refactor(pcre): extract composer/pcre into the shirabe-pcre crate

Move `Composer\Pcre` out of shirabe-external-packages and into its own
crate, so the path is `shirabe_pcre::preg::Preg` instead of
`shirabe_external_packages::composer::pcre::preg::Preg`.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2 files changed, 4 insertions, 8 deletions

diff --git a/crates/shirabe/src/json/json_file.rs b/crates/shirabe/src/json/json_file.rs
index 4c74b83e..f506a831 100644
--- a/crates/shirabe/src/json/json_file.rs
+++ b/crates/shirabe/src/json/json_file.rs
@@ -9,8 +9,8 @@ use crate::util::Filesystem;
 use crate::util::HttpDownloader;
 use crate::util::Silencer;
 use indexmap::IndexMap;
-use shirabe_external_packages::composer::pcre::{CaptureKey, Preg};
 use shirabe_external_packages::seld::json_lint::{ParsingException, ParsingExceptionDetails};
+use shirabe_pcre::{CaptureKey, Preg};
 use shirabe_php_shim::Catch as _;
 use shirabe_php_shim::{
     InvalidArgumentException, JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, JSON_UNESCAPED_UNICODE,
@@ -451,13 +451,9 @@ impl JsonFile {
             let indent_owned = options.indent;
             return Ok(Preg::replace_callback(
                 php_regex!(r"#^ {4,}#m"),
-                move |m: &indexmap::IndexMap<
-                    shirabe_external_packages::composer::pcre::CaptureKey,
-                    String,
-                >|
-                      -> String {
+                move |m: &indexmap::IndexMap<shirabe_pcre::CaptureKey, String>| -> String {
                     let whole = m
-                        .get(&shirabe_external_packages::composer::pcre::CaptureKey::ByIndex(0))
+                        .get(&shirabe_pcre::CaptureKey::ByIndex(0))
                         .map(|s| s.as_str())
                         .unwrap_or("");
                     str_repeat(&indent_owned, (strlen(whole) / 4) as usize)
diff --git a/crates/shirabe/src/json/json_manipulator.rs b/crates/shirabe/src/json/json_manipulator.rs
index d66fe645..5a77e771 100644
--- a/crates/shirabe/src/json/json_manipulator.rs
+++ b/crates/shirabe/src/json/json_manipulator.rs
@@ -4,7 +4,7 @@ use crate::json::JsonFile;
 use crate::json::json_grammar::{self, ValueKind};
 use crate::repository::PlatformRepository;
 use indexmap::IndexMap;
-use shirabe_external_packages::composer::pcre::{CaptureKey, Preg};
+use shirabe_pcre::{CaptureKey, Preg};
 use shirabe_php_shim::{
     InvalidArgumentException, LogicException, PhpMixed, addcslashes, array_key_exists, array_keys,
     array_reverse, empty, explode, implode, in_array_loose, is_array, is_int, is_numeric,