[FLI-934] Investigate alternative node-ffi libraries

[markphelps]

See #191

It seems node-ffi-api is not compatible with Node v21+ (node-ffi-napi/node-ffi-napi#267)

We should look into alternative ways to support node v21+ such as https://github.com/Koromix/koffi

_FLI-934

[erka]

As an option trying to switch another fork like https://www.npmjs.com/package/@2060.io/ffi-napi

[piclemx]

We also get that with only node 20.12.1.

I guess https://koffi.dev/ or https://github.com/zhangyuang/node-ffi-rs/blob/master/README.md could be interesting.

[piclemx]

or the other options will be to used the WASM engine instead of the ffi engine.

[markphelps]

Yah I'm working on the wasm lib now. Very close just working out some kinks.

#226

[markphelps]

Fixed in #255

[markphelps]

@erka when trying to do the release and run npm run build I get the following:

flipt-client-sdks/flipt-client-node - [node-ffi-release] » npm run build

> @flipt-io/[email protected] build
> tsc

node_modules/@types/ffi-napi/index.d.ts:469:9 - error TS2717: Subsequent property declarations must have the same type.  Property 'ffi_type' must be of type 'PFFI_TYPE | undefined', but here has type 'PFFI_TYPE | undefined'.

469         ffi_type?: PFFI_TYPE | undefined;
            ~~~~~~~~

  node_modules/@2060.io/ffi-napi/types/index.d.ts:448:9
    448         ffi_type?: PFFI_TYPE | undefined;
                ~~~~~~~~
    'ffi_type' was also declared here.


Found 1 error in node_modules/@types/ffi-napi/index.d.ts:469

Seems there is a types mismatch.

[markphelps]

Actually, I think I may have fixed it here: https://github.com/flipt-io/flipt-client-sdks/compare/node-ffi-release

can you give it 👀 ?