fix user-defined backend is not supported by adding your-backend and ratatui-your-backend features

Cargo.toml

@@ -23,11 +23,16 @@ include = [
 
 [features]
 default = ["crossterm"]
+# Features to use tui-rs
 crossterm = ["dep:crossterm", "tui/crossterm"]
 termion = ["dep:termion", "tui/termion"]
-search = ["dep:regex"]
+your-backend = ["tui"]
+# Features to use ratatui
 ratatui-crossterm = ["dep:crossterm-026", "ratatui/crossterm"]
 ratatui-termion = ["dep:termion", "ratatui/termion"]
+ratatui-your-backend = ["ratatui"]
+# Other optional features
+search = ["dep:regex"]
 
 [dependencies]
 crossterm = { package = "crossterm", version = "0.25", optional = true }

src/lib.rs

@@ -10,14 +10,6 @@
 ))]
 compile_error!("tui-rs support and ratatui support are exclussive. only one of them can be enabled at the same time. see https://github.com/rhysd/tui-textarea");
 
-#[cfg(not(any(
-    feature = "crossterm",
-    feature = "termion",
-    feature = "ratatui-crossterm",
-    feature = "ratatui-termion",
-)))]
-compile_error!("neither crossterm nor termion is enabled in features. see https://github.com/rhysd/tui-textarea");
-
 mod cursor;
 mod highlight;
 mod history;
@@ -30,9 +22,17 @@ mod util;
 mod widget;
 mod word;
 
-#[cfg(any(feature = "ratatui-crossterm", feature = "ratatui-termion"))]
+#[cfg(any(
+    feature = "ratatui-crossterm",
+    feature = "ratatui-termion",
+    feature = "ratatui-your-backend",
+))]
 use ratatui as tui;
-#[cfg(not(any(feature = "ratatui-crossterm", feature = "ratatui-termion")))]
+#[cfg(not(any(
+    feature = "ratatui-crossterm",
+    feature = "ratatui-termion",
+    feature = "ratatui-your-backend",
+)))]
 #[allow(clippy::single_component_path_imports)]
 use tui;