---
import { Chart } from "astro-charts/components";
import { ChartColors, transparentize } from "astro-charts/utils";
---

<html lang="en">
  <head>
    <title>Example Chart</title>
  </head>
  <body>
    <div class="p-4 mx-auto max-w-screen-md">
      <Chart
        type="line"
        options={{
          devicePixelRatio: 1,
          scales: { y: { beginAtZero: true } },
        }}
        data={{
          labels: ["1", "2", "3"],
          datasets: [
            {
              label: "Sessions",
              data: [123, 234, 234],
              borderColor: ChartColors.Red,
              backgroundColor: transparentize(ChartColors.Red, 0.5),
              borderWidth: 1,
            },
            {
              label: "Users",
              data: [346, 233, 123],
              borderColor: ChartColors.Blue,
              backgroundColor: transparentize(ChartColors.Blue, 0.5),
              borderWidth: 1,
            },
          ],
        }}
      />
    </div>
  </body>
</html>

[SSR] Responding as an image

his page will provide the landing page of the site, which has an image link to an API route, which will send a request to /api/pages/chart.ts to render the chart.

/pages/index.astro

<html lang="en">
  <head>
    <title>Example Chart</title>
  </head>
  <body>
    <div class="p-4 mx-auto max-w-screen-md">
      <img
        src="/api/chart"
        class="mx-auto my-4 h-96"
        alt="an example chart provided as an image"
      />
    </div>
  </body>
</html>

/pages/api/chart.ts

import { renderChart } from "astro-charts";
import { ChartColors, transparentize } from "astro-charts/utils";

export function GET() {
  const cfg = { count: 7, min: -100, max: 100 };
  return renderChart({
    type: "line",
    data: {
      labels: ["1", "2", "3"],
      datasets: [
        {
          label: "Sessions",
          data: [123, 234, 234],
          borderColor: ChartColors.Red,
          backgroundColor: transparentize(ChartColors.Red, 0.5),
          borderWidth: 1,
        },
        {
          label: "Users",
          data: [346, 233, 123],
          borderColor: ChartColors.Blue,
          backgroundColor: transparentize(ChartColors.Blue, 0.5),
          borderWidth: 1,
        },
      ],
    },
    options: {
      devicePixelRatio: 1,
      scales: { y: { beginAtZero: true } },
    },
  });
}

[CSR] Inline chart example

import { ChartColors } from "astro-charts/utils";
import { Chart } from "astro-charts/react";

export default function Home() {
  return (
    <>
      <div class="p-4 mx-auto max-w-screen-md">
        <Chart
          type="line"
          options={{
            scales: { y: { beginAtZero: true } },
          }}
          data={{
            labels: ["1", "2", "3"],
            datasets: [
              {
                label: "Sessions",
                data: [123, 234, 234],
                borderColor: ChartColors.Red,
                borderWidth: 1,
              },
              {
                label: "Users",
                data: [346, 233, 123],
                borderColor: ChartColors.Blue,
                borderWidth: 1,
              },
            ],
          }}
        />
      </div>
    </>
  );
}

License

MIT

Keywords

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Package last updated on 21 Oct 2024

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