vue-chartjs

vue-chartjs

vue-chartjs is a wrapper for Chart.js in vue. You can easily create reuseable chart components.

Supports Chart.js v3 and v2.

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Install

Install this library with peer dependencies:

pnpm add vue-chartjs chart.js
# or
yarn add vue-chartjs chart.js
# or
npm i vue-chartjs chart.js

We recommend using chart.js@^3.0.0.

Need an API to fetch data? Consider Cube, an open-source API for data apps.

How to use

This package works with version 2.x and 3.x of Vue.

Import the component.

import { Bar } from 'vue-chartjs'

For Vue 2 projects, you need to import from vue-chartjs/legacy.

import { Bar } from 'vue-chartjs/legacy'

Just create your own component.

<template>
  <Bar
    :chart-options="chartOptions"
    :chart-data="chartData"
    :chart-id="chartId"
    :dataset-id-key="datasetIdKey"
    :plugins="plugins"
    :css-classes="cssClasses"
    :styles="styles"
    :width="width"
    :height="height"
  />
</template>

<script>
import { Bar } from 'vue-chartjs'
import { Chart as ChartJS, Title, Tooltip, Legend, BarElement, CategoryScale, LinearScale } from 'chart.js'

ChartJS.register(Title, Tooltip, Legend, BarElement, CategoryScale, LinearScale)

export default {
  name: 'BarChart',
  components: { Bar },
  props: {
    chartId: {
      type: String,
      default: 'bar-chart'
    },
    datasetIdKey: {
      type: String,
      default: 'label'
    },
    width: {
      type: Number,
      default: 400
    },
    height: {
      type: Number,
      default: 400
    },
    cssClasses: {
      default: '',
      type: String
    },
    styles: {
      type: Object,
      default: () => {}
    },
    plugins: {
      type: Array,
      default: () => []
    }
  },
  data() {
    return {
      chartData: {
        labels: [ 'January', 'February', 'March' ],
        datasets: [ { data: [40, 20, 12] } ]
      },
      chartOptions: {
        responsive: true
      }
    }
  }
}
</script>

or in TypeScript

// BarChart.ts
import { defineComponent, h, PropType } from 'vue'
import { Bar } from 'vue-chartjs'
import { Chart as ChartJS, Title, Tooltip, Legend, BarElement, CategoryScale, LinearScale, PluginOptionsByType } from 'chart.js'

ChartJS.register(Title, Tooltip, Legend, BarElement, CategoryScale, LinearScale)

export default defineComponent({
  name: 'BarChart',
  components: { Bar },
  props: {
    chartId: {
      type: String,
      default: 'bar-chart'
    },
    width: {
      type: Number,
      default: 400
    },
    height: {
      type: Number,
      default: 400
    },
    cssClasses: {
      default: '',
      type: String
    },
    styles: {
      type: Object as PropType<Partial<CSSStyleDeclaration>>,
      default: () => {}
    },
    plugins: {
      type: Array as PropType<Plugin<'bar'>[]>,
      default: () => []
    }
  },
  setup(props) {
    const chartData = {
      labels: [ 'January', 'February', 'March' ],
      datasets: [ { data: [40, 20, 12] } ]
    }

    const chartOptions = { responsive: true }

    return () =>
      h(Bar, {
        chartData,
        chartOptions,
        chartId: props.chartId,
        width: props.width,
        height: props.height,
        cssClasses: props.cssClasses,
        styles: props.styles,
        plugins: props.plugins
      })
  }
})

Use it in your vue app

<template>
  <BarChart />
</template>

<script>
import BarChart from 'path/to/component/BarChart'

export default {
  name: 'App',
  components: { BarChart }
}
</script>

Docs

• Reactivity
• Access to Chart instance
• Migration to v4
• API
• Examples

Build Setup

# install dependencies
pnpm install

# build for production with minification
pnpm build

# run unit tests
pnpm unit

# run all tests
pnpm test

Contributing

• Fork it ( https://github.com/apertureless/vue-chartjs/fork )
• Create your feature branch (git checkout -b my-new-feature)
• Commit your changes (git commit -am 'Add some feature')
• Push to the branch (git push origin my-new-feature)
• Create a new Pull Request

License

This software is distributed under MIT license.

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