"Let's talk about plugins. Plugins are extensions to applications. If we build an application, it would be very nice if we could allow the community to build extensions and extend our application. What are the requirements for allowing the community to build extensions? First of all, it would be great if the community could use its own language, programming languages in this case, to write the extension."
"The provider of the extension might not want to share the code. Basically, everything boils down to, we want to run third-party code in our application. In order to do this, we have a few options. One is, if we don't want to share the code, we need to compile the extension. This is the C-ABI. The C-ABI is the most standard way of library interaction. It was built in the '70s."
WebAssembly components enable safe, language-agnostic plugins that extend applications by running third-party code inside sandboxed environments. Extensions can be compiled to protect proprietary algorithms and avoid exposing source code while preserving near-native performance. The classic C ABI provides a standard, fast mechanism for library interaction but carries legacy limitations. Sandboxing and isolation are important because application providers trust the main application but not arbitrary extensions. A plugin system must allow developers to use their preferred languages, execute efficiently, and avoid turning the host application into a backdoor for the user’s computer.
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