How to implement filtering feature in Vuetify data tables

Data tables in Vuetify

Vuetify provides a powerful and feature-rich data table component that allows us to display tabular data in a structured and interactive format. The Vuetify data table offers various functionalities, including:

  • Sorting

  • Filtering

  • Pagination

  • Customization options

Filtering

Vuetify data tables offer a range of powerful features, with the filtration feature being a standout functionality. The filtration feature enables users to seamlessly search and filter data within the table, eliminating the need to reload the page or make additional API calls. This enhanced user experience allows users to swiftly locate specific information within vast datasets, resulting in more efficient data exploration and analysis.

The filtering capability in Vuetify’s v-data-table component empowers users to search and filter the displayed data based on specific criteria. It provides an intuitive and user-friendly way to narrow the data and swiftly find relevant information. By setting the search property, we can enable data filtering across all columns based on the input text, making it a seamless and effective way to interact with data. Fusing these features ensures that Vuetify data tables offer a robust and streamlined data manipulation experience for developers and end-users alike.

Let's implement it in the following playground:

{
  "compilerOptions": {
    "target": "es5",
    "module": "esnext",
    "baseUrl": "./",
    "moduleResolution": "node",
    "paths": {
      "@/*": [
        "src/*"
      ]
    },
    "lib": [
      "esnext",
      "dom",
      "dom.iterable",
      "scripthost"
    ]
  }
}
Implementing filter functionality

Explanation

Let's review the code above:

  • Lines 7–11: We add a v-text-field , which is an input field. On the basis of that input, we'll search deserts by their name.

  • Line 15: We provide the data to display using the :items prop.

  • Line 32: We use the search property to enable data filtering in data tables.

  • Lines 132–138: We create a computed property filteredDesserts() that returns filtered deserts on the basis of searched keywords.

    • const query = this.search.toLowerCase();: We create a constant variable query that stores the lowercase version of the this.search data property.

    • const name = dessert.name.toLowerCase();: We create a constant variable name that stores the lowercase version of the name property of each dessert object.

    • return name.includes(query);: This line is the filtering logic. It checks whether the name (lowercase dessert name) includes the query (lowercase search query). The includes method checks if a string includes a specific substring, and it returns true if the name includes the query, meaning it is a match for the search. If it's a match, the filter method keeps the current dessert object in the resulting array; otherwise, it is filtered out.

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