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ReactJS Evergreen Autocomplete Component

  • Last Updated : 05 Jun, 2021

React Evergreen is a popular front-end library with a set of React components for building beautiful products as this library is flexible, sensible defaults, and User friendly. Autocomplete Component is used for auto-completing the free text value with the option value. It basically allows the user to type and select the item from a list of options. We can use the following approach in ReactJS to use the Evergreen Autocomplete Component.

Autocomplete Props:

  • title: It is used to provide a title for the items.
  • items: It is used to denote an array of items to be used as options for the selection.
  • selectedItem: It is used to denote the selected Item to be shown on the Autocomplete.
  • itemToString: It is a function that is used on each item to return the string that will be shown on the filter in case the array of items is not an array of strings.
  • children: It is a function that is used to render the ‘filter’ component.
  • itemSize: It is used to denote the height of each item in the list.
  • renderItem: It is a function that returns a component to render the item.
  • position: It is used for the position of the popover.
  • itemsFilter: It is a function that is used to filter the items.
  • isFilterDisabled: It is used to enable and disable filtering.
  • popoverMinWidth: It is used to denote the minimum height of the result’s container.
  • popoverMaxHeight: It is used to denote the maximum height of the result’s container.
  • allowOtherValues: It is used to indicate whether the input accepts arbitrary user input beyond the provided items or not.

AutocompleteItem Props:

  • children: It is used to pass the children element for this component.
  • style: It is used to pass the styling for the component.
  • isSelected: It is used to indicate whether the item is selected or not.
  • isHighlighted: It is used to indicate whether to highlight the item or not.

 



Creating React Application And Installing Module:

  • Step 1: Create a React application using the following command:

    npx create-react-app foldername
  • Step 2: After creating your project folder i.e. foldername, move to it using the following command:

    cd foldername
  • Step 3: After creating the ReactJS application, Install the required module using the following command:

    npm install evergreen-ui

Project Structure: It will look like the following.

Project Structure

Example: Now write down the following code in the App.js file. Here, App is our default component where we have written our code.

App.js




import React from 'react'
import { Autocomplete, TextInput } from 'evergreen-ui'
  
export default function App() {
  return (
    <div style={{
      display: 'block', width: 700, paddingLeft: 30
    }}>
      <h4>ReactJS Evergreen Autocomplete Component</h4>
      <Autocomplete
        title="Weekdays"
        items={['Monday', 'Tuesday', 'Wednesday', 'Thursday'
                'Friday', 'Saturday', 'Sunday']}
      >
        {props => {
          return (
            <TextInput
              placeholder="Enter Weekday"
              ref={props.getRef}
              value={props.inputValue}
              {... props.getInputProps()}
            />
          )
        }}
      </Autocomplete>
    </div>
  );
}

Step to Run Application: Run the application using the following command from the root directory of the project:

npm start

Output: Now open your browser and go to http://localhost:3000/, you will see the following output:

Reference: https://evergreen.segment.com/components/autocomplete/props




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