Dioxus: Difference between revisions

← Older edit

VisualWikitext

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 ==== ''wasm-bindgen'' mismatch ====
+'''Note:''' As of Nixpkgs 25.11, the ''wasm-bindgen-cli'' is automatically bundled with the correct version when using ''dioxus-cli'', so the workarounds described below are no longer necessary.
 A common issue when using the ''dioxus-cli'' version from Nixpkgs is encountering the following error:<syntaxhighlight lang="text">
 it looks like the Rust project used to create this Wasm file was linked against
@@ Line 75: / Line 77: @@
      hash = pkgs.lib.fakeHash;
    };
-};</syntaxhighlight>
+};</syntaxhighlight>'''Example flake.nix'''<syntaxhighlight lang="nix">
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    # For installing non-standard rustc versions
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
+  };
+  outputs = {
+    self,
+    rust-overlay,
+    nixpkgs,
+  }:
+  {
+    devShells.x86_64-linux.default = let
+      pkgs = import nixpkgs {
+        system = "x86_64-linux";
+        overlays = [
+          rust-overlay.overlays.default
+        ];
+      };
+      rustShellToolchain = (pkgs.rust-bin.selectLatestNightlyWith (t: t.default)).override {
+        extensions = ["rust-src" "rust-analyzer"];
+        targets = [ "wasm32-unknown-unknown" ];
+      };
+      dioxus-cli = pkgs.dioxus-cli.overrideAttrs (_: {
+        postPatch = ''
+          rm Cargo.lock
+          cp ${./Dioxus.lock} Cargo.lock
+        '';
+        cargoDeps = pkgs.rustPlatform.importCargoLock {
+          lockFile = ./Dioxus.lock;
+        };
+      });
+      cargoLock = builtins.fromTOML (builtins.readFile ./Cargo.lock);
+      wasmBindgen = pkgs.lib.findFirst
+        (pkg: pkg.name == "wasm-bindgen")
+        (throw "Could not find wasm-bindgen package")
+        cargoLock.package;
+      wasm-bindgen-cli = pkgs.buildWasmBindgenCli rec {
+        src = pkgs.fetchCrate {
+          pname = "wasm-bindgen-cli";
+          version = wasmBindgen.version;
+          hash = "sha256-txpbTzlrPSEktyT9kSpw4RXQoiSZHm9t3VxeRn//9JI=";
+        };
+        cargoDeps = pkgs.rustPlatform.fetchCargoVendor {
+          inherit src;
+          inherit (src) pname version;
+          hash = "sha256-J+F9SqTpH3T0MbvlNKVyKnMachgn8UXeoTF0Pk3Xtnc=";
+        };
+      };
+    in
+      pkgs.mkShell {
+        name = "dioxus";
+        packages = [ rustShellToolchain dioxus-cli wasm-bindgen-cli ];
+    };
+  };
+}
+</syntaxhighlight>
 [[Category:Rust]]