update to zig 0.16 and switch to node

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
 
       - uses: mlugg/setup-zig@v2
         with:
-          version: 0.15.2
+          version: 0.16.0
 
       - name: Check C code formatting
         run: find . \( -name "*.c" -o -name "*.h" \) -print0 | xargs -0 clang-format --dry-run --Werror
@@ -28,7 +28,7 @@ jobs:
 
       - uses: mlugg/setup-zig@v2
         with:
-          version: 0.15.2
+          version: 0.16.0
 
       - name: Run tests (data)
         run: zig build test-data --summary all
@@ -50,14 +50,14 @@ jobs:
 
       - uses: mlugg/setup-zig@v2
         with:
-          version: 0.15.2
+          version: 0.16.0
 
-      - uses: oven-sh/setup-bun@v2
+      - uses: actions/setup-node@v6
         with:
-          bun-version: 1.3.5
+          node-version: 26.x
 
       - name: Build wasm
         run: zig build wasm
 
       - name: Run tests (wasm)
-        run: bun test
+        run: node --test

build.zig

@@ -27,7 +27,7 @@ pub fn build(b: *std.Build) void {
             .link_libc = true,
         }),
     });
-    test_data.addCSourceFiles(.{ .files = c_sources, .flags = c_flags });
+    test_data.root_module.addCSourceFiles(.{ .files = c_sources, .flags = c_flags });
     test_data.root_module.addIncludePath(b.path("src"));
 
     const run_test_data = b.addRunArtifact(test_data);
@@ -44,7 +44,7 @@ pub fn build(b: *std.Build) void {
             .link_libc = true,
         }),
     });
-    test_lib.addCSourceFiles(.{ .files = c_sources, .flags = c_flags });
+    test_lib.root_module.addCSourceFiles(.{ .files = c_sources, .flags = c_flags });
     test_lib.root_module.addIncludePath(b.path("src"));
 
     const run_test_lib = b.addRunArtifact(test_lib);
@@ -69,7 +69,7 @@ pub fn build(b: *std.Build) void {
             .optimize = .ReleaseSmall,
         }),
     });
-    wasm.addCSourceFiles(.{ .files = c_sources, .flags = c_flags });
+    wasm.root_module.addCSourceFiles(.{ .files = c_sources, .flags = c_flags });
     wasm.root_module.addIncludePath(b.path("src"));
     wasm.entry = .disabled;
     wasm.rdynamic = true;

package.json

@@ -1,5 +1,5 @@
 {
   "devDependencies": {
-    "@types/bun": "^1.3.5"
+    "@types/node": "^25.8.0"
   }
 }

wasm.test.mts

@@ -1,6 +1,7 @@
-import { expect, test } from "bun:test";
-import wasmUrl from "./zig-out/calcHashAB.wasm";
-import testData from "./test-data.json";
+import test from "node:test";
+import assert from "node:assert/strict";
+import source wasmModule from "./zig-out/calcHashAB.wasm";
+import testData from "./test-data.json" with { type: "json" };
 
 function hexToBytes(hex: string): Uint8Array {
   const bytes = new Uint8Array(hex.length / 2);
@@ -16,9 +17,7 @@ function bytesToHex(bytes: Uint8Array): string {
     .join("");
 }
 
-const wasmBuffer = await Bun.file(wasmUrl).arrayBuffer();
-
-const { instance } = await WebAssembly.instantiate(wasmBuffer, {});
+const instance = await WebAssembly.instantiate(wasmModule, {});
 
 const { getInputSha1, getInputUuid, getOutput, calculateHash, memory } =
   instance.exports as {
@@ -48,6 +47,6 @@ for (const testCase of testData) {
     const result = mem.slice(outputPtr, outputPtr + 57);
     const resultHex = bytesToHex(result);
 
-    expect(resultHex).toBe(testCase.target);
+    assert.strictEqual(resultHex, testCase.target);
   });
 }