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Get Search Suggestions While Typing in React

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by Abdul Rawoof A R dot icon Updated: Feb 20, 2023

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To get the search suggestions while the user types in the search bar in React, the text input will contain a list of matching words with the input text, and we can control that view visibility when the user selects a word from the list. 


In React, the search bar should trigger a search using the search query that the user provided, and this means we should filter the data inside the handleChange function as well. We should also keep track of the filtered data in the state. To display the suggested search result based on the user query, we can use the map() method to display the search results invokes looping over the list array and displaying the data or information for each item. To handle more than one search parameter, we can create React and hooks, together with the JavaScript events, and create a custom search element that filters a data array. The function which checks only if the query of the user matches one property title in the objects inside the array is the filter function. We can also improve the search functionality by using the logical OR operator to match the user query to other objects' properties. 


Here is an example of how you can get search suggestions while typing in React: 

Fig : Preview of the output that you will get on running this code from your IDE.

Code

In this solution we're using React solution.

How can I update component whenever typing in input tag in React?

Lines of Code : 41dotLicense : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries : 
const GithubSearcher = () => {
  const [repos, setRepos] = React.useState();

  const getGithubRepo = q => {
    fetch("https://api.github.com/search/repositories?q=" + q)
      .then(res => {
        return res.json();
      })
      .then(json => {
        let formattedJson = json.items.map(itm => {
          return itm.name;
        })
        setRepos(formattedJson);
      });
  }

  const handleOnChange = event => {
    let qry = event.target.value;
    if(qry) { 
      setTimeout(() => {
        getGithubRepo(qry);
      }, 500);
    } else {
      setRepos("");
    }
  };

  return (
    <div>
      <p>Search Github</p>
      <input onChange={event => handleOnChange(event)} type="text" />
      <pre>
        {repos ? "Repo Names:" + JSON.stringify(repos, null, 2) : ""}
      </pre>
    </div>
  );
};

ReactDOM.render(<GithubSearcher />, document.body);
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.8.6/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.8.6/umd/react-dom.production.min.js"></script>

Instructions

Follow the steps carefully to get the output easily.

  1. Install the Node.js and React on your IDE(preferable Visual Studio Code).
  2. Create React Application using npx create-react-app foldername.
  3. cd foldername.
  4. Open the folder in IDE.
  5. Copy the code using "copy" button above and paste it in index.js file(remove the earlier code from index.js) then paste the script tag in index.html file.
  6. Import React and ReactDOM in index.js file.
  7. Add export default statement at end of the code(like 'export default GithubSearcher;').
  8. Open the terminal from IDE.
  9. npm start to run the file.


I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.


I found this code snippet by searching for 'how can i update component whenever typing in input tag in react' in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created in Visual Studio Code 1.73.1.
  2. The solution is tested on node v18.12.1 and npm v8.19.2.
  3. React version-18.2.0.


Using this solution, we are able to get suggestions while typing in react with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to get suggestions while typing in react.

Dependent Library

reactby facebook

JavaScript doticonstar image 209050 doticonVersion:v18.2.0doticon
License: Permissive (MIT)

The library for web and native user interfaces

Support
    Quality
      Security
        License
          Reuse

            reactby facebook

            JavaScript doticon star image 209050 doticonVersion:v18.2.0doticon License: Permissive (MIT)

            The library for web and native user interfaces
            Support
              Quality
                Security
                  License
                    Reuse

                      You can also search for any dependent libraries on kandi like 'react'.

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