refactor: Delegete build-func to task instead of core event

src/atsphinx/mini18n/__init__.py

@@ -1,5 +1,6 @@
 """Sphinx builder for i18n site on single deployment."""
 
+from dataclasses import dataclass
 from pathlib import Path
 from subprocess import PIPE, run
 
@@ -10,16 +11,27 @@
 __version__ = "0.0.0"
 
 
+@dataclass
+class BuildArgs:
+    """Parameter class to build other langage."""
+
+    app: Sphinx
+    builder: str
+    lang: str
+
+
 class Mini18nBuilderBase(DummyBuilder):
     """Abstract bridge builder to build multi-language settings."""
 
     name_prefix = "mini18n-"
 
-    def init(self):  # noqa: D102
-        self.app.connect("build-finished", self.build_i18_contents)
-
     def finish(self):  # noqa: D102
         self.finish_tasks.add_task(self.build_heading_content)
+        for lang in [self.app.config.language]:
+            self.finish_tasks.add_task(
+                build_i18_contents,
+                BuildArgs(self.app, self.name[len(self.name_prefix) :], lang),
+            )
 
     def build_heading_content(self):
         """Generate root index file."""
@@ -31,19 +43,21 @@ def build_heading_content(self):
         template = Template(out_template.read_text())
         Path(out_index).write_text(template.render(ctx))
 
-    def build_i18_contents(self, app, err):
-        """Run build for coufigured multi-languages."""
-        cmd_base = [
-            "sphinx-build",
-            "-b",
-            self.name[len(self.name_prefix) :],
-            "-d",
-            app.doctreedir,
-            app.srcdir,
-        ]
-        for lang in [app.config.language]:
-            cmd = cmd_base + ["/".join([self.outdir, lang]), "-D", f"laungage={lang}"]
-            run(cmd, stdout=PIPE, stderr=PIPE)
+
+def build_i18_contents(args: BuildArgs):
+    """Run build for coufigured language."""
+    cmd = [
+        "sphinx-build",
+        "-b",
+        args.builder,
+        "-d",
+        args.app.doctreedir,
+        args.app.srcdir,
+        "/".join([args.app.outdir, args.lang]),
+        "-D",
+        f"laungage={args.lang}",
+    ]
+    run(cmd, stdout=PIPE, stderr=PIPE)
 
 
 def register_i18n_builders(app: Sphinx):