make qrcode stuff optional desktop

Cargo.toml

@@ -5,15 +5,15 @@ edition = "2021"
 
 [features]
 default = ["desktop"]
-desktop = ["dep:eframe", "dep:egui_extras"]
+desktop = ["dep:clap", "dep:eframe", "dep:egui_extras", "dep:fast_qr", "dep:png"]
 
 [dependencies]
-clap = { version = "4.3.19", features = ["derive", "env"] }
+clap = { version = "4.3", optional = true, features = ["derive", "env"] }
 eframe = { version = "0.22", default-features = false, optional = true, features = ["default_fonts", "wgpu", "tts", "accesskit"] }
 egui_extras = { version = "0.22", default-features = false, optional = true, features = ["chrono", "image"] }
 env_logger = "*"
-fast_qr = { version = "0.9", default-features = false, features = ["image"] }
+fast_qr = { version = "0.9", optional = true, default-features = false, features = ["image"] }
-png = "0.17.6" # pinning this to resolve conflict between eframe and fast_qr with the image crate
+png = { version = "0.17.6", optional = true } # pinning this to resolve conflict between eframe and fast_qr with the image crate
 rand = { version = "0.8", default-features = false, features = ["std", "std_rng"] }
 raptorq = "1.7"
 rkyv = { version = "0.7.42", features = ["validation"] }

src/lib.rs

@@ -7,9 +7,11 @@ use rkyv::{Archive, Deserialize, Serialize};
 
 #[cfg(feature = "desktop")]
 mod desktop;
-mod util;
+#[cfg(feature = "desktop")]
+mod qr_utils;
 
-pub use util::{get_content, mk_qr_bytes, stream_bytes};
+#[cfg(feature = "desktop")]
+pub use qr_utils::{get_content, mk_qr_bytes, stream_bytes};
 
 pub type CuttleSender = std::sync::mpsc::SyncSender<Vec<u8>>;
 pub type CuttleReceiver = std::sync::mpsc::Receiver<Vec<u8>>;