fix: hide stack trace on syntax errors

deno/bundle.ts

@@ -3,4 +3,14 @@ import { writeStage2 } from './lib/stage2.ts'
 const [payload] = Deno.args
 const { basePath, destPath, externals, functions, importMapData } = JSON.parse(payload)
 
-await writeStage2({ basePath, destPath, externals, functions, importMapData })
+try {
+  await writeStage2({ basePath, destPath, externals, functions, importMapData })
+} catch (error) {
+  if (error instanceof Error) {
+    if (error.message.includes("The module's source code could not be parsed")) {
+      delete error.stack
+    }
+  }
+
+  throw error
+}

node/bundle_error.ts

@@ -1,3 +1,5 @@
+import type { ExecaError } from 'execa'
+
 interface BundleErrorOptions {
   format: string
 }
@@ -30,6 +32,11 @@ class BundleError extends Error {
  */
 const wrapBundleError = (input: unknown, options?: BundleErrorOptions) => {
   if (input instanceof Error) {
+    if (input.message.includes("The module's source code could not be parsed")) {
+      // eslint-disable-next-line no-param-reassign
+      input.message = (input as ExecaError).stderr
+    }
+
     return new BundleError(input, options)
   }
 

node/bundler.test.ts

@@ -87,7 +87,8 @@ test('Uses the vendored eszip module instead of fetching it from deno.land', asy
 })
 
 test('Adds a custom error property to user errors during bundling', async () => {
-  expect.assertions(2)
+  process.env.NO_COLOR = 'true'
+  expect.assertions(3)
 
   const { basePath, cleanup, distPath } = await useFixture('invalid_functions')
   const sourceDirectory = join(basePath, 'functions')
@@ -102,6 +103,15 @@ test('Adds a custom error property to user errors during bundling', async () =>
     await bundle([sourceDirectory], distPath, declarations, { basePath })
   } catch (error) {
     expect(error).toBeInstanceOf(BundleError)
+    expect((error as BundleError).message).toMatchInlineSnapshot(`
+      "error: Uncaught (in promise) Error: The module's source code could not be parsed: Unexpected eof at file:///root/functions/func1.ts:1:27
+
+        export default async () => 
+                                  ~
+            const ret = new Error(getStringFromWasm0(arg0, arg1));
+                        ^
+          at <anonymous> (file:///Users/skn0tt/dev/netlify/edge-bundler/deno/vendor/deno.land/x/eszip@v0.40.0/eszip_wasm.generated.js:417:19)"
+    `)
     expect((error as BundleError).customErrorInfo).toEqual({
       location: {
         format: 'eszip',