From dd8f3e4528d45b7602df7ea6380b92a87dc4f711 Mon Sep 17 00:00:00 2001
From: mtul0729 <52401682+mtul0729@users.noreply.github.com>
Date: Wed, 26 Mar 2025 08:34:00 +0800
Subject: refactor: replace `lazy_static` with `std::sync::LazyLock` (#1246)

---
 src/repl/mod.rs | 67 ++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 40 insertions(+), 27 deletions(-)

(limited to 'src/repl')

diff --git a/src/repl/mod.rs b/src/repl/mod.rs
index d7ddb96..97d8f84 100644
--- a/src/repl/mod.rs
+++ b/src/repl/mod.rs
@@ -24,25 +24,30 @@ use reedline::{
     ReedlineEvent, ReedlineMenu, ValidationResult, Validator, Vi,
 };
 use reedline::{MenuBuilder, Signal};
+use std::sync::LazyLock;
 use std::{env, process};
 
 const MENU_NAME: &str = "completion_menu";
 
-lazy_static::lazy_static! {
-    static ref REPL_COMMANDS: [ReplCommand; 36] = [
+static REPL_COMMANDS: LazyLock<[ReplCommand; 36]> = LazyLock::new(|| {
+    [
         ReplCommand::new(".help", "Show this help guide", AssertState::pass()),
         ReplCommand::new(".info", "Show system info", AssertState::pass()),
-        ReplCommand::new(".edit config", "Modify configuration file", AssertState::False(StateFlags::AGENT)),
+        ReplCommand::new(
+            ".edit config",
+            "Modify configuration file",
+            AssertState::False(StateFlags::AGENT),
+        ),
         ReplCommand::new(".model", "Switch LLM model", AssertState::pass()),
         ReplCommand::new(
             ".prompt",
             "Set a temporary role using a prompt",
-            AssertState::False(StateFlags::SESSION | StateFlags::AGENT)
+            AssertState::False(StateFlags::SESSION | StateFlags::AGENT),
         ),
         ReplCommand::new(
             ".role",
             "Create or switch to a role",
-            AssertState::False(StateFlags::SESSION | StateFlags::AGENT)
+            AssertState::False(StateFlags::SESSION | StateFlags::AGENT),
         ),
         ReplCommand::new(
             ".info role",
@@ -57,7 +62,10 @@ lazy_static::lazy_static! {
         ReplCommand::new(
             ".save role",
             "Save current role to file",
-            AssertState::TrueFalse(StateFlags::ROLE, StateFlags::SESSION_EMPTY | StateFlags::SESSION),
+            AssertState::TrueFalse(
+                StateFlags::ROLE,
+                StateFlags::SESSION_EMPTY | StateFlags::SESSION,
+            ),
         ),
         ReplCommand::new(
             ".exit role",
@@ -72,12 +80,12 @@ lazy_static::lazy_static! {
         ReplCommand::new(
             ".empty session",
             "Clear session messages",
-            AssertState::True(StateFlags::SESSION)
+            AssertState::True(StateFlags::SESSION),
         ),
         ReplCommand::new(
             ".compress session",
             "Compress session messages",
-            AssertState::True(StateFlags::SESSION)
+            AssertState::True(StateFlags::SESSION),
         ),
         ReplCommand::new(
             ".info session",
@@ -87,23 +95,23 @@ lazy_static::lazy_static! {
         ReplCommand::new(
             ".edit session",
             "Modify current session",
-            AssertState::True(StateFlags::SESSION_EMPTY | StateFlags::SESSION)
+            AssertState::True(StateFlags::SESSION_EMPTY | StateFlags::SESSION),
         ),
         ReplCommand::new(
             ".save session",
             "Save current session to file",
-            AssertState::True(StateFlags::SESSION_EMPTY | StateFlags::SESSION)
+            AssertState::True(StateFlags::SESSION_EMPTY | StateFlags::SESSION),
         ),
         ReplCommand::new(
             ".exit session",
             "Exit active session",
-            AssertState::True(StateFlags::SESSION_EMPTY | StateFlags::SESSION)
+            AssertState::True(StateFlags::SESSION_EMPTY | StateFlags::SESSION),
         ),
         ReplCommand::new(".agent", "Use an agent", AssertState::bare()),
         ReplCommand::new(
             ".starter",
             "Use a conversation starter",
-            AssertState::True(StateFlags::AGENT)
+            AssertState::True(StateFlags::AGENT),
         ),
         ReplCommand::new(
             ".edit agent-config",
@@ -118,12 +126,12 @@ lazy_static::lazy_static! {
         ReplCommand::new(
             ".exit agent",
             "Leave agent",
-            AssertState::True(StateFlags::AGENT)
+            AssertState::True(StateFlags::AGENT),
         ),
         ReplCommand::new(
             ".rag",
             "Initialize or access RAG",
-            AssertState::False(StateFlags::AGENT)
+            AssertState::False(StateFlags::AGENT),
         ),
         ReplCommand::new(
             ".edit rag-docs",
@@ -150,30 +158,35 @@ lazy_static::lazy_static! {
             "Leave RAG",
             AssertState::TrueFalse(StateFlags::RAG, StateFlags::AGENT),
         ),
-        ReplCommand::new(
-            ".macro",
-            "Execute a macro",
-            AssertState::pass()
-        ),
+        ReplCommand::new(".macro", "Execute a macro", AssertState::pass()),
         ReplCommand::new(
             ".file",
             "Include files, directories, URLs or commands",
-            AssertState::pass()
+            AssertState::pass(),
+        ),
+        ReplCommand::new(
+            ".continue",
+            "Continue previous response",
+            AssertState::pass(),
         ),
-        ReplCommand::new(".continue", "Continue previous response", AssertState::pass()),
         ReplCommand::new(
             ".regenerate",
             "Regenerate last response",
-            AssertState::pass()
+            AssertState::pass(),
         ),
         ReplCommand::new(".copy", "Copy last response", AssertState::pass()),
         ReplCommand::new(".set", "Modify runtime settings", AssertState::pass()),
-        ReplCommand::new(".delete", "Delete roles, sessions, RAGs, or agents", AssertState::pass()),
+        ReplCommand::new(
+            ".delete",
+            "Delete roles, sessions, RAGs, or agents",
+            AssertState::pass(),
+        ),
         ReplCommand::new(".exit", "Exit REPL", AssertState::pass()),
-    ];
-    static ref COMMAND_RE: Regex = Regex::new(r"^\s*(\.\S*)\s*").unwrap();
-    static ref MULTILINE_RE: Regex = Regex::new(r"(?s)^\s*:::\s*(.*)\s*:::\s*$").unwrap();
-}
+    ]
+});
+static COMMAND_RE: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"^\s*(\.\S*)\s*").unwrap());
+static MULTILINE_RE: LazyLock<Regex> =
+    LazyLock::new(|| Regex::new(r"(?s)^\s*:::\s*(.*)\s*:::\s*$").unwrap());
 
 pub struct Repl {
     config: GlobalConfig,
-- 
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