Recharts : une librairie pour créer vos graphiques sur React

Par:
francoistonic

mer, 15/10/2025 - 18:31

Connaissez-vous Recharts ? Il s'agit d'une librairie JavaScript pour créer des graphiques sur mesure dans vos projets React :

- les graphs sont réutilisables sur React

- on peut personnaliser les graphs, la présentation, l'apparence, etc.

- support du SVG

Le principe est simple :

1 on choisit le type de graph

2 on ajoute les composants nécessaires par exemple une grille

3 on ajuste les données et le graph

4 on définit les interactions autorisées

5 on exécute !

On peut créer des graphes simples avec une ou plusieurs lignes, des barres, des courbes, des graphs par points.

Exemple d'un TreepMap :

import React from 'react';
import { Treemap, ResponsiveContainer } from 'recharts';

const data = [
{
name: 'axis',
children: [
{ name: 'Axes', size: 1302 },
{ name: 'Axis', size: 24593 },
{ name: 'AxisGridLine', size: 652 },
{ name: 'AxisLabel', size: 636 },
{ name: 'CartesianAxes', size: 6703 },
],
},
{
name: 'controls',
children: [
{ name: 'AnchorControl', size: 2138 },
{ name: 'ClickControl', size: 3824 },
{ name: 'Control', size: 1353 },
{ name: 'ControlList', size: 4665 },
{ name: 'DragControl', size: 2649 },
{ name: 'ExpandControl', size: 2832 },
{ name: 'HoverControl', size: 4896 },
{ name: 'IControl', size: 763 },
{ name: 'PanZoomControl', size: 5222 },
{ name: 'SelectionControl', size: 7862 },
{ name: 'TooltipControl', size: 8435 },
],
},
{
name: 'data',
children: [
{ name: 'Data', size: 20544 },
{ name: 'DataList', size: 19788 },
{ name: 'DataSprite', size: 10349 },
{ name: 'EdgeSprite', size: 3301 },
{ name: 'NodeSprite', size: 19382 },
{
name: 'render',
children: [
{ name: 'ArrowType', size: 698 },
{ name: 'EdgeRenderer', size: 5569 },
{ name: 'IRenderer', size: 353 },
{ name: 'ShapeRenderer', size: 2247 },
],
},
{ name: 'ScaleBinding', size: 11275 },
{ name: 'Tree', size: 7147 },
{ name: 'TreeBuilder', size: 9930 },
],
},
{
name: 'events',
children: [
{ name: 'DataEvent', size: 7313 },
{ name: 'SelectionEvent', size: 6880 },
{ name: 'TooltipEvent', size: 3701 },
{ name: 'VisualizationEvent', size: 2117 },
],
},
{
name: 'legend',
children: [
{ name: 'Legend', size: 20859 },
{ name: 'LegendItem', size: 4614 },
{ name: 'LegendRange', size: 10530 },
],
},
{
name: 'operator',
children: [
{
name: 'distortion',
children: [
{ name: 'BifocalDistortion', size: 4461 },
{ name: 'Distortion', size: 6314 },
{ name: 'FisheyeDistortion', size: 3444 },
],
},
{
name: 'encoder',
children: [
{ name: 'ColorEncoder', size: 3179 },
{ name: 'Encoder', size: 4060 },
{ name: 'PropertyEncoder', size: 4138 },
{ name: 'ShapeEncoder', size: 1690 },
{ name: 'SizeEncoder', size: 1830 },
],
},
{
name: 'filter',
children: [
{ name: 'FisheyeTreeFilter', size: 5219 },
{ name: 'GraphDistanceFilter', size: 3165 },
{ name: 'VisibilityFilter', size: 3509 },
],
},
{ name: 'IOperator', size: 1286 },
{
name: 'label',
children: [
{ name: 'Labeler', size: 9956 },
{ name: 'RadialLabeler', size: 3899 },
{ name: 'StackedAreaLabeler', size: 3202 },
],
},
{
name: 'layout',
children: [
{ name: 'AxisLayout', size: 6725 },
{ name: 'BundledEdgeRouter', size: 3727 },
{ name: 'CircleLayout', size: 9317 },
{ name: 'CirclePackingLayout', size: 12003 },
{ name: 'DendrogramLayout', size: 4853 },
{ name: 'ForceDirectedLayout', size: 8411 },
{ name: 'IcicleTreeLayout', size: 4864 },
{ name: 'IndentedTreeLayout', size: 3174 },
{ name: 'Layout', size: 7881 },
{ name: 'NodeLinkTreeLayout', size: 12870 },
{ name: 'PieLayout', size: 2728 },
{ name: 'RadialTreeLayout', size: 12348 },
{ name: 'RandomLayout', size: 870 },
{ name: 'StackedAreaLayout', size: 9121 },
{ name: 'TreeMapLayout', size: 9191 },
],
},
{ name: 'Operator', size: 2490 },
{ name: 'OperatorList', size: 5248 },
{ name: 'OperatorSequence', size: 4190 },
{ name: 'OperatorSwitch', size: 2581 },
{ name: 'SortOperator', size: 2023 },
],
},
];

const COLORS = ['#8889DD', '#9597E4', '#8DC77B', '#A5D297', '#E2CF45', '#F8C12D'];

const CustomizedContent = (props) => {
const { root, depth, x, y, width, height, index, payload, colors, rank, name } = props;

return (
<g>
<rect
x={x}
y={y}
width={width}
height={height}
style={{
fill: depth < 2 ? colors[Math.floor((index / root.children.length) * 6)] : '#ffffff00',
stroke: '#fff',
strokeWidth: 2 / (depth + 1e-10),
strokeOpacity: 1 / (depth + 1e-10),
}}
/>
{depth === 1 ? (
<text x={x + width / 2} y={y + height / 2 + 7} textAnchor="middle" fill="#fff" fontSize={14}>
{name}
</text>
) : null}
{depth === 1 ? (
<text x={x + 4} y={y + 18} fill="#fff" fontSize={16} fillOpacity={0.9}>
{index + 1}
</text>
) : null}
</g>
);
};

const Example = () => {
return (
<ResponsiveContainer width="100%" height="100%">
<Treemap
width={400}
height={200}
data={data}
dataKey="size"
stroke="#fff"
fill="#8884d8"
content={<CustomizedContent colors={COLORS} />}
/>
</ResponsiveContainer>
);
};

export default Example;