build: get rid of wasm-pack

It get's doing naughty things with network access.

flake.lock

@@ -31,21 +31,6 @@
         "type": "github"
       }
     },
-    "flake-utils_2": {
-      "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "gitignore": {
       "flake": false,
       "locked": {
@@ -96,11 +81,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1679174867,
+        "lastModified": 1719152388,
-        "narHash": "sha256-fFxb8wN3bjOMvHPr63Iyzo3cuHhQzWW03UkckfTeBWU=",
+        "narHash": "sha256-pHg0nzAa2ZM+zFamfsY7ZvVaB19pMr5wl4G5nO0J7eU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f5ec87b82832736f1624874fd34eb60c0b68bdd6",
+        "rev": "be54c7d931a68ba6a79f097ce979288e90a74288",
         "type": "github"
       },
       "original": {
@@ -121,17 +106,16 @@
     },
     "rust-overlay": {
       "inputs": {
-        "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1678397831,
+        "lastModified": 1718681902,
-        "narHash": "sha256-7xbxSoiht8G+Zgz55R0ILPsTdbnksILCDMIxeg8Buns=",
+        "narHash": "sha256-E/T7Ge6ayEQe7FVKMJqDBoHyLhRhjc6u9CmU8MyYfy0=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "bdf08e2f43488283eeb25b4a7e7ecba9147a955c",
+        "rev": "16c8ad83297c278eebe740dea5491c1708960dd1",
         "type": "github"
       },
       "original": {

flake.nix

@@ -25,7 +25,7 @@
             let
                 overlays = [ rust-overlay.overlays.default ];
                 pkgs = import nixpkgs { inherit system overlays; };
-                rust-wasm = pkgs.rust-bin.stable."1.68.0".default.override {
+                rust-wasm = pkgs.rust-bin.stable."1.77.0".default.override {
                   extensions = [ "rust-src" ];
                   # Add wasm32 as an extra target besides the native target.
                   targets = [ "wasm32-unknown-unknown" ];

nix/kitchenWasm/default.nix

@@ -34,12 +34,20 @@ stdenv.mkDerivation {
     '';
     # TODO(jwall): Build this from the root rather than the src.
     buildPhase = ''
+        set -x
         echo building with wasm-pack
+        wasm-pack --version
         mkdir -p $out
         cd web
         cp -r static $out
-        RUST_LOG=info wasm-pack build --mode no-install --release --target web --out-dir $out ${features};
+        cargo build --lib --release --target wasm32-unknown-unknown --target-dir $out --offline
+        wasm-bindgen $out/wasm32-unknown-unknown/release/kitchen_wasm.wasm --out-dir $out --typescript --target web
+        wasm-opt $out/kitchen_wasm_bg.wasm -o $out/kitchen_wasm_bg-opt.wasm -O
+        rm -f $out/kitchen_wasm_bg.wasm
+        mv $out/kitchen_wasm_bg-opt.wasm $out/kitchen_wasm_bg.wasm
         cp -r index.html $out
         cp -r favicon.ico $out
+        rm -rf $out/release
+        rm -rf $out/wasm32-unknown-unknown
     '';
 }