Getting Started with Vue 3 in Vue HeatMap Chart component
This section explains how to use HeatMap component in Vue 3 application.
Prerequisites
vue:3+node:10.15+vue-class-component:8.0.0-rc.1
Creating Vue application using Vue CLI
The easiest way to create a Vue application is to use the Vue CLI. Vue CLI versions above 4.5.0 are mandatory for creating applications using Vue 3. Use the following command to uninstall older versions of the Vue CLI.
npm uninstall vue-cli -gUse the following commands to install the latest version of Vue CLI.
npm install -g @vue/cli
npm install -g @vue/cli-initCreate a new project using the command below.
vue create quickstart
cd quickstartInitiating a new project prompts us to choose the type of project to be used for the current application. Select the option Default (Vue 3 Preview) from the menu.
Adding Syncfusion HeatMap package in the application
Syncfusion Vue packages are maintained in the npmjs.com registry.
The HeatMap component will be used in this example. To install it use the following command.
npm install @syncfusion/ej2-vue-heatmap --saveAdding Syncfusion Vue HeatMap component in the application
You have completed all the necessary configurations needed for rendering the Syncfusion Vue component. Now, you are going to add the HeatMap component using following steps.
- Import the HeatMap component in the
<script>section of thesrc/App.vuefile.
<script>
import { HeatMapComponent } from "@syncfusion/ej2-vue-heatmap";
</script>- Register the HeatMap component as like in the below code snippet.
import { HeatMapComponent } from "@syncfusion/ej2-vue-heatmap";
export default {
name: "App",
components: {
"ejs-heatmap": HeatMapComponent
}
}- Add the component definition in template section.
<template>
<ejs-heatmap id="heatmap" :dataSource='dataSource' :xAxis='xAxis' :yAxis='yAxis' :titleSettings='titleSettings' :legendSettings='legendSettings' :cellSettings='cellSettings' :showTooltip='showTooltip'></ejs-heatmap>
</template>Note: The heat map components are segregated into individual feature-wise modules. To use its feature, you need to inject its feature by using provide.
- Summarizing the above steps, update the
src/App.vuefile with following code.
<template>
<ejs-heatmap id="heatmap" :dataSource='dataSource' :xAxis='xAxis' :yAxis='yAxis' :titleSettings='titleSettings' :legendSettings='legendSettings' :cellSettings='cellSettings' :showTooltip='showTooltip'></ejs-heatmap>
</template>
<script>
import { HeatMapComponent, Tooltip, Legend } from "@syncfusion/ej2-vue-heatmap";
export default {
name: "App",
components: {
"ejs-heatmap": HeatMapComponent
},
provide: {
heatmap:[Tooltip, Legend]
},
data() {
return {
xAxis: {
labels: ['Nancy', 'Andrew','Janet', 'Margaret', 'Steven', 'Michael', 'Robert', 'Laura', 'Anne', 'Paul', 'Karin', 'Mario'],
},
yAxis:{
labels: ['Mon', 'Tues', 'Wed', 'Thurs', 'Fri', 'Sat'],
},
cellSettings: {
showLabel: true,
},
titleSettings: {
text: 'Sales Revenue per Employee (in 1000 US$)',
textStyle: {
size: '15px',
fontWeight: '500',
fontStyle: 'Normal',
fontFamily: 'Segoe UI'
}
},
dataSource: [
[73, 39, 26, 39, 94, 0],
[93, 58, 53, 38, 26, 68],
[99, 28, 22, 4, 66, 90],
[14, 26, 97, 69, 69, 3],
[7, 46, 47, 47, 88, 6],
[41, 55, 73, 23, 3, 79],
[56, 69, 21, 86, 3, 33],
[45, 7, 53, 81, 95, 79],
[60, 77, 74, 68, 88, 51],
[25, 25, 10, 12, 78, 14],
[25, 56, 55, 58, 12, 82],
[74, 33, 88, 23, 86, 59]
],
legendSettings: {
visible:true,
position: 'Right',
showLabel: true,
height: "150"
},
showTooltip:true
}
}
}
</script>Running the application
Run the application using the following command.
npm run serveWeb server will be initiated, Open the quick start app in the browser at port localhost:8080.
