Squashed 'vendor/ruvector/' content from commit b64c2172

git-subtree-dir: vendor/ruvector
git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900

npm/packages/rvf-solver/pkg/rvf_solver.js

@@ -0,0 +1,62 @@
+/**
+ * @ruvector/rvf-solver — JS glue for the RVF Solver WASM module.
+ *
+ * Loads the .wasm binary and re-exports all C-ABI functions plus the
+ * WASM linear memory object.
+ *
+ * Works in Node.js (CJS) and browsers (via bundler).
+ */
+'use strict';
+
+var wasmInstance = null;
+
+var _isNode = typeof process !== 'undefined' &&
+  typeof process.versions !== 'undefined' &&
+  typeof process.versions.node === 'string';
+
+/**
+ * Initialize the WASM module.
+ * Returns the exports object with all rvf_solver_* functions and `memory`.
+ *
+ * @param {ArrayBuffer|BufferSource|WebAssembly.Module|string} [input]
+ *   Optional pre-loaded bytes, Module, or file path override.
+ */
+async function init(input) {
+  if (wasmInstance) return wasmInstance;
+
+  var wasmBytes;
+
+  if (input instanceof ArrayBuffer || ArrayBuffer.isView(input)) {
+    wasmBytes = input;
+  } else if (typeof WebAssembly !== 'undefined' && input instanceof WebAssembly.Module) {
+    var inst = await WebAssembly.instantiate(input, {});
+    wasmInstance = inst.exports;
+    return wasmInstance;
+  } else if (_isNode) {
+    // Node.js: use fs.readFileSync with __dirname (CJS) or require.resolve fallback
+    var fs = require('node:fs');
+    var path = require('node:path');
+    var wasmPath;
+    if (typeof input === 'string') {
+      wasmPath = input;
+    } else {
+      // __dirname is always available in CJS (no import.meta needed)
+      wasmPath = path.join(__dirname, 'rvf_solver_bg.wasm');
+    }
+    wasmBytes = fs.readFileSync(wasmPath);
+  } else {
+    // Browser: caller must provide bytes or use a bundler that handles .wasm imports
+    throw new Error(
+      'rvf_solver: browser environment detected but no WASM bytes provided. ' +
+      'Pass an ArrayBuffer or WebAssembly.Module to init(), or use a bundler.'
+    );
+  }
+
+  var compiled = await WebAssembly.instantiate(wasmBytes, {});
+  wasmInstance = compiled.instance.exports;
+  return wasmInstance;
+}
+
+// CJS export
+init.default = init;
+module.exports = init;