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@wordpress/create-block (create-block for short) is a Node package that provides the officially supported way to create blocks.

The basic structure the script provides is as follows:

├── build
│  ├── block.json
│  ├── index.asset.php
│  ├── index.css
│  ├──
│  ├── index.js
│  ├──
│  ├── style-index.css
│  └──
├── node_modules
├── demo-block.php
├── package-lock.json
├── package.json
├── readme.txt
└── src
    ├── block.json
    ├── edit.js
    ├── editor.scss
    ├── index.js
    ├── save.js
    └── style.scss

The script also installs the @wordpress/scripts package, which is a set of tools to make working with WordPress easier.

You can run the package with the following command inside your server's plugins directory:

npx @wordpress/create-block rw-demo-block \
    --template @wordpress/create-block-tutorial-template \
    --title "Demo Block" \
    --namespace rivendellweb \
    --short-description "Another awesome block" \
    --category "widgets"

This command will give you all the tools you need to create a block along with a pre-filled plugin to start working from.

The command will not install the plugin on your server. You have to do the installation and activation manually.

You can also create your own base templates and use them with create-block and host them in Github so you can run them with the create-block command.

The template contains at minimum the following files:

  • An index.js file to run the template creation
  • One or more mustache templates that will be processed when we create a block based on the template. These templates include SCSS style
  • Optional package.json with the template metadata. We are not installing any modules from the template.

Once you have the template ready to go you can run the code locally

npx @wordpress/create-block --template ~/path/to/my-template/

or from NPM

npx @wordpress/create-block --template my-template

For a good example of how custom templates work, see Marcus Kazmierczak's overview of the process in Make your own create-block templates. You can also see the code from his tutorial on Github and use it on your projects by running:

npx  @wordpress/create-block --template mkaz-block-template

The create-block script automates a lot of the tedious tasks of creating a block. There are other ways to do it, but this is the way the WordPress team recommends.

Edit on Github