d803bfe2b1
git-subtree-dir: vendor/ruvector git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900
63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
/**
|
|
* @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;
|