Inflearn コミュニティ Q&A

<template>
  <div>
    <canvas id="myChart" width="400" height="400"></canvas>
  </div>
</template>

<script lang="ts">
import Vue from "vue";
import { Chart, registerables } from "chart.js";

Chart.register(...registerables);

export default Vue.extend({
  mounted() {
    const ctx = (
      document.getElementById("myChart") as HTMLCanvasElement
    ).getContext("2d");

    if (ctx) {
      const myChart = new Chart(ctx, {
        type: "bar",
        data: {
          labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
          datasets: [
            {
              label: "# of Votes",
              data: [12, 19, 3, 5, 2, 3],
              backgroundColor: [
                "rgba(255, 99, 132, 0.2)",
                "rgba(54, 162, 235, 0.2)",
                "rgba(255, 206, 86, 0.2)",
                "rgba(75, 192, 192, 0.2)",
                "rgba(153, 102, 255, 0.2)",
                "rgba(255, 159, 64, 0.2)",
              ],
              borderColor: [
                "rgba(255, 99, 132, 1)",
                "rgba(54, 162, 235, 1)",
                "rgba(255, 206, 86, 1)",
                "rgba(75, 192, 192, 1)",
                "rgba(153, 102, 255, 1)",
                "rgba(255, 159, 64, 1)",
              ],
              borderWidth: 1,
            },
          ],
        },
        options: {
          scales: {
            y: {
              beginAtZero: true,
            },
          },
        },
      });
    }
  },
});
</script>