Initial wasm support

js/run_revive.mjs

@@ -0,0 +1,49 @@
+import { readFileSync } from 'fs';
+import { fileURLToPath } from 'url';
+import path from 'path';
+import vm from 'vm';
+import { createRequire } from 'module';
+const require = createRequire(import.meta.url);
+
+// Import the Emscripten module
+import ModuleFactory from './resolc.mjs';
+
+async function initializeSolc() {
+    // Load soljson.js
+    const soljsonPath = path.join('./', 'soljson.js');
+    const soljsonCode = readFileSync(soljsonPath, 'utf8');
+
+    // Create a new VM context and run soljson.js in it
+    const soljsonContext = { Module: {} };
+    vm.createContext(soljsonContext); // Create a new context
+    vm.runInContext(soljsonCode, soljsonContext); // Execute soljson.js in the new context
+
+    // Return the initialized soljson module
+    return soljsonContext.Module;
+}
+
+async function runCompiler() {
+    const soljson = await initializeSolc();
+    const Module = await ModuleFactory();
+
+    // Expose soljson in the Module context
+    Module.soljson = soljson;
+
+    // Create input Solidity source code
+    const input = `
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8;
+contract Baseline {
+    function baseline() public payable {}
+}`;
+
+    // Write the input Solidity code to the Emscripten file system
+    Module.FS.writeFile('./input.sol', input);
+
+    // Compile the Solidity source code
+    Module.callMain(['./input.sol', '-O3','--bin']);
+}
+
+runCompiler().catch(err => {
+    console.error('Error:', err);
+});