fix: index out of range [0] error when compent is before the html tag (#891)

MoustaphaDev · web-flow · commit 852fc1b2683f · 2023-11-15T14:26:37.000Z
* test: add test

* fix

* chore: changeset
diff --git a/.changeset/late-readers-reflect.md b/.changeset/late-readers-reflect.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/compiler': patch
+---
+
+Fix `index out of range [0]` error when there is a component before the `<html>` tag
diff --git a/internal/parser.go b/internal/parser.go
@@ -1154,7 +1154,9 @@ func inBodyIM(p *parser) bool {
 			if p.oe.contains(a.Template) {
 				return true
 			}
-			copyAttributes(p.oe[0], p.tok)
+			if len(p.oe) > 0 {
+				copyAttributes(p.oe[0], p.tok)
+			}
 		case a.Base, a.Basefont, a.Bgsound, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Template, a.Title:
 			return inHeadIM(p)
 		case a.Body:
diff --git a/internal/transform/transform_test.go b/internal/transform/transform_test.go
@@ -251,6 +251,11 @@ func TestFullTransform(t *testing.T) {
 			`,
 			want: `<Component><h1>Hello world</h1></Component>`,
 		},
+		{
+			name:   "Component before html",
+			source: `<Navigation /><html><body><h1>Astro</h1></body></html>`,
+			want:   `<Navigation></Navigation><h1>Astro</h1>`,
+		},
 		{
 			name:   "respects explicitly authored elements",
 			source: `<html><Component /></html>`,

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'@astrojs/compiler': patch
 +---
++
 +Fix `index out of range [0]` error when there is a component before the `<html>` tag