From c7f53c5d7d581ebf76803650c63ec615b1558dc8 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Thu, 28 May 2026 03:31:41 +0900
Subject: refactor(composer): represent composer via trait-based handles

Replace the PartialComposer/Composer structs and the single
Rc<RefCell<PartialOrFullComposer>> enum with PartialComposer and
Composer traits (Composer: PartialComposer), InnerPartialComposer /
InnerFullComposer data structs, and the handle types FullComposerHandle
(impl Composer) and AnyComposerHandle (polymorphic enum, impl
PartialComposer), plus their weak variants.

Factory builds the full and partial graphs via separate Rc::new_cyclic
branches that share a build_composer_base helper. Call sites now use
trait methods that encapsulate borrowing instead of borrow_partial() /
composer_full*().

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 crates/shirabe/src/installer/installer_event.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'crates/shirabe/src/installer/installer_event.rs')

diff --git a/crates/shirabe/src/installer/installer_event.rs b/crates/shirabe/src/installer/installer_event.rs
index 5adde1c..00a0096 100644
--- a/crates/shirabe/src/installer/installer_event.rs
+++ b/crates/shirabe/src/installer/installer_event.rs
@@ -1,6 +1,6 @@
 //! ref: composer/src/Composer/Installer/InstallerEvent.php
 
-use crate::composer::ComposerWeakHandle;
+use crate::composer::FullComposerWeakHandle;
 use crate::dependency_resolver::Transaction;
 use crate::event_dispatcher::Event;
 use crate::io::IOInterface;
@@ -8,7 +8,7 @@ use crate::io::IOInterface;
 #[derive(Debug)]
 pub struct InstallerEvent {
     inner: Event,
-    composer: ComposerWeakHandle,
+    composer: FullComposerWeakHandle,
     io: std::rc::Rc<std::cell::RefCell<dyn IOInterface>>,
     dev_mode: bool,
     execute_operations: bool,
@@ -18,7 +18,7 @@ pub struct InstallerEvent {
 impl InstallerEvent {
     pub fn new(
         event_name: String,
-        composer: ComposerWeakHandle,
+        composer: FullComposerWeakHandle,
         io: std::rc::Rc<std::cell::RefCell<dyn IOInterface>>,
         dev_mode: bool,
         execute_operations: bool,
@@ -35,7 +35,7 @@ impl InstallerEvent {
         }
     }
 
-    pub fn get_composer(&self) -> &ComposerWeakHandle {
+    pub fn get_composer(&self) -> &FullComposerWeakHandle {
         &self.composer
     }
 
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