feat: Vim-like lua action that runs an inline Lua snippet

CHANGELOG.md

@@ -17,6 +17,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/):
 - Custom tab name ([#3666])
 - New `--in` for `search` action to set search directory ([#3696])
 - Multi-file spotter ([#3733])
+- Vim-like `lua` action that runs an inline Lua snippet ([#1234])
 - Certificate authentication for SFTP VFS provider ([#3716])
 - New `hovered` condition specifying different icons for hovered files ([#3728])
 - Allow using `ps.sub()` in `init.lua` directly without a plugin ([#3638])

yazi-actor/src/app/lua.rs

@@ -0,0 +1,24 @@
+use anyhow::Result;
+use yazi_dds::Sendable;
+use yazi_macro::succ;
+use yazi_parser::app::LuaOpt;
+use yazi_plugin::LUA;
+use yazi_shared::data::Data;
+
+use crate::{Actor, Ctx, lives::Lives};
+
+pub struct Lua;
+
+impl Actor for Lua {
+	type Options = LuaOpt;
+
+	const NAME: &str = "lua";
+
+	fn act(cx: &mut Ctx, opt: Self::Options) -> Result<Data> {
+		let result = Lives::scope(cx.core, || {
+			let chunk = LUA.load(&*opt.code).set_name("anonymous");
+			Sendable::value_to_data(&LUA, chunk.eval()?)
+		});
+		succ!(result?);
+	}
+}

yazi-actor/src/app/mod.rs

@@ -3,6 +3,7 @@ yazi_macro::mod_flat!(
 	bootstrap
 	deprecate
 	focus
+	lua
 	mouse
 	plugin
 	plugin_do

yazi-dds/src/spark/spark.rs

@@ -12,6 +12,7 @@ pub enum Spark<'a> {
 	AppBootstrap(yazi_parser::VoidOpt),
 	AppDeprecate(yazi_parser::app::DeprecateOpt),
 	AppFocus(yazi_parser::VoidOpt),
+	AppLua(yazi_parser::app::LuaOpt),
 	AppMouse(yazi_parser::app::MouseOpt),
 	AppPlugin(yazi_parser::app::PluginOpt),
 	AppPluginDo(yazi_parser::app::PluginOpt),
@@ -194,6 +195,7 @@ impl<'a> IntoLua for Spark<'a> {
 			Self::AppBootstrap(b) => b.into_lua(lua),
 			Self::AppDeprecate(b) => b.into_lua(lua),
 			Self::AppFocus(b) => b.into_lua(lua),
+			Self::AppLua(b) => b.into_lua(lua),
 			Self::AppMouse(b) => b.into_lua(lua),
 			Self::AppPlugin(b) => b.into_lua(lua),
 			Self::AppPluginDo(b) => b.into_lua(lua),
@@ -364,6 +366,7 @@ try_from_spark!(
 // App
 try_from_spark!(yazi_parser::ArrowOpt, mgr:arrow, mgr:tab_swap);
 try_from_spark!(yazi_parser::app::DeprecateOpt, app:deprecate);
+try_from_spark!(yazi_parser::app::LuaOpt, app:lua);
 try_from_spark!(yazi_parser::app::MouseOpt, app:mouse);
 try_from_spark!(yazi_parser::app::PluginOpt, app:plugin, app:plugin_do);
 try_from_spark!(yazi_parser::app::QuitOpt, app:quit, mgr:quit);

yazi-fm/src/executor.rs

@@ -45,6 +45,7 @@ impl<'a> Executor<'a> {
 		on!(plugin);
 		on!(plugin_do);
 		on!(update_progress);
+		on!(lua);
 		on!(deprecate);
 		on!(quit);
 
@@ -156,6 +157,8 @@ impl<'a> Executor<'a> {
 			"help" => act!(help:toggle, cx, Layer::Mgr),
 			// Plugin
 			"plugin" => act!(app:plugin, cx, action),
+			// Lua
+			"lua" => act!(app:lua, cx, action),
 			_ => succ!(),
 		}
 	}
@@ -186,6 +189,8 @@ impl<'a> Executor<'a> {
 			"help" => act!(help:toggle, cx, Layer::Tasks),
 			// Plugin
 			"plugin" => act!(app:plugin, cx, action),
+			// Lua
+			"lua" => act!(app:lua, cx, action),
 			_ => succ!(),
 		}
 	}
@@ -211,6 +216,8 @@ impl<'a> Executor<'a> {
 			"help" => act!(help:toggle, cx, Layer::Spot),
 			// Plugin
 			"plugin" => act!(app:plugin, cx, action),
+			// Lua
+			"lua" => act!(app:lua, cx, action),
 			_ => succ!(),
 		}
 	}
@@ -235,6 +242,8 @@ impl<'a> Executor<'a> {
 			"help" => act!(help:toggle, cx, Layer::Pick),
 			// Plugin
 			"plugin" => act!(app:plugin, cx, action),
+			// Lua
+			"lua" => act!(app:lua, cx, action),
 			_ => succ!(),
 		}
 	}
@@ -262,6 +271,8 @@ impl<'a> Executor<'a> {
 					"help" => return act!(help:toggle, cx, Layer::Input),
 					// Plugin
 					"plugin" => return act!(app:plugin, cx, action),
+					// Lua
+					"lua" => return act!(app:lua, cx, action),
 					_ => {}
 				}
 			}
@@ -312,6 +323,8 @@ impl<'a> Executor<'a> {
 			"close" => act!(help:toggle, cx, Layer::Help),
 			// Plugin
 			"plugin" => act!(app:plugin, cx, action),
+			// Lua
+			"lua" => act!(app:lua, cx, action),
 			_ => succ!(),
 		}
 	}
@@ -337,6 +350,8 @@ impl<'a> Executor<'a> {
 			"help" => act!(help:toggle, cx, Layer::Cmp),
 			// Plugin
 			"plugin" => act!(app:plugin, cx, action),
+			// Lua
+			"lua" => act!(app:lua, cx, action),
 			_ => succ!(),
 		}
 	}

yazi-parser/src/app/lua.rs

@@ -0,0 +1,24 @@
+use std::fmt::Debug;
+
+use anyhow::Result;
+use mlua::{ExternalError, FromLua, IntoLua, Lua, Value};
+use yazi_shared::{SStr, event::ActionCow};
+
+#[derive(Clone, Debug, Default)]
+pub struct LuaOpt {
+	pub code: SStr,
+}
+
+impl TryFrom<ActionCow> for LuaOpt {
+	type Error = anyhow::Error;
+
+	fn try_from(mut a: ActionCow) -> Result<Self, Self::Error> { Ok(Self { code: a.take_first()? }) }
+}
+
+impl FromLua for LuaOpt {
+	fn from_lua(_: Value, _: &Lua) -> mlua::Result<Self> { Err("unsupported".into_lua_err()) }
+}
+
+impl IntoLua for LuaOpt {
+	fn into_lua(self, _: &Lua) -> mlua::Result<Value> { Err("unsupported".into_lua_err()) }
+}

yazi-parser/src/app/mod.rs

@@ -1 +1 @@
-yazi_macro::mod_flat!(deprecate mouse plugin quit reflow resume stop title update_progress);
+yazi_macro::mod_flat!(deprecate lua mouse plugin quit reflow resume stop title update_progress);