The HTTP parser used by undici
is a WebAssembly build of llhttp
.
While the project itself provides a way to compile targeting WebAssembly, at the moment we embed the sources
directly and compile the module in undici
.
The deps/llhttp/include
folder contains the C header files, while the deps/llhttp/src
folder contains
the C source files needed to compile the module.
The lib/llhttp
folder contains the .js
transpiled assets required to implement a parser.
The following are the steps required to perform an update.
Clone the llhttp project
git clone [email protected]:nodejs/llhttp.git
cd llhttp
git checkout <tag>
npm i
This requires docker installed on your machine.
npm run build-wasm
cp build/wasm/*.js <your-path-to-undici>/lib/llhttp/
cp build/wasm/*.js.map <your-path-to-undici>/lib/llhttp/
cp build/wasm/*.d.ts <your-path-to-undici>/lib/llhttp/
cp src/native/api.c src/native/http.c build/c/llhttp.c <your-path-to-undici>/deps/llhttp/src/
cp src/native/api.h build/llhttp.h <your-path-to-undici>/deps/llhttp/include/
This requires docker installed on your machine.
cd <your-path-to-undici>
npm run build:wasm
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