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README.md

WebAssembly (WASM)

Go can compile to WebAssembly, which you can then use from JavaScript in a Browser or similar environments (Node, Deno, Bun etc.). You could also target WASI (WebAssembly System Interface) and run it in a standalone runtime (wazero, wasmtime, Wasmer), but in this example we focus on the Browser use case.

How to run

  1. Compile the chromem-go WASM binding to WebAssembly:
    1. cd /path/to/chromem-go/wasm
    2. GOOS=js GOARCH=wasm go build -o ../examples/webassembly/chromem-go.wasm
  2. Copy Go's wrapper JavaScript:
    1. cp $(go env GOROOT)/misc/wasm/wasm_exec.js ../examples/webassembly/wasm_exec.js
  3. Serve the files
    1. cd ../examples/webassembly
    2. go run github.com/philippgille/serve@latest -b localhost -p 8080 or similar
  4. Open http://localhost:8080 in your browser