How do I create a rosca chart in JavaScript?

Install with `npm install katucharts.js`, then call KatuCharts.chart(container, { chart: { type: 'donut' }, series: [...] }).

Why does my rosca chart render as a line chart?

The chart type was not registered. KatuCharts logs "KatuCharts: unknown series type " ", falling back to line" and draws a line chart rather than throwing. Import the module the type belongs to — for example `import 'katucharts.js/bio';` — before creating the chart.

Why do I get "Cannot read properties of null (reading 'appendChild')"?

The container element does not exist when the chart is created. Create the chart after the element is in the DOM: in React that means inside useEffect, not during render.

Why is the chart rendering with zero height?

The container has no height. A div with no content collapses to zero. Give it a height in CSS, or pass `chart: { height: 400 }` in the options.

Pizza / Hierárquico

Rosca

type: 'donut'

Gráfico de pizza com um raio interno cortado. Idêntico a pizza com innerSize definido.

Edite o JSON à direita e pressione Executar (ou ⌘/Ctrl + Enter) — dados, títulos, categorias e cores se atualizam ao vivo.

Ao Vivo

Rosca

Editar · JSON

Formato de dados

{ name, y }

Estrutura de dados

O JSON que você passa dentro do gráfico — coloque direto na sua series.

data: [
  { name: 'A', y: 35 },
  { name: 'B', y: 25 },
  { name: 'C', y: 40 }
]

Exemplo

import KatuCharts from 'katucharts.js';

KatuCharts.chart('container', {
  chart: { type: 'donut' },
  series: [{
    innerSize: '60%',
    data: [
      { name: 'A', y: 35 },
      { name: 'B', y: 25 },
      { name: 'C', y: 40 }
    ]
  }]
});

Opções específicas do tipo

Opção	Descrição
`innerSize`	Diâmetro do buraco, ex. '60%'.
`(todas as opções de pizza)`	center, angles, slicedOffset.

Variações

Semicírculo

Meio donut com startAngle / endAngle — ideal para uma única proporção.

KatuCharts.chart('container', {
  chart: { type: 'donut' },
  series: [{
    innerSize: '60%', startAngle: -90, endAngle: 90,
    dataLabels: { enabled: true, format: '{point.name}: {point.y}' },
    data: [{ name: 'Used', y: 68 }, { name: 'Free', y: 32 }]
  }]
});

Common errors

Why does my rosca chart render as a line chart?: The chart type was not registered. KatuCharts logs "KatuCharts: unknown series type "<type>", falling back to line" and draws a line chart rather than throwing. Import the module the type belongs to — for example `import 'katucharts.js/bio';` — before creating the chart.
Why do I get "Cannot read properties of null (reading 'appendChild')"?: The container element does not exist when the chart is created. Create the chart after the element is in the DOM: in React that means inside useEffect, not during render.
Why is the chart rendering with zero height?: The container has no height. A div with no content collapses to zero. Give it a height in CSS, or pass `chart: { height: 400 }` in the options.

FAQ

How do I create a rosca chart in JavaScript?: Install with `npm install katucharts.js`, then call KatuCharts.chart(container, { chart: { type: 'donut' }, series: [...] }).
Why does my rosca chart render as a line chart?: The chart type was not registered. KatuCharts logs "KatuCharts: unknown series type "<type>", falling back to line" and draws a line chart rather than throwing. Import the module the type belongs to — for example `import 'katucharts.js/bio';` — before creating the chart.
Why do I get "Cannot read properties of null (reading 'appendChild')"?: The container element does not exist when the chart is created. Create the chart after the element is in the DOM: in React that means inside useEffect, not during render.
Why is the chart rendering with zero height?: The container has no height. A div with no content collapses to zero. Give it a height in CSS, or pass `chart: { height: 400 }` in the options.

Opções comuns (color, visible, marker, dataLabels, animation, events, zones…) se aplicam a cada tipo — veja Configuração → series. Veja renderizado na galeria.