Move sourcemap declaration at the top

Author: AlisCode

compiler-core/src/javascript.rs

@@ -198,28 +198,28 @@ impl<'a> Generator<'a> {
 
         if imports.is_empty() && statements.is_empty() {
             Ok(docvec![
+                sourcemap_reference,
                 type_reference,
                 "export {}",
                 line(),
-                sourcemap_reference,
             ])
         } else if imports.is_empty() {
             statements.push(line());
-            Ok(docvec![type_reference, statements, sourcemap_reference])
+            Ok(docvec![sourcemap_reference, type_reference, statements])
         } else if statements.is_empty() {
             Ok(docvec![
+                sourcemap_reference,
                 type_reference,
                 imports.into_doc(JavaScriptCodegenTarget::JavaScript, self.line_numbers),
-                sourcemap_reference,
             ])
         } else {
             Ok(docvec![
+                sourcemap_reference,
                 type_reference,
                 imports.into_doc(JavaScriptCodegenTarget::JavaScript, self.line_numbers),
                 line(),
                 statements,
                 line(),
-                sourcemap_reference,
             ])
         }
     }

compiler-core/src/javascript/tests/snapshots/gleam_core__javascript__tests__sourcemaps__sourcemap_function_definition.snap

@@ -8,9 +8,9 @@ note:
 1 │ fn add_2(x) {
   │ ^ This code
   │
-  ┌─ generated.js:1:1
+  ┌─ generated.js:2:1
   │
-1 │ function add_2(x) {
+2 │ function add_2(x) {
   │ ^ Gets mapped to this
 
 ---
@@ -20,9 +20,9 @@ note:
 2 │   x + 2
   │   ^ This code
   │
-  ┌─ generated.js:2:3
+  ┌─ generated.js:3:3
   │
-2 │   return x + 2;
+3 │   return x + 2;
   │   ^ Gets mapped to this
 
 ---
@@ -32,9 +32,9 @@ note:
 2 │   x + 2
   │   ^ This code
   │
-  ┌─ generated.js:2:10
+  ┌─ generated.js:3:10
   │
-2 │   return x + 2;
+3 │   return x + 2;
   │          ^ Gets mapped to this
 
 ---
@@ -44,7 +44,7 @@ note:
 2 │   x + 2
   │       ^ This code
   │
-  ┌─ generated.js:2:14
+  ┌─ generated.js:3:14
   │
-2 │   return x + 2;
+3 │   return x + 2;
   │              ^ Gets mapped to this