fix #217 remove tabs before check empty lines

Author: theludovyc

Test/TestParser/TestEmptyLine/TestEmptyLine.gd

@@ -0,0 +1,20 @@
+extends GutTest
+
+const Parser = preload("res://addons/Rakugo/lib/systems/Parser.gd")
+
+@onready var parser := Parser.new()
+
+var rk_script = [
+	"",
+	"	",
+	"			"
+]
+
+func test_empty_line():
+	var parsed_script = parser.parse_script(rk_script)
+	
+	assert_false(parsed_script.is_empty())
+	
+	assert_true(parsed_script.get("parse_array", [""]).is_empty())
+	assert_true(parsed_script.get("labels", [""]).is_empty())
+	

Test/TestParser/TestEmptyLine/TestEmptyLine.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://ds8dbmm3q36hf"]
+
+[ext_resource type="Script" path="res://Test/TestParser/TestEmptyLine/TestEmptyLine.gd" id="1_vorgd"]
+
+[node name="TestEmptyLine" type="Node"]
+script = ExtResource("1_vorgd")

addons/Rakugo/lib/systems/Parser.gd

@@ -152,6 +152,9 @@ func parse_script(lines:PackedStringArray) -> Dictionary:
 
 		#erase tabulations
 		line = line.lstrip('	')
+		
+		if line.is_empty():
+			continue
 
 		if state == State.Menu and indent_count == 0:
 			state = State.Normal