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babel-handbook
:blue_book: A guided handbook on how to use Babel and how to create plugins for Babel.
Remember that we earlier established that every source gets parsed into an AST at some point before it gets compiled or interpreted. For example, platforms like Nodejs and chromium-based browsers use Gooogle's V8 engine behind the scenes to run JavaScript and of course, some AST parsing is always involved before the interpreter kicks in. I looked V8's source and I discovered it uses its own internal parser to achieve this.
Remember that we earlier established that every source gets parsed into an AST at some point before it gets compiled or interpreted. For example, platforms like Nodejs and chromium-based browsers use Gooogle's V8 engine behind the scenes to run JavaScript and of course, some AST parsing is always involved before the interpreter kicks in. I looked V8's source and I discovered it uses its own internal parser to achieve this.
Why do we then have other JavaScript parsers like babel parser, swc parser, acorn, espree and the likes since JavaScript engines have their own internal parsers?
Code transpilation isn't specific to JavaScript, You can also add a level of transformation to your CSS source using tools like post-css. Most languages with a fairly mature ecosystem will probably have some tools to help with code transformation.
Why do we then have other JavaScript parsers like babel parser, swc parser, acorn, espree and the likes since JavaScript engines have their own internal parsers?
As you may have noticed, this isn't a comprehensive "How to Create a Babel Plugin" tutorial, so we won't spend too much time talking about how to Create a plugin. Instead, we'll begin with a template that I have exclusively designed for this article. This template is hosted in a monolithic repository, which simplifies the management of multiple packages within a single project. The template has two plugins in its plugin directory, one Babel plugin and another Eslint plugin. You can access the repository on GitHub.
Disclaimer: If you've already developed Babel or ESLint plugins, this article may not be as beneficial for you, as you're likely already familiar with the majority of the content covered here.
Babel plugins are everywhere. From being used to remove unwanted exports from files in Gatsby to being used to disallow users from doing re-exports in Nextjs.
Disclaimer: If you've already developed Babel or ESLint plugins, this article may not be as beneficial for you, as you're likely already familiar with the majority of the content covered here.
Babel plugins are everywhere. From being used to remove unwanted exports from files in Gatsby to being used to disallow users from doing re-exports in Nextjs.
For more information about building Babel plugins, check the Kent's Babel Handbook or this awesome Babel handbook by Jamie.
For more information about building Babel plugins, check the Kent's Babel Handbook or this awesome Babel handbook by Jamie.
The super tiny compiler by Jamie