From c4ba44b1c3e066f98ccc406c15a8c1de170e4709 Mon Sep 17 00:00:00 2001
From: Anhgelus Morhtuuzh <william@herges.fr>
Date: Tue, 30 Sep 2025 21:29:07 +0200
Subject: fix(markdown): bad condition in finished lexer and missing return
 value in ast

---
 mardown/ast.go      | 20 ++++++++++++++++++--
 mardown/ast_test.go | 20 ++++++++++++++++++++
 mardown/lexer.go    |  2 +-
 3 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 mardown/ast_test.go

diff --git a/mardown/ast.go b/mardown/ast.go
index d9d2b1d..298b313 100644
--- a/mardown/ast.go
+++ b/mardown/ast.go
@@ -1,6 +1,7 @@
 package mardown
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"html/template"
@@ -17,7 +18,20 @@ type tree struct {
 }
 
 func (t *tree) Eval() (template.HTML, error) {
-	return "", nil
+	var content template.HTML
+	for _, c := range t.blocks {
+		ct, err := c.Eval()
+		if err != nil {
+			return "", err
+		}
+		content += ct
+	}
+	return content, nil
+}
+
+func (t *tree) String() string {
+	b, _ := json.MarshalIndent(t, "", "  ")
+	return string(b)
 }
 
 func ast(lxs *lexers) (*tree, error) {
@@ -29,7 +43,9 @@ func ast(lxs *lexers) (*tree, error) {
 			return nil, err
 		}
 		tr.blocks = append(tr.blocks, b)
-		newLine = lxs.Current().Type == lexerBreak
+		if !lxs.Finished() {
+			newLine = lxs.Current().Type == lexerBreak
+		}
 	}
 	return tr, nil
 }
diff --git a/mardown/ast_test.go b/mardown/ast_test.go
new file mode 100644
index 0000000..11a9639
--- /dev/null
+++ b/mardown/ast_test.go
@@ -0,0 +1,20 @@
+package mardown
+
+import "testing"
+
+func TestAst(t *testing.T) {
+	content := "bonsoir"
+	lxs := lex(content)
+	tree, err := ast(lxs)
+	if err != nil {
+		t.Fatal(err)
+	}
+	c, err := tree.Eval()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if c != "<p>bonsoir</p>" {
+		t.Errorf("failed, got %s", c)
+		t.Logf("lxs: %s\ntree: %s", lxs, tree)
+	}
+}
diff --git a/mardown/lexer.go b/mardown/lexer.go
index 7ab393f..4eaaf16 100644
--- a/mardown/lexer.go
+++ b/mardown/lexer.go
@@ -42,7 +42,7 @@ func (l *lexers) Current() lexer {
 }
 
 func (l *lexers) Finished() bool {
-	return l.current >= len(l.lexers)-1
+	return l.current >= len(l.lexers)
 }
 
 func (l *lexers) String() string {
-- 
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