Add CommonJS wrapper for Windows path handling

Author: mattbaylor

packages/opencode/opencode-node.bat

@@ -1,19 +1,13 @@
 @echo off
 REM OpenCode launcher for Node.js on Windows
+REM Uses the Node.js wrapper script to handle path conversions
 
 setlocal
 
 REM Get the directory where this script is located
-set SCRIPT_DIR=%~dp0
+set "SCRIPT_DIR=%~dp0"
 
-REM Remove trailing backslash
-set SCRIPT_DIR=%SCRIPT_DIR:~0,-1%
-
-REM Convert Windows path to file:// URL for loader
-set LOADER_PATH=file:///%SCRIPT_DIR:\=/%/loader.mjs
-set SHIM_PATH=file:///%SCRIPT_DIR:\=/%/global-bun-shim.mjs
-
-REM Build the node command with all arguments
-node --loader "%LOADER_PATH%" --conditions=browser --import "%SHIM_PATH%" --import tsx/esm "%SCRIPT_DIR%\src\index.ts" %*
+REM Run the Node.js wrapper which handles all the path conversions
+node "%SCRIPT_DIR%opencode-node.cjs" %*
 
 endlocal

packages/opencode/opencode-node.cjs

@@ -0,0 +1,44 @@
+#!/usr/bin/env node
+
+/**
+ * OpenCode launcher for Windows
+ * Handles path conversions for Windows file:// URLs
+ */
+
+const { spawn } = require('child_process');
+const path = require('path');
+const { pathToFileURL } = require('url');
+
+// Get the script directory
+const scriptDir = __dirname;
+
+// Convert paths to file:// URLs
+const loaderPath = pathToFileURL(path.join(scriptDir, 'loader.mjs')).href;
+const shimPath = pathToFileURL(path.join(scriptDir, 'global-bun-shim.mjs')).href;
+const indexPath = path.join(scriptDir, 'src', 'index.ts');
+
+// Build the arguments
+const args = [
+  '--loader', loaderPath,
+  '--conditions=browser',
+  '--import', shimPath,
+  '--import', 'tsx/esm',
+  indexPath,
+  ...process.argv.slice(2) // Forward all arguments
+];
+
+// Spawn Node.js
+const child = spawn('node', args, {
+  stdio: 'inherit',
+  windowsHide: false
+});
+
+// Forward exit code
+child.on('exit', (code) => {
+  process.exit(code || 0);
+});
+
+child.on('error', (err) => {
+  console.error('Failed to start OpenCode:', err);
+  process.exit(1);
+});