Ignore trailing whitespace in files

.changeset/short-mangos-fly.md

@@ -0,0 +1,5 @@
+---
+'@astrojs/compiler': patch
+---
+
+Ignore trailing whitespace in components

.gitpod.yml

@@ -5,5 +5,3 @@
 tasks:
   - init: pnpm install && pnpm run build && go get && go build ./... && go test ./... && make
     command: go run .
-
-

.golangci.yml

@@ -15,10 +15,10 @@ issues:
 
     - linters:
         - typecheck
-      text: "syscall/js"
+      text: 'syscall/js'
     - linters:
         - staticcheck
-      text: "SA9003"
+      text: 'SA9003'
     - linters:
         - typecheck
-      text: "by package vert"
+      text: 'by package vert'

cmd/astro-wasm/astro-wasm.go

@@ -249,7 +249,7 @@ func ConvertToTSX() any {
 
 func Transform() any {
 	return js.FuncOf(func(this js.Value, args []js.Value) any {
-		source := jsString(args[0])
+		source := strings.TrimRightFunc(jsString(args[0]), unicode.IsSpace)
 
 		transformOptions := makeTransformOptions(js.Value(args[1]))
 		scopeStr := transformOptions.NormalizedFilename

packages/compiler/test/basic/trailing-newline.ts

@@ -0,0 +1,33 @@
+import { test } from 'uvu';
+import * as assert from 'uvu/assert';
+import { transform } from '@astrojs/compiler';
+
+const FIXTURE = `{
+  node.shouldRenderChildren() ? (
+    // IMPORTANT - DO NOT SELF CLOSE THIS TAG. ASTRO FREAKS OUT.
+    <Fragment set:html={children}></Fragment>
+  ) : node.shouldRenderSelf() ? (
+    // @ts-ignore
+    content.map((element) => {
+      return <Astro.self content={element} components={components} />;
+    })
+  ) : node.shouldRenderTag() ? (
+    <Tag {...props}>
+      {node.hasChildren() ? (
+        <Astro.self content={children} components={components} />
+      ) : null}
+    </Tag>
+  ) : null
+}
+`;
+
+let result;
+test.before(async () => {
+  result = await transform(FIXTURE);
+});
+
+test('does not add trailing newline to rendered output', () => {
+  assert.match(result.code, `}\`;\n}, '<stdin>');`, 'Does not include a trailing newline in the render function');
+});
+
+test.run();