feature-gate ANSI frontend

to reduce minimal needed dependdencies

server/Cargo.toml

@@ -6,6 +6,10 @@ edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+default = ["ansi"]
+ansi = ["crossterm"]
+
 [dependencies]
 # Utilities
 rand = "0.8"
@@ -33,11 +37,10 @@ prost = "0.8"
 prost-types = "0.8"
 
 # Database (SQLite)
-rusqlite = {version = "0.25", features=["bundled"]}
+rusqlite = {version = "0.26", features=["bundled"]}
-# sqlx = { version = "0.3", default-features = false, features = [ "runtime-tokio", "macros", "sqlite" ] }
 
 # TUI
-crossterm = "0.20"
+crossterm = {version = "0.21", optional = true}
 log = "0.4"
 fern = {version = "0.6", features	= ["colored"]}
 chrono = "0.4"

server/src/logger.rs

@@ -1,7 +1,12 @@
 use std::sync::mpsc;
 
+#[cfg(feature = "ansi")]
 mod ansi;
+#[cfg(feature = "ansi")]
+use ansi::ANSIFrontend;
+
 mod barebones;
+use barebones::BarebonesFrontend;
 
 use fern::Dispatch;
 
@@ -11,7 +16,6 @@ use crate::{
 	server_properties::ServerProperties,
 };
 
-use self::{ansi::ANSIFrontend, barebones::BarebonesFrontend};
 
 pub type Stdout = mpsc::Sender<String>;
 pub type Stdin<T> = mpsc::Receiver<T>;
@@ -63,9 +67,10 @@ pub fn setup(properties: &ServerProperties) -> anyhow::Result<(Close, Stdin<Stri
 	// TODO select logging frontend
 	match properties.logger.as_str() {
 		"barebones" => BarebonesFrontend::setup(properties, d),
+		#[cfg(feature = "ansi")]
 		"ANSI" => ANSIFrontend::setup(properties, d),
 		x => {
-			println!("Unrecognized logging frontend {}, please select a valid one (barebones, ANSI) from the ones featured on your build, whose list could be smaller than the one shown", x);
+			println!("Unrecognized logging frontend {}, please select a valid one (barebones, ANSI) from the ones featured on your build, that could have less options than the ones shown", x);
 			Err(anyhow::anyhow!("Unrecognized logging frontend"))
 		}
 	}