refactor: rename build method to _build in SlideBuilder for clarity

Author: ya7010

src/tppt/pptx/presentation.py

@@ -161,7 +161,7 @@ def slide(
         slide_layout = slide_builder._slide_layout.to_pptx()
         new_slide = self._pptx.slides.add_slide(slide_layout)
 
-        slide_builder.build(new_slide)  # type: ignore
+        slide_builder._build(new_slide)
 
         return self
 

src/tppt/pptx/slide.py

@@ -151,13 +151,11 @@ def table(self, data: DataFrame, **kwargs: Unpack[TableProps]) -> Self:
         )
         return self
 
-    if not TYPE_CHECKING:
+    def _build(self, slide: PptxSlide) -> Slide:
+        tppt_slide = Slide(slide)
 
-        def build(self, slide: PptxSlide) -> Slide:
-            tppt_slide = Slide(slide)
+        self._placeholder_registry(tppt_slide)
+        for register in self._shape_registry:
+            register(tppt_slide)
 
-            self._placeholder_registry(tppt_slide)
-            for register in self._shape_registry:
-                register(tppt_slide)
-
-            return tppt_slide
+        return tppt_slide