register works

flake.nix

@@ -24,6 +24,7 @@
           pkgs.cargo
           pkgs.rust-analyzer
           pkgs.rustfmt
+          pkgs.binaryen
           pkgs.lld
           pkgs.zig
           pkgs.zls

nodes/max/plantarium/zig/build.zig

@@ -5,7 +5,7 @@ pub fn build(b: *std.Build) void {
     const release = b.option(bool, "release", "To build a wasm release") orelse false;
 
     const exe = b.addExecutable(.{
-        .name = "math",
+        .name = "zig",
         .root_module = b.createModule(.{
             .root_source_file = b.path("src/main.zig"),
             .target = target,

nodes/max/plantarium/zig/src/input.json

@@ -1,5 +1,5 @@
 {
-    "id": "niklas/zig/math",
+    "id": "max/nodarium/zig",
     "outputs": [
         "float"
     ],

nodes/max/plantarium/zig/src/main.zig

@@ -1,6 +1,6 @@
 const std = @import("std");
 
-const def linksection("nodarium_definition") = @embedFile("input.json");
+const def = @embedFile("input.json");
 
 export fn execute(ptr: *anyopaque, len: c_int) c_int {
     _ = ptr; // autofix
@@ -19,3 +19,11 @@ export fn __free(ptr: *anyopaque, len: c_int) void {
     const mem: [*]u8 = @ptrCast(@alignCast(ptr));
     std.heap.wasm_allocator.free(mem[0..@intCast(len)]);
 }
+
+export fn getDefinitionPtr() *const anyopaque {
+    return def.ptr;
+}
+
+export fn getDefinitionLen() usize {
+    return def.len;
+}

packages/utils/src/wasm-wrapper.ts

@@ -3,6 +3,8 @@ interface NodariumExports extends WebAssembly.Exports {
   execute: (ptr: number, len: number) => number;
   __free: (ptr: number, len: number) => void;
   __alloc: (len: number) => number;
+  getDefinitionPtr: () => number;
+  getDefinitionLen: () => number;
 }
 
 export function createWasmWrapper(buffer: ArrayBuffer) {
@@ -19,8 +21,8 @@ export function createWasmWrapper(buffer: ArrayBuffer) {
         if (!exports) return;
         const view = new Uint8Array(exports.memory.buffer, ptr, len);
         console.log("RUST:", new TextDecoder().decode(view));
-      }
+      },
-    }
+    },
   };
 
   const module = new WebAssembly.Module(buffer);
@@ -43,12 +45,22 @@ export function createWasmWrapper(buffer: ArrayBuffer) {
   }
 
   function get_definition() {
-    const sections = WebAssembly.Module.customSections(module, "nodarium_definition");
+    const decoder = new TextDecoder();
+    const sections = WebAssembly.Module.customSections(
+      module,
+      "nodarium_definition",
+    );
     if (sections.length > 0) {
-      const decoder = new TextDecoder();
       const jsonString = decoder.decode(sections[0]);
       return JSON.parse(jsonString);
     }
+
+    const ptr = exports.getDefinitionPtr();
+    const len = exports.getDefinitionLen();
+
+    const view = new Uint8Array(exports.memory.buffer, ptr, len);
+    const jsonString = decoder.decode(view);
+    return JSON.parse(jsonString);
   }
 
   return { execute, get_definition };