diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..107273a
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,13 @@
+# https://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.rs]
+indent_size = 4
diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bccf709..733480b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,3 +30,10 @@ jobs:
       - name: Build and test
         run: |
           nix flake check --all-systems --eval-cores 0 -L
+
+      - name: Ensure no changes to generated Wasm
+        run: |
+          rm -rf ./wasm
+          nix build
+          cp -rL --no-preserve=all ./result ./wasm
+          git diff --exit-code
diff --git a/.gitignore b/.gitignore
index 83ea0d2..e3d38cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
-*.wasm
-result
+result*
 /target/
 *~
 /*/tests/*.out
-/wasi/target/
\ No newline at end of file
+/wasi/target/
diff --git a/flake.lock b/flake.lock
index af14f1c..86f6d04 100644
--- a/flake.lock
+++ b/flake.lock
@@ -38,16 +38,16 @@
     },
     "flake-schemas": {
       "locked": {
-        "lastModified": 1761577921,
-        "narHash": "sha256-eK3/xbUOrxp9fFlei09XNjqcdiHXxndzrTXp7jFpOk8=",
-        "rev": "47849c7625e223d36766968cc6dc23ba0e135922",
-        "revCount": 107,
+        "lastModified": 1772200446,
+        "narHash": "sha256-hcUPpu25+VLvQsf961cu4zTeA//Ab35MaMjqSS/Ojqc=",
+        "rev": "d6a6b7cfa25bea552c197c9e227cd293ff801dbb",
+        "revCount": 115,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/DeterminateSystems/flake-schemas/0.2.0/019a4a84-544d-7c59-b26d-e334e320c932/source.tar.gz"
+        "url": "https://api.flakehub.com/f/pinned/DeterminateSystems/flake-schemas/0.3.0/019c9f61-e746-760e-a1fe-53f05b10d026/source.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://flakehub.com/f/DeterminateSystems/flake-schemas/%2A.tar.gz"
+        "url": "https://flakehub.com/f/DeterminateSystems/flake-schemas/%3D0.3.0"
       }
     },
     "git-hooks-nix": {
@@ -83,17 +83,16 @@
         "nixpkgs-regression": "nixpkgs-regression"
       },
       "locked": {
-        "lastModified": 1772218272,
-        "narHash": "sha256-58OxqvVmSo7y5GuLrt1ogU8tmGvGgtijmaurHPZMSBs=",
-        "owner": "DeterminateSystems",
-        "repo": "nix-src",
-        "rev": "fe3515c2e42b95fb250c22549367285191fb9f5d",
-        "type": "github"
+        "lastModified": 1772664055,
+        "narHash": "sha256-RtKKd4aefzHEzV9sKa8bQdZIY67GJMV0nRS1QZ2E94g=",
+        "rev": "3a96d5668a8df84c2c8d006a04212c17839b977f",
+        "revCount": 24783,
+        "type": "tarball",
+        "url": "https://api.flakehub.com/f/pinned/DeterminateSystems/nix-src/3.17.0/019cbb2e-8d12-7212-a98f-73fd1f2342a2/source.tar.gz"
       },
       "original": {
-        "owner": "DeterminateSystems",
-        "repo": "nix-src",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://flakehub.com/f/DeterminateSystems/nix-src/3"
       }
     },
     "nixpkgs": {
diff --git a/flake.nix b/flake.nix
index 29586fc..69f4a59 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,182 +3,241 @@
 
   inputs = {
     nixpkgs.follows = "nix/nixpkgs";
-    flake-schemas.url = "https://flakehub.com/f/DeterminateSystems/flake-schemas/*.tar.gz";
-    nix.url = "github:DeterminateSystems/nix-src";
+    flake-schemas.url = "https://flakehub.com/f/DeterminateSystems/flake-schemas/=0.3.0";
+    nix.url = "https://flakehub.com/f/DeterminateSystems/nix-src/3";
   };
 
-  outputs = { self, ... }@inputs:
+  outputs =
+    { self, ... }@inputs:
     let
       cargoToml = builtins.fromTOML (builtins.readFile ./nix-wasm-rust/Cargo.toml);
-      supportedSystems = [ "aarch64-darwin" "x86_64-linux" ];
-      forAllSystems = f: inputs.nixpkgs.lib.genAttrs supportedSystems (system: f {
-        pkgs = import inputs.nixpkgs { inherit system; };
-        inherit system;
-      });
+      supportedSystems = [
+        "aarch64-darwin"
+        "x86_64-linux"
+      ];
+      forAllSystems =
+        f:
+        inputs.nixpkgs.lib.genAttrs supportedSystems (
+          system:
+          f {
+            pkgs = import inputs.nixpkgs { inherit system; };
+            inherit system;
+          }
+        );
     in
     {
-      packages = forAllSystems ({ pkgs, system }: rec {
-        default = nix-wasm-plugins;
-
-        nix-wasi-plugins = with pkgs;
-          let
-            rustPackages = pkgs.rustPackages_1_89;
-            rustPlatform = rustPackages.rustPlatform;
-            rustSysroot = runCommand "rust-sysroot" { } ''
-              mkdir -p $out/lib/rustlib
-              cp -r ${rustPackages."rustc-unwrapped"}/lib/rustlib/* $out/lib/rustlib/
-              mkdir -p $out/lib/rustlib/src
-              ln -s ${rustPlatform.rustcSrc} $out/lib/rustlib/src/rust
-            '';
-            rustcWithSysroot = runCommand "rustc-with-sysroot" { } ''
-              mkdir -p $out/bin
-              cat > $out/bin/rustc <<'EOF'
-              #!/bin/sh
-              exec ${rustPackages.rustc}/bin/rustc --sysroot ${rustSysroot} "$@"
-              EOF
-              chmod +x $out/bin/rustc
-            '';
-            wasiCc = pkgs.pkgsCross.wasi32.stdenv.cc;
-            wasiLibc = pkgs.pkgsCross.wasi32.wasilibc;
-            wasiLibcDev = wasiLibc.dev;
-            wasiSysroot = runCommand "wasi-sysroot" { } ''
-              mkdir -p $out/include $out/lib/wasm32-wasip1
-              cp -R ${wasiLibcDev}/include/* $out/include/
-              cp -R ${wasiLibc}/lib/* $out/lib/
-              cp -R ${wasiLibc}/lib/* $out/lib/wasm32-wasip1/
-            '';
-            wasiSdk = runCommand "wasi-sdk-compat" { } ''
-              mkdir -p $out/bin $out/lib/clang/19 $out/share
-
-              ln -s ${wasiCc}/bin/wasm32-unknown-wasi-clang $out/bin/clang
-              ln -s ${wasiCc}/bin/wasm32-unknown-wasi-clang++ $out/bin/clang++
-              ln -s ${wasiCc}/bin/wasm32-unknown-wasi-ar $out/bin/ar
-              ln -s ${wasiCc}/bin/wasm32-unknown-wasi-ld.lld $out/bin/ld.lld
-
-              ln -s ${wasiCc}/resource-root/include $out/lib/clang/19/include
-              ln -s ${wasiSysroot} $out/share/wasi-sysroot
-            '';
-            workspaceVendor = rustPlatform.fetchCargoVendor {
+      lib = {
+        fib = builtins.wasm {
+          path = ./wasm/nix_wasm_plugin_fib.wasm;
+          function = "fib";
+        };
+        fibWasi = builtins.wasm {
+          path = ./wasm/nix_wasm_plugin_fib_wasi.wasm;
+        };
+        grep = builtins.wasm {
+          path = ./wasm/nix_wasm_plugin_grep.wasm;
+          function = "grep";
+        };
+        fromINI = builtins.wasm {
+          path = ./wasm/nix_wasm_plugin_ini.wasm;
+          function = "fromINI";
+        };
+        mandelbrot = builtins.wasm {
+          path = ./wasm/nix_wasm_plugin_mandelbrot.wasm;
+          function = "mandelbrot";
+        };
+        quickJs = builtins.wasm {
+          path = ./wasm/nix_wasm_plugin_quickjs.wasm;
+        };
+        fromYAML = builtins.wasm {
+          path = ./wasm/nix_wasm_plugin_yaml.wasm;
+          function = "fromYAML";
+        };
+        toYAML = builtins.wasm {
+          path = ./wasm/nix_wasm_plugin_yaml.wasm;
+          function = "toYAML";
+        };
+      };
+
+      packages = forAllSystems (
+        { pkgs, system }:
+        {
+          default = self.packages.${system}.nix-wasm-plugins;
+
+          nix-wasi-plugins =
+            with pkgs;
+            let
+              rustPackages = pkgs.rustPackages_1_89;
+              rustPlatform = rustPackages.rustPlatform;
+              rustSysroot = runCommand "rust-sysroot" { } ''
+                mkdir -p $out/lib/rustlib
+                cp -r ${rustPackages."rustc-unwrapped"}/lib/rustlib/* $out/lib/rustlib/
+                mkdir -p $out/lib/rustlib/src
+                ln -s ${rustPlatform.rustcSrc} $out/lib/rustlib/src/rust
+              '';
+              rustcWithSysroot = runCommand "rustc-with-sysroot" { } ''
+                mkdir -p $out/bin
+                cat > $out/bin/rustc <<'EOF'
+                #!/bin/sh
+                exec ${rustPackages.rustc}/bin/rustc --sysroot ${rustSysroot} "$@"
+                EOF
+                chmod +x $out/bin/rustc
+              '';
+              wasiCc = pkgs.pkgsCross.wasi32.stdenv.cc;
+              wasiLibc = pkgs.pkgsCross.wasi32.wasilibc;
+              wasiLibcDev = wasiLibc.dev;
+              wasiSysroot = runCommand "wasi-sysroot" { } ''
+                mkdir -p $out/include $out/lib/wasm32-wasip1
+                cp -R ${wasiLibcDev}/include/* $out/include/
+                cp -R ${wasiLibc}/lib/* $out/lib/
+                cp -R ${wasiLibc}/lib/* $out/lib/wasm32-wasip1/
+              '';
+              wasiSdk = runCommand "wasi-sdk-compat" { } ''
+                mkdir -p $out/bin $out/lib/clang/19 $out/share
+
+                ln -s ${wasiCc}/bin/wasm32-unknown-wasi-clang $out/bin/clang
+                ln -s ${wasiCc}/bin/wasm32-unknown-wasi-clang++ $out/bin/clang++
+                ln -s ${wasiCc}/bin/wasm32-unknown-wasi-ar $out/bin/ar
+                ln -s ${wasiCc}/bin/wasm32-unknown-wasi-ld.lld $out/bin/ld.lld
+
+                ln -s ${wasiCc}/resource-root/include $out/lib/clang/19/include
+                ln -s ${wasiSysroot} $out/share/wasi-sysroot
+              '';
+              workspaceVendor = rustPlatform.fetchCargoVendor {
+                src = self;
+                hash = "sha256-vkTdv3StxslmBOKy8mFfz5afOiMjBujFd4IU6pkgqGc=";
+              };
+              stdlibVendor = rustPlatform.fetchCargoVendor {
+                src = rustPlatform.rustcSrc;
+                cargoRoot = "library";
+                hash = "sha256-XD+1wJ7GfnJG4qyulIdZum7VV4rtIoQRM+L0xXUHjXA=";
+              };
+              cargoVendor = runCommand "cargo-vendor-merged" { } ''
+                mkdir -p $out
+                cp -R ${workspaceVendor}/* $out/
+                mkdir -p $out/.cargo
+                cp -R ${workspaceVendor}/.cargo/* $out/.cargo/
+                chmod -R u+w $out
+                cp -R ${stdlibVendor}/* $out/
+                cp ${workspaceVendor}/Cargo.lock $out/Cargo.lock
+                cp ${workspaceVendor}/.cargo/config.toml $out/.cargo/config.toml
+              '';
+            in
+            rustPlatform.buildRustPackage {
+              pname = "nix-wasi-plugins";
+              version = cargoToml.package.version;
+
+              cargoLock.lockFile = ./Cargo.lock;
+              cargoDeps = cargoVendor;
+
+              # FIXME: filter out the non-wasi plugins from the workspace.
               src = self;
-              hash = "sha256-vkTdv3StxslmBOKy8mFfz5afOiMjBujFd4IU6pkgqGc=";
+
+              buildPhase = ''
+                RUSTFLAGS="-L ${wasiSdk}/share/wasi-sysroot/lib/wasm32-wasip1" \
+                  cargo build --release -p nix-wasm-plugin-quickjs -p nix-wasm-plugin-fib-wasi \
+                  --target wasm32-wasip1 -Z build-std=std,panic_abort
+              '';
+
+              installPhase = ''
+                mkdir -p $out
+                for i in target/wasm32-wasip1/release/*.wasm; do
+                  wasm-opt -O3 --enable-bulk-memory --enable-nontrapping-float-to-int --enable-simd -o "$out/$(basename "$i")" "$i"
+                done
+              '';
+
+              nativeBuildInputs = [
+                rustPackages.rustc.llvmPackages.lld
+                binaryen
+                llvmPackages.clang
+                llvmPackages.libclang
+              ];
+
+              WASI_SDK = "${wasiSdk}";
+              LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
+              RUSTC = "${rustcWithSysroot}/bin/rustc";
+              CC_wasm32_wasip1 = "${wasiSdk}/bin/clang";
+              AR_wasm32_wasip1 = "${wasiSdk}/bin/ar";
+              CFLAGS_wasm32_wasip1 = "--sysroot=${wasiSdk}/share/wasi-sysroot -isystem ${wasiSdk}/lib/clang/19/include";
+              BINDGEN_EXTRA_CLANG_ARGS_wasm32_wasip1 = "-fvisibility=default --sysroot=${wasiSdk}/share/wasi-sysroot -isystem ${wasiSdk}/lib/clang/19/include -resource-dir ${wasiSdk}/lib/clang/19";
+              CARGO_TARGET_WASM32_WASIP1_LINKER = "${wasiSdk}/bin/ld.lld";
+              RUSTC_BOOTSTRAP = "1";
+              doCheck = false;
             };
-            stdlibVendor = rustPlatform.fetchCargoVendor {
-              src = rustPlatform.rustcSrc;
-              cargoRoot = "library";
-              hash = "sha256-XD+1wJ7GfnJG4qyulIdZum7VV4rtIoQRM+L0xXUHjXA=";
+
+          nix-wasm-plugins =
+            with pkgs;
+            rustPlatform.buildRustPackage {
+              pname = cargoToml.package.name;
+              version = cargoToml.package.version;
+
+              cargoLock.lockFile = ./Cargo.lock;
+
+              src = self;
+
+              nix_wasi_plugins = self.packages.${system}.nix-wasi-plugins;
+
+              CARGO_BUILD_TARGET = "wasm32-unknown-unknown";
+              buildPhase = "cargo build --release --workspace --exclude nix-wasm-plugin-quickjs --exclude nix-wasm-plugin-fib-wasi";
+
+              checkPhase = ''
+                for i in nix-wasm-plugin-*/tests/*.nix; do
+                  echo "running test $i..."
+                  base="$(dirname $i)/$(basename $i .nix)"
+                  nix eval --store dummy:// --offline --json --show-trace -I plugins=target/wasm32-unknown-unknown/release -I wasi=$nix_wasi_plugins --impure --eval-cores 0 --file "$i" > "$base.out"
+                  cmp "$base.exp" "$base.out"
+                done
+              '';
+
+              installPhase = ''
+                mkdir -p $out
+                for i in target/wasm32-unknown-unknown/release/*.wasm; do
+                  wasm-opt -O3 -o "$out/$(basename "$i")" "$i"
+                done
+                if [[ -n $nix_wasi_plugins ]]; then
+                  cp $nix_wasi_plugins/*.wasm $out/
+                fi
+              '';
+
+              nativeBuildInputs = [
+                rustc.llvmPackages.lld
+                wasm-bindgen-cli
+                wasm-pack
+                binaryen
+                inputs.nix.packages.${system}.nix-cli
+              ];
+
+              NIX_CONFIG = "extra-experimental-features = wasm-builtin";
             };
-            cargoVendor = runCommand "cargo-vendor-merged" { } ''
-              mkdir -p $out
-              cp -R ${workspaceVendor}/* $out/
-              mkdir -p $out/.cargo
-              cp -R ${workspaceVendor}/.cargo/* $out/.cargo/
-              chmod -R u+w $out
-              cp -R ${stdlibVendor}/* $out/
-              cp ${workspaceVendor}/Cargo.lock $out/Cargo.lock
-              cp ${workspaceVendor}/.cargo/config.toml $out/.cargo/config.toml
-            '';
-          in rustPlatform.buildRustPackage {
-            pname = "nix-wasi-plugins";
-            version = cargoToml.package.version;
-
-            cargoLock.lockFile = ./Cargo.lock;
-            cargoDeps = cargoVendor;
-
-            # FIXME: filter out the non-wasi plugins from the workspace.
-            src = self;
-
-            buildPhase = ''
-              RUSTFLAGS="-L ${wasiSdk}/share/wasi-sysroot/lib/wasm32-wasip1" \
-                cargo build --release -p nix-wasm-plugin-quickjs -p nix-wasm-plugin-fib-wasi \
-                --target wasm32-wasip1 -Z build-std=std,panic_abort
-            '';
-
-            installPhase = ''
-              mkdir -p $out
-              for i in target/wasm32-wasip1/release/*.wasm; do
-                wasm-opt -O3 --enable-bulk-memory --enable-nontrapping-float-to-int --enable-simd -o "$out/$(basename "$i")" "$i"
-              done
-            '';
-
-            nativeBuildInputs = [
-              rustPackages.rustc.llvmPackages.lld
-              binaryen
-              llvmPackages.clang
-              llvmPackages.libclang
-            ];
-
-            WASI_SDK = "${wasiSdk}";
-            LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
-            RUSTC = "${rustcWithSysroot}/bin/rustc";
-            CC_wasm32_wasip1 = "${wasiSdk}/bin/clang";
-            AR_wasm32_wasip1 = "${wasiSdk}/bin/ar";
-            CFLAGS_wasm32_wasip1 = "--sysroot=${wasiSdk}/share/wasi-sysroot -isystem ${wasiSdk}/lib/clang/19/include";
-            BINDGEN_EXTRA_CLANG_ARGS_wasm32_wasip1 = "-fvisibility=default --sysroot=${wasiSdk}/share/wasi-sysroot -isystem ${wasiSdk}/lib/clang/19/include -resource-dir ${wasiSdk}/lib/clang/19";
-            CARGO_TARGET_WASM32_WASIP1_LINKER = "${wasiSdk}/bin/ld.lld";
-            RUSTC_BOOTSTRAP = "1";
-            doCheck = false;
-          };
-
-        nix-wasm-plugins = with pkgs; rustPlatform.buildRustPackage {
-          pname = cargoToml.package.name;
-          version = cargoToml.package.version;
-
-          cargoLock.lockFile = ./Cargo.lock;
-
-          src = self;
-
-          nix_wasi_plugins = nix-wasi-plugins;
-
-          CARGO_BUILD_TARGET = "wasm32-unknown-unknown";
-          buildPhase = "cargo build --release --workspace --exclude nix-wasm-plugin-quickjs --exclude nix-wasm-plugin-fib-wasi";
-
-          checkPhase = ''
-            for i in nix-wasm-plugin-*/tests/*.nix; do
-              echo "running test $i..."
-              base="$(dirname $i)/$(basename $i .nix)"
-              nix eval --store dummy:// --offline --json --show-trace -I plugins=target/wasm32-unknown-unknown/release -I wasi=$nix_wasi_plugins --impure --eval-cores 0 --file "$i" > "$base.out"
-              cmp "$base.exp" "$base.out"
-            done
-          '';
-
-          installPhase = ''
-            mkdir -p $out
-            for i in target/wasm32-unknown-unknown/release/*.wasm; do
-              wasm-opt -O3 -o "$out/$(basename "$i")" "$i"
-            done
-            if [[ -n $nix_wasi_plugins ]]; then
-              cp $nix_wasi_plugins/*.wasm $out/
-            fi
-          '';
-
-          nativeBuildInputs = [
-            rustc.llvmPackages.lld
-            wasm-bindgen-cli
-            wasm-pack
-            binaryen
-            inputs.nix.packages.${system}.nix-cli
-          ];
-
-          NIX_CONFIG = "extra-experimental-features = wasm-builtin";
-        };
 
-        nix = inputs.nix.packages.${system}.nix-cli;
-      });
-
-      devShells = forAllSystems ({ pkgs, system }: rec {
-        default = with pkgs; self.packages.${system}.default.overrideAttrs (attrs: {
-          nix_wasi_plugins = null;
-          nativeBuildInputs = attrs.nativeBuildInputs ++ [
-            wabt
-            rust-analyzer
-            rustfmt
-            clippy
-          ];
-        });
-      });
-
-      checks = forAllSystems ({ pkgs, system }: rec {
-        build = self.packages.${system}.default;
-      });
+          nix = inputs.nix.packages.${system}.nix-cli;
+        }
+      );
+
+      devShells = forAllSystems (
+        { pkgs, system }:
+        {
+          default =
+            with pkgs;
+            self.packages.${system}.default.overrideAttrs (attrs: {
+              nix_wasi_plugins = null;
+              nativeBuildInputs = attrs.nativeBuildInputs ++ [
+                wabt
+                rust-analyzer
+                rustfmt
+                clippy
+              ];
+            });
+        }
+      );
+
+      checks = forAllSystems (
+        { pkgs, system }:
+        {
+          build = self.packages.${system}.default;
+        }
+      );
+
+      formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-rfc-style);
     };
 }
diff --git a/nix-wasm-plugin-fib/tests/fib.nix b/nix-wasm-plugin-fib/tests/fib.nix
index 3292aa3..6d34b38 100644
--- a/nix-wasm-plugin-fib/tests/fib.nix
+++ b/nix-wasm-plugin-fib/tests/fib.nix
@@ -1 +1,4 @@
-builtins.wasm { path = <plugins/nix_wasm_plugin_fib.wasm>; function = "fib"; } 33
+builtins.wasm {
+  path = <plugins/nix_wasm_plugin_fib.wasm>;
+  function = "fib";
+} 33
diff --git a/nix-wasm-plugin-grep/tests/grep.nix b/nix-wasm-plugin-grep/tests/grep.nix
index e9211cf..7f9c24e 100644
--- a/nix-wasm-plugin-grep/tests/grep.nix
+++ b/nix-wasm-plugin-grep/tests/grep.nix
@@ -1,4 +1,11 @@
 let
-  grep = builtins.wasm { path = <plugins/nix_wasm_plugin_grep.wasm>; function = "grep"; };
+  grep = builtins.wasm {
+    path = <plugins/nix_wasm_plugin_grep.wasm>;
+    function = "grep";
+  };
 in
-  map builtins.baseNameOf (grep { path = ../..; pattern = "hello 123"; inherit builtins; })
+map builtins.baseNameOf (grep {
+  path = ../..;
+  pattern = "hello 123";
+  inherit builtins;
+})
diff --git a/nix-wasm-plugin-ini/tests/test1.nix b/nix-wasm-plugin-ini/tests/test1.nix
index 3508977..b1ab739 100644
--- a/nix-wasm-plugin-ini/tests/test1.nix
+++ b/nix-wasm-plugin-ini/tests/test1.nix
@@ -1 +1,4 @@
-builtins.wasm { path = <plugins/nix_wasm_plugin_ini.wasm>; function = "fromINI"; } (builtins.readFile ./test1.ini)
+builtins.wasm {
+  path = <plugins/nix_wasm_plugin_ini.wasm>;
+  function = "fromINI";
+} (builtins.readFile ./test1.ini)
diff --git a/nix-wasm-plugin-mandelbrot/tests/test1.nix b/nix-wasm-plugin-mandelbrot/tests/test1.nix
index cb0e703..94491d4 100644
--- a/nix-wasm-plugin-mandelbrot/tests/test1.nix
+++ b/nix-wasm-plugin-mandelbrot/tests/test1.nix
@@ -1 +1,4 @@
-builtins.wasm { path = <plugins/nix_wasm_plugin_mandelbrot.wasm>; function = "mandelbrot"; } { width = 160; }
+builtins.wasm {
+  path = <plugins/nix_wasm_plugin_mandelbrot.wasm>;
+  function = "mandelbrot";
+} { width = 160; }
diff --git a/nix-wasm-plugin-test/tests/call.nix b/nix-wasm-plugin-test/tests/call.nix
index 858b2f9..b8a8dba 100644
--- a/nix-wasm-plugin-test/tests/call.nix
+++ b/nix-wasm-plugin-test/tests/call.nix
@@ -1,7 +1,25 @@
-let 
-  strictMap = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "strictMap"; };
-  range = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "range"; };
-  sum = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "sum"; };
-  double = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "double"; };
+let
+  strictMap = builtins.wasm {
+    path = <plugins/nix_wasm_plugin_test.wasm>;
+    function = "strictMap";
+  };
+  range = builtins.wasm {
+    path = <plugins/nix_wasm_plugin_test.wasm>;
+    function = "range";
+  };
+  sum = builtins.wasm {
+    path = <plugins/nix_wasm_plugin_test.wasm>;
+    function = "sum";
+  };
+  double = builtins.wasm {
+    path = <plugins/nix_wasm_plugin_test.wasm>;
+    function = "double";
+  };
 in
-  sum (strictMap { list = range { start = 0; end = 100000; }; fun = double; })
+sum (strictMap {
+  list = range {
+    start = 0;
+    end = 100000;
+  };
+  fun = double;
+})
diff --git a/nix-wasm-plugin-test/tests/lazy.nix b/nix-wasm-plugin-test/tests/lazy.nix
index a29a294..ee11367 100644
--- a/nix-wasm-plugin-test/tests/lazy.nix
+++ b/nix-wasm-plugin-test/tests/lazy.nix
@@ -1,4 +1,15 @@
 let
-  lazyMap = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "lazyMap"; };
+  lazyMap = builtins.wasm {
+    path = <plugins/nix_wasm_plugin_test.wasm>;
+    function = "lazyMap";
+  };
 in
-  builtins.elemAt (lazyMap { fun = (x: x * 2); list = [1 2 3 (throw "foo")]; }) 2
+builtins.elemAt (lazyMap {
+  fun = (x: x * 2);
+  list = [
+    1
+    2
+    3
+    (throw "foo")
+  ];
+}) 2
diff --git a/nix-wasm-plugin-test/tests/pure.nix b/nix-wasm-plugin-test/tests/pure.nix
index 3dc3673..8442925 100644
--- a/nix-wasm-plugin-test/tests/pure.nix
+++ b/nix-wasm-plugin-test/tests/pure.nix
@@ -1,4 +1,11 @@
 let
-  counter = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "counter"; };
+  counter = builtins.wasm {
+    path = <plugins/nix_wasm_plugin_test.wasm>;
+    function = "counter";
+  };
 in
-  [ (counter "x") (counter "y") (counter "z") ]
+[
+  (counter "x")
+  (counter "y")
+  (counter "z")
+]
diff --git a/nix-wasm-plugin-yaml/tests/fromYAML.nix b/nix-wasm-plugin-yaml/tests/fromYAML.nix
index 98a55f1..d2ae963 100644
--- a/nix-wasm-plugin-yaml/tests/fromYAML.nix
+++ b/nix-wasm-plugin-yaml/tests/fromYAML.nix
@@ -1 +1,4 @@
-builtins.wasm { path = <plugins/nix_wasm_plugin_yaml.wasm>; function = "fromYAML"; } (builtins.readFile ./test1.yaml)
+builtins.wasm {
+  path = <plugins/nix_wasm_plugin_yaml.wasm>;
+  function = "fromYAML";
+} (builtins.readFile ./test1.yaml)
diff --git a/nix-wasm-plugin-yaml/tests/toYAML.nix b/nix-wasm-plugin-yaml/tests/toYAML.nix
index 674f3d7..e00d9fe 100644
--- a/nix-wasm-plugin-yaml/tests/toYAML.nix
+++ b/nix-wasm-plugin-yaml/tests/toYAML.nix
@@ -1,3 +1,11 @@
-builtins.wasm { path = <plugins/nix_wasm_plugin_yaml.wasm>; function = "toYAML"; }
-  (builtins.wasm { path = <plugins/nix_wasm_plugin_yaml.wasm>; function = "fromYAML"; }
-    (builtins.readFile ./test1.yaml))
+builtins.wasm
+  {
+    path = <plugins/nix_wasm_plugin_yaml.wasm>;
+    function = "toYAML";
+  }
+  (
+    builtins.wasm {
+      path = <plugins/nix_wasm_plugin_yaml.wasm>;
+      function = "fromYAML";
+    } (builtins.readFile ./test1.yaml)
+  )
diff --git a/nix-wasm-plugin-yaml/tests/toYAML2.nix b/nix-wasm-plugin-yaml/tests/toYAML2.nix
index b9f8273..9a7fbcc 100644
--- a/nix-wasm-plugin-yaml/tests/toYAML2.nix
+++ b/nix-wasm-plugin-yaml/tests/toYAML2.nix
@@ -1 +1,13 @@
-builtins.wasm { path = <plugins/nix_wasm_plugin_yaml.wasm>; function = "toYAML"; } [{foo = 123; bar = null; xyzzy = "bla"; a.b.c = "abc";}]
+builtins.wasm
+  {
+    path = <plugins/nix_wasm_plugin_yaml.wasm>;
+    function = "toYAML";
+  }
+  [
+    {
+      foo = 123;
+      bar = null;
+      xyzzy = "bla";
+      a.b.c = "abc";
+    }
+  ]
diff --git a/wasm/nix_wasm_plugin_fib.wasm b/wasm/nix_wasm_plugin_fib.wasm
new file mode 100644
index 0000000..a0f2d9e
Binary files /dev/null and b/wasm/nix_wasm_plugin_fib.wasm differ
diff --git a/wasm/nix_wasm_plugin_fib_wasi.wasm b/wasm/nix_wasm_plugin_fib_wasi.wasm
new file mode 100644
index 0000000..881837b
Binary files /dev/null and b/wasm/nix_wasm_plugin_fib_wasi.wasm differ
diff --git a/wasm/nix_wasm_plugin_grep.wasm b/wasm/nix_wasm_plugin_grep.wasm
new file mode 100644
index 0000000..385cb17
Binary files /dev/null and b/wasm/nix_wasm_plugin_grep.wasm differ
diff --git a/wasm/nix_wasm_plugin_ini.wasm b/wasm/nix_wasm_plugin_ini.wasm
new file mode 100644
index 0000000..578ea4e
Binary files /dev/null and b/wasm/nix_wasm_plugin_ini.wasm differ
diff --git a/wasm/nix_wasm_plugin_mandelbrot.wasm b/wasm/nix_wasm_plugin_mandelbrot.wasm
new file mode 100644
index 0000000..83f90e2
Binary files /dev/null and b/wasm/nix_wasm_plugin_mandelbrot.wasm differ
diff --git a/wasm/nix_wasm_plugin_quickjs.wasm b/wasm/nix_wasm_plugin_quickjs.wasm
new file mode 100644
index 0000000..1fc34ec
Binary files /dev/null and b/wasm/nix_wasm_plugin_quickjs.wasm differ
diff --git a/wasm/nix_wasm_plugin_test.wasm b/wasm/nix_wasm_plugin_test.wasm
new file mode 100644
index 0000000..7a20564
Binary files /dev/null and b/wasm/nix_wasm_plugin_test.wasm differ
diff --git a/wasm/nix_wasm_plugin_yaml.wasm b/wasm/nix_wasm_plugin_yaml.wasm
new file mode 100644
index 0000000..47bd5e3
Binary files /dev/null and b/wasm/nix_wasm_plugin_yaml.wasm differ