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Fork of the default gatsby starter

  • With: newsq.js component with a static query that doesn't exist on the homepage
  • page-2.js contains a reference to the newsq.js component. This will mean page-2 will have page-data referencing the static query ID inside newsq.js

Steps to reproduce the error

  • Build the static site npx gatsby build
  • Host the static files via any HTTP server (eg. npx serve public)
  • Visit the homepage in your browser (eg. http://localhost:5000/)
  • Keep this page open whilst continuing with the following steps
  • Go into the code and make a non-whitespace change to the static query in newsq.js (eg. change description to title)
  • Run a cache clear npx gatsby clean
  • Run a new build npx gatsby build
  • Now try to click into page-2 in your open browser window via the link on the page
  • You will notice it tries to fetch the old static query but can't and then fails to parse the 404 page HTML as JSON

This will happen to production sites between changes to static query contents. This might also happen in other use cases where the page-data is stale and has not been reloaded between two builds. Note: you do not need to be running gatsby clean for your public folder to be blown away (the reason the stale static query returns a 404). For example changes to gatsby-node.js will also cause an uncached build to run.


Gatsby

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  1. Create a Gatsby site.

    Use the Gatsby CLI to create a new site, specifying the default starter.

    # create a new Gatsby site using the default starter
    gatsby new my-default-starter https://github.com/gatsbyjs/gatsby-starter-default
  2. Start developing.

    Navigate into your new site’s directory and start it up.

    cd my-default-starter/
    gatsby develop
  3. Open the source code and start editing!

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    Open the my-default-starter directory in your code editor of choice and edit src/pages/index.js. Save your changes and the browser will update in real time!

🧐 What's inside?

A quick look at the top-level files and directories you'll see in a Gatsby project.

.
├── node_modules
├── src
├── .gitignore
├── .prettierrc
├── gatsby-browser.js
├── gatsby-config.js
├── gatsby-node.js
├── gatsby-ssr.js
├── LICENSE
├── package-lock.json
├── package.json
└── README.md
  1. /node_modules: This directory contains all of the modules of code that your project depends on (npm packages) are automatically installed.

  2. /src: This directory will contain all of the code related to what you will see on the front-end of your site (what you see in the browser) such as your site header or a page template. src is a convention for “source code”.

  3. .gitignore: This file tells git which files it should not track / not maintain a version history for.

  4. .prettierrc: This is a configuration file for Prettier. Prettier is a tool to help keep the formatting of your code consistent.

  5. gatsby-browser.js: This file is where Gatsby expects to find any usage of the Gatsby browser APIs (if any). These allow customization/extension of default Gatsby settings affecting the browser.

  6. gatsby-config.js: This is the main configuration file for a Gatsby site. This is where you can specify information about your site (metadata) like the site title and description, which Gatsby plugins you’d like to include, etc. (Check out the config docs for more detail).

  7. gatsby-node.js: This file is where Gatsby expects to find any usage of the Gatsby Node APIs (if any). These allow customization/extension of default Gatsby settings affecting pieces of the site build process.

  8. gatsby-ssr.js: This file is where Gatsby expects to find any usage of the Gatsby server-side rendering APIs (if any). These allow customization of default Gatsby settings affecting server-side rendering.

  9. LICENSE: This Gatsby starter is licensed under the 0BSD license. This means that you can see this file as a placeholder and replace it with your own license.

  10. package-lock.json (See package.json below, first). This is an automatically generated file based on the exact versions of your npm dependencies that were installed for your project. (You won’t change this file directly).

  11. package.json: A manifest file for Node.js projects, which includes things like metadata (the project’s name, author, etc). This manifest is how npm knows which packages to install for your project.

  12. README.md: A text file containing useful reference information about your project.

🎓 Learning Gatsby

Looking for more guidance? Full documentation for Gatsby lives on the website. Here are some places to start:

  • For most developers, we recommend starting with our in-depth tutorial for creating a site with Gatsby. It starts with zero assumptions about your level of ability and walks through every step of the process.

  • To dive straight into code samples, head to our documentation. In particular, check out the Guides, API Reference, and Advanced Tutorials sections in the sidebar.

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