build: generate sourcemap info for stacktraces

hopefully anyway

Makefile

@@ -41,6 +41,7 @@ wasm: wasm-dist static-prep
 
 wasm-dist: web/src/*.rs web/src/components/*.rs
 	cd web; sh ../scripts/wasm-build.sh debug
+	cd web; sh ../scripts/wasm-sourcemap.sh
 
 clean:
 	rm -rf web/dist/*

flake.lock

@@ -1,5 +1,21 @@
 {
   "nodes": {
+    "cargo-wasm2map-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1693927731,
+        "narHash": "sha256-oqJ9ZZLvUK57A9Kf6L4pPrW6nHqb+18+JGKj9HfIaaM=",
+        "owner": "mtolmacs",
+        "repo": "wasm2map",
+        "rev": "c7d80748b7f3af37df24770b9330b17aa9599e3e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mtolmacs",
+        "repo": "wasm2map",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -31,24 +47,6 @@
         "type": "github"
       }
     },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1681202837,
-        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "gitignore": {
       "flake": false,
       "locked": {
@@ -114,6 +112,7 @@
     },
     "root": {
       "inputs": {
+        "cargo-wasm2map-src": "cargo-wasm2map-src",
         "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
         "gitignore": "gitignore",
@@ -142,21 +141,6 @@
         "repo": "rust-overlay",
         "type": "github"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -11,8 +11,9 @@
         };
         naersk.url = "github:nix-community/naersk";
         flake-compat = { url = "github:edolstra/flake-compat"; flake = false; };
+		cargo-wasm2map-src = { url = "github:mtolmacs/wasm2map"; flake = false; };
     };
-    outputs = {nixpkgs, flake-utils, rust-overlay, naersk, ...}:
+    outputs = {nixpkgs, flake-utils, rust-overlay, naersk, cargo-wasm2map-src, ...}:
         let
             kitchenGen = (import ./nix/kitchen/default.nix);
             kitchenWasmGen = (import ./nix/kitchenWasm/default.nix);
@@ -42,9 +43,16 @@
                 wasm-pack = wasm-packGen {
                     inherit rust-wasm naersk-lib pkgs;
                 };
+				cargo-wasm2map = naersk-lib.buildPackage {
+					pname = "cargo-wasm2map";
+					version = "v0.1.0";
+					build-inputs = [ rust-wasm ];
+					src = cargo-wasm2map-src;
+					cargoBuildOptions = opts: opts ++ ["-p" "cargo-wasm2map" ];
+				};
                 wasm-bindgen = pkgs.callPackage wasm-bindgenGen { inherit pkgs; };
                 kitchenWasm = kitchenWasmGen {
-                    inherit pkgs rust-wasm wasm-bindgen version;
+                    inherit pkgs rust-wasm wasm-bindgen version cargo-wasm2map;
                     lockFile = ./Cargo.lock;
                     outputHashes = {
                         # I'm maintaining some patches for these so the lockfile hashes are a little
@@ -89,7 +97,7 @@
                     program = "${kitchen}/bin/kitchen";
                 };
                 devShell = pkgs.callPackage ./nix/devShell/default.nix {
-                    inherit rust-wasm wasm-bindgen;
+                    inherit rust-wasm wasm-bindgen cargo-wasm2map;
                     wasm-pack-hermetic = wasm-pack;
                 };
             } 

nix/devShell/default.nix

@@ -1,8 +1,8 @@
 let
     lib = import ../lib/lib.nix;
 in
-{ pkgs, rust-wasm, wasm-pack-hermetic, wasm-bindgen }:
+{ pkgs, rust-wasm, wasm-pack-hermetic, wasm-bindgen, cargo-wasm2map }:
 with pkgs;
 mkShell {
-    buildInputs = (lib.darwin-sdk pkgs) ++ (with pkgs; [wasm-bindgen wasm-pack-hermetic llvm clang rust-wasm binaryen]);
+    buildInputs = (lib.darwin-sdk pkgs) ++ (with pkgs; [wasm-bindgen wasm-pack-hermetic llvm clang rust-wasm binaryen cargo-wasm2map]);
 }

nix/kitchenWasm/default.nix

@@ -4,6 +4,7 @@
  wasm-bindgen,
  lockFile,
  outputHashes,
+ cargo-wasm2map,
 }:
 with pkgs;
 let
@@ -18,7 +19,7 @@ stdenv.mkDerivation {
     inherit src pname;
     version = version;
     # we need wasmb-bindgen v0.2.83 exactly
-    buildInputs = [ rust-wasm wasm-bindgen wasm-pack binaryen];
+    buildInputs = [ rust-wasm wasm-bindgen wasm-pack binaryen cargo-wasm2map];
     propagatedBuildInputs = [ rust-wasm wasm-bindgen wasm-pack binaryen];
     phases = [ "postUnpackPhase" "buildPhase"];
     postUnpackPhase = ''
@@ -34,6 +35,7 @@ stdenv.mkDerivation {
 		export project=kitchen
 		sh ../scripts/wasm-build.sh release
 		sh ../scripts/wasm-opt.sh release
+		sh ../scripts/wasm-sourcemap.sh
         rm -f $out/kitchen_wasm_bg.wasm
         cp -r index.html $out
         cp -r favicon.ico $out

scripts/wasm-sourcemap.sh

@@ -0,0 +1,3 @@
+set -x
+
+cargo-wasm2map wasm2map --patch $out/${project}_wasm_bg.wasm --base-url=http://localhost:3030