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emnapi WebAssembly build #1674

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@toyobayashi toyobayashi commented Jan 20, 2023

I created emnapi for porting Node.js addons written in Node-API to Emscripten WebAssembly. I successfully built this project to wasm, all test cases passed except the one related to async_hooks, which is not supported by emnapi.

yarn node-pre-gyp configure --nodedir=./wasm --target_arch=wasm32
emmake yarn node-pre-gyp build --nodedir=./wasm --target_arch=wasm32
npx --arch=wasm32 yarn test

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Update:

emnapi 0.28.1 has added the async_hooks support on Node.js. All test passed on my local machine.

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@toyobayashi
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Could you please enable CI for me?

@toyobayashi
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const binding_path = binary.find(path.resolve(path.join(__dirname,'../package.json')), {
target_arch: process.env.npm_config_target_arch || process.env.npm_config_arch || process.arch
});
let binding = require(binding_path);

not sure why npx --arch=wasm32 yarn test doesn't work in CI, seems node-pre-gyp find wrong binding path

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