseUtilityClassesOptions {
   variant?: 'filled' | 'outlined';
   classes?: Partial<FunnelClasses>;
 }

packages/x-charts-pro/src/Heatmap/heatmapClasses.ts

@@ -28,7 +28,7 @@ export interface HeatmapClasses {
 
 export type HeatmapClassKey = keyof HeatmapClasses;
 
-export function getHeatmapUtilityClass(slot: string) {
+function getHeatmapUtilityClass(slot: string) {
   // Those should be common to all charts
   if (['highlighted', 'faded'].includes(slot)) {
     return generateUtilityClass('Charts', slot);

packages/x-charts-pro/src/Heatmap/index.ts

@@ -4,7 +4,7 @@ export { HeatmapPlot, type HeatmapPlotProps } from './HeatmapPlot';
 export type { HeatmapPlotSlots, HeatmapPlotSlotProps } from './Heatmap.types';
 export * from './FocusedHeatmapCell';
 export { HeatmapCell } from './HeatmapCell';
-export type { HeatmapCellProps, HeatmapCellOwnerState } from './HeatmapCell';
+export type { HeatmapCellProps, HeatmapCellOwnerState, HeatmapItemOwnerState } from './HeatmapCell';
 export * from './HeatmapTooltip';
 export * from './Heatmap.plugins';
 export { heatmapClasses } from './heatmapClasses';

packages/x-charts-pro/src/Heatmap/useHeatmapProps.ts

@@ -18,7 +18,7 @@ import { type ChartsDataProviderProProps } from '../ChartsDataProviderPro';
 import { type HeatmapSeriesType } from '../models/seriesType';
 import { type HeatmapPlotProps } from './HeatmapPlot';
 
-export type UseHeatmapProps = HeatmapProps;
+type UseHeatmapProps = HeatmapProps;
 
 const seriesConfig = { heatmap: heatmapSeriesConfig };
 

packages/x-charts-pro/src/SankeyChart/SankeyLinkElement.tsx

@@ -7,7 +7,7 @@ import type { SankeyLayoutLink, SankeyLinkIdentifierWithData } from './sankey.ty
 import { useSankeyLinkHighlightState } from './sankeyHighlightHooks';
 import { useUtilityClasses } from './sankeyClasses';
 
-export interface SankeyLinkElementProps {
+interface SankeyLinkElementProps {
   /**
    * The series ID to which the link belongs
    */

packages/x-charts-pro/src/SankeyChart/SankeyLinkLabel.tsx

@@ -5,7 +5,7 @@ import { type SankeyLayoutLink } from './sankey.types';
 import { useSankeySeries } from '../hooks/useSankeySeries';
 import { useUtilityClasses } from './sankeyClasses';
 
-export interface SankeyLinkLabelProps {
+interface SankeyLinkLabelProps {
   /**
    * The link data
    */