fix: add file context to globalThis

Author: joshunrau

packages/instrument-bundler/src/bundle.ts

@@ -7,11 +7,10 @@ import type { BundleOptions } from './schemas.js';
 import type { BuildOutput } from './types.js';
 
 const GLOBAL_PROXY_SHIM = `
-  let __ODC_BUNDLER_ERROR_CONTEXT;
   const __createProxy = (name) => {
     const formatErrorMessage = (method, propertyName, targetName) => {
-      const contextName = __ODC_BUNDLER_ERROR_CONTEXT ?? 'UNKNOWN'
-      return "Cannot " + method + " property '" + propertyName + "' of object '" + targetName + "' in global scope of context '" + contextName + "'" 
+      const contextName = globalThis.__ODC_BUNDLER_ERROR_CONTEXT ?? 'UNKNOWN'
+      return "Cannot " + method + " property '" + propertyName + "' of object '" + targetName + "' in global scope of file '" + contextName + "'" 
     }
     return new Proxy({ name }, {
       get(target, property) {

packages/instrument-bundler/src/plugin.ts

@@ -47,7 +47,7 @@ export const plugin = (options: { inputs: BundlerInput[] }): Plugin => {
         let contents: typeof input.content;
         const loader = inferLoader(input.name);
         if (loader === 'js' || loader === 'jsx' || loader === 'ts' || loader == 'tsx') {
-          contents = [`__ODC_BUNDLER_ERROR_CONTEXT = "${input.name}";`, input.content as string].join('\n');
+          contents = [`globalThis.__ODC_BUNDLER_ERROR_CONTEXT = "${input.name}";`, input.content as string].join('\n');
         } else {
           contents = input.content;
         }