tvl-depot/users/kranzes/wasm-hello-world/default.nix

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{ pkgs, lib, ... }:
(pkgs.pkgsCross.wasm32-unknown-none.callPackage ./Cargo.nix { }).rootCrate.build.overrideAttrs (oldAttrs: {
installPhase = ''
${lib.getExe pkgs.wasm-bindgen-cli} \
--target web \
--out-dir $out \
--out-name ${oldAttrs.crateName} \
--no-typescript \
target/lib/${oldAttrs.crateName}-${oldAttrs.metadata}.wasm
mv src/*.html $out
'';
})