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How to change table columns width from an array of objects using BootstrapVue in VueJS?

July 27, 2022

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To change the table column width from the data array of objects using BootstrapVue in VueJS.We are using the <b-table> to create the table and for the change table columns width we are using the fields array of objects, in the fields data we are using the thStyle object to change the table columns width in BootstrapVue.

Today I am going to show you How do you change the table columns width using the BootstrapVue in vueJS?

Table of contains

  • Install the Bootstrap and BootstrapVue
  • Create FirstComponent.vue and import it into App.js
  • Define items Arrays of objects property for Test
  • Define fields Array of objects for table columns
  • Define the thStyle object in fields Arrays of objects
  • Using the b-table tag create table

Let’s start today’s tutorial How do I change the table columns width in bootstrap-vue?

Install the Bootstrap and BootstrapVue

First, we have to install the Vue project, I had installed the vueJS in my system. If you haven’t installed or have any problem with installation you can follow this article, it will show you step by step process of installation. In that article, I had also show you how to install BootstrapVue in your vue.js project step by step.

How to install or configure vue-bootstrap in VueJS?

Create FirstComponent.vue and import it into App.js

Create the new component into src/components/ components folder.the component name is FirstComponent.vue and import into App.js file:

App.js

<template>
  <div id="app">
    <FirstComponent />
  </div>
</template>

<script>
import FirstComponent from "./components/FirstComponent.vue";
export default {
  name: "App",
  components: {
    FirstComponent,
  },
};
</script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>

Define items Arrays of objects property for Test

Let’s define the items in the data of the FirstComponent.vue component for testing purposes.

FirstComponent.vue

<script>
export default {
    name: 'FirstComponent',
    data() {
        return{
            items: [
                { id: 1, site_name: "SortoutCode", site_url: "https://sortoutcode.com/",status:"Active" },
                { id: 2, site_name: "Aguidehub", site_url: "https://aguidehub.com/",status:"Active" },
                { id: 3, site_name: "Infinitbility", site_url: "https://infinitbility.com/",status:"Active" },
                { id: 4, site_name: "Test", site_url: "https://test.com/",status:"Inactive" },
            ],
        }
    },
}
</script>

Data is used to define properties in a particular component. In a single-file component, data() is a function that returns a set of properties that have been described in the function.

we define the items you can see that.

Define fields Array of objects for table columns

Let’s define the fields in the data of the FirstComponent.vue, Fields data can be a simple array, for defining the order of the columns, and which columns to display. We are going to use the fields array data as the table heading:

FirstComponent.vue

<script>
export default {
    name: 'FirstComponent',
    data() {
        return{
            fields:[
                {
                  key: "id",
                  label: "No.",
                },
                {
                  key: "site_name",
                  label: "Website Title"
                },
                {
                  key: "site_url",
                  label: "Website Link"
                },
                {
                  key: "status",
                  label: "Website Status"
                }
            ],
            items: [
                { id: 1, site_name: "SortoutCode", site_url: "https://sortoutcode.com/",status:"Active" },
                { id: 2, site_name: "Aguidehub", site_url: "https://aguidehub.com/",status:"Active" },
                { id: 3, site_name: "Infinitbility", site_url: "https://infinitbility.com/",status:"Active" },
                { id: 4, site_name: "Test", site_url: "https://test.com/",status:"Inactive" },
            ],
        }
    },
}
</script>

Define the thStyle object in fields Arrays of objects

thStyle object represent the CSS styles.if you define the CSS,the declared the style will applied on the table <thead>/<tfoot> field <th>. we are going to use the width CSS property:

FirstComponent.vue

<script>
export default {
    name: 'FirstComponent',
    data() {
        return{
            fields:[
                {
                  key: "id",
                  label: "No.",
                  thStyle: { width: "40%" },
                },
                {
                  key: "site_name",
                  label: "Website Title",
                  thStyle: { width: "20%" },
                },
                {
                  key: "site_url",
                  label: "Website Link",
                  thStyle: { width: "20%" },
                },
                {
                  key: "status",
                  label: "Website Status",
                  thStyle: { width: "20%" },
                }
            ],
            items: [
                { id: 1, site_name: "SortoutCode", site_url: "https://sortoutcode.com/",status:"Active" },
                { id: 2, site_name: "Aguidehub", site_url: "https://aguidehub.com/",status:"Active" },
                { id: 3, site_name: "Infinitbility", site_url: "https://infinitbility.com/",status:"Active" },
                { id: 4, site_name: "Test", site_url: "https://test.com/",status:"Inactive" },
            ],
        }
    },
}
</script>

Using the b-table tag create table

<b-table> automatically samples the first row of the key of the array into the table heading. and All the first row of the array of keys Field names are automatically humanized by converting kebab-case, snake_case, and camelCase to individual words and capitalizing each word. you can see some of the examples listed below:

  • first_name becomes First Name
  • last-name becomes Last Name
  • age becomes Age
  • YEAR remains YEAR
  • isActive becomes Is Active

you can pass the table fields data as the array of objects, it will provide you with extra control over the fields. Only columns (keys) that appear in the fields array will be shown:

You can see the final codes for b-table,

FirstComponent.vue

<template>
  <div class="hello">
    <b-table striped hover :items="items" :fields="fields"></b-table>
  </div>
</template>

<script>
export default {
  name: "FirstComponent",
  data() {
    return {
        fields:[
                {
                  key: "id",
                  label: "No.",
                  thStyle: { width: "40%" },
                },
                {
                  key: "site_name",
                  label: "Website Title",
                  thStyle: { width: "20%" },
                },
                {
                  key: "site_url",
                  label: "Website Link",
                  thStyle: { width: "20%" },
                },
                {
                  key: "status",
                  label: "Website Status",
                  thStyle: { width: "20%" },
                }
            ],
        items: [
            { id: 1, site_name: "SortoutCode", site_url: "https://sortoutcode.com/",status:"Active" },
            { id: 2, site_name: "Aguidehub", site_url: "https://aguidehub.com/",status:"Active" },
            { id: 3, site_name: "Infinitbility", site_url: "https://infinitbility.com/",status:"Active" },
            { id: 4, site_name: "Test", site_url: "https://test.com/",status:"Inactive" },
        ],
    };
  },
};
</script>

<style scoped>
h3 {
  margin: 40px 0 0;
}
ul {
  list-style-type: none;
  padding: 0;
}
li {
  display: inline-block;
  margin: 0 10px;
}
a {
  color: #42b983;
}
</style>

For now, let’s check the output.

Output

include() Method

All the best đź‘Ť.

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