Question 208634 in Javascript Question posted in
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Javascript – Is there a library or technique to support query parameters in getStaticProps in Next.js?

I’m using Next.js for my application and I have a page where I need to fetch data at build time using the getStaticProps function. I want to be able to handle query parameters in this function, but by default, it doesn’t provide direct support for query parameters.

Is there a recommended library or technique that I can use to handle query parameters within the getStaticProps function in Next.js?

I’ve come across the query-string library, but I’m not sure if it’s the best approach or if there are any other alternatives available. I would appreciate any suggestions or examples that can help me achieve this functionality.

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2

Answers


  1. 0

    In Next.js, handling query parameters in the getStaticProps function can be achieved using the built-in query object available in the context parameter. However, if you prefer using a library to handle query parameters, query-string is indeed a popular choice.

    The query-string library provides utility functions for parsing and stringifying query parameters. It can be used effectively in the getStaticProps function to handle query parameters. Here’s an example of how you can use query-string in Next.js:

    1. Install the query-string library using npm or yarn:
    npm install query-string

    or

    yarn add query-string
    1. Import the library in your Next.js page file:
    import queryString from 'query-string';
    1. Use queryString.parse() to parse the query parameters in the getStaticProps function:
    export async function getStaticProps(context) {
  // Get the query parameters from the context
  const { query } = context;

  // Parse the query parameters using queryString.parse()
  const parsedQuery = queryString.parse(query);

  // Access the individual query parameters
  const { param1, param2 } = parsedQuery;

  // Fetch data based on the query parameters
  // ...

  return {
    // Return the data as props
    props: {
      // ...
    },
  };
}

    Using query-string allows you to easily parse and access the query parameters within the getStaticProps function.

    Alternatively, if you prefer not to use a library, you can directly access the query parameters from the context object’s query property. For example:

    export async function getStaticProps(context) {
  const { query } = context;

  // Access the individual query parameters
  const { param1, param2 } = query;

  // Fetch data based on the query parameters
  // ...

  return {
    // Return the data as props
    props: {
      // ...
    },
  };
}

    Both approaches should work effectively in handling query parameters within the getStaticProps function in Next.js. Choose the one that suits your preferences and project requirements.

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  2. 0

    query parameters is usually used for filtering, sorting, or pagination. those are dynamic, changes by user choice and your results also changes by the stored data in database. Based on your need, you have to use getServerSideProps which runs for every request in pages directory pages.

    getStaticProps runs only at build time. (in dev mode, it runs in every request). At build time, next.js will generate static html’s and serve those html files.

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