fix: set a correct node location for static blocks (#4898)

* fix: set a correct body location for static blocks

* feat: use findFirstOccurrenceOutsideComment function

---------

Co-authored-by: Lukas Taegert-Atkinson <lukastaegert@users.noreply.github.com>

src/ast/nodes/StaticBlock.ts

@@ -1,5 +1,9 @@
 import type MagicString from 'magic-string';
-import { type RenderOptions, renderStatementList } from '../../utils/renderHelpers';
+import {
+	findFirstOccurrenceOutsideComment,
+	type RenderOptions,
+	renderStatementList
+} from '../../utils/renderHelpers';
 import type { HasEffectsContext, InclusionContext } from '../ExecutionContext';
 import BlockScope from '../scopes/BlockScope';
 import type Scope from '../scopes/Scope';
@@ -31,7 +35,9 @@ export default class StaticBlock extends StatementBase {
 
 	render(code: MagicString, options: RenderOptions): void {
 		if (this.body.length > 0) {
-			renderStatementList(this.body, code, this.start + 1, this.end - 1, options);
+			const bodyStartPos =
+				findFirstOccurrenceOutsideComment(code.original.slice(this.start, this.end), '{') + 1;
+			renderStatementList(this.body, code, this.start + bodyStartPos, this.end - 1, options);
 		} else {
 			super.render(code, options);
 		}

test/form/samples/static-block-render/_config.js

@@ -0,0 +1,3 @@
+module.exports = {
+	description: 'Correctly render treeshaked inline static blocks'
+};

test/form/samples/static-block-render/_expected.js

@@ -0,0 +1,9 @@
+class Foo {
+    static /* { */ {}
+}
+
+class Bar {
+    static {}
+}
+
+export { Bar, Foo };

test/form/samples/static-block-render/main.js

@@ -0,0 +1,7 @@
+export class Foo {
+    static /* { */ {/** 1 */1}
+}
+
+export class Bar {
+    static {1}
+}