app

commit a0834cedcdba2804b546c803fe9c6b90b095556c
parent 4d236d40358ba7b311dbb5353f7eb74e5b38221a
Author: triesap <triesap@radroots.dev>
Date:   Mon, 19 Jan 2026 07:06:11 +0000

app-utils: add array buffer helper

- add array buffer type alias per target
- add as_array_buffer conversion helper
- export binary helpers from utils crate
- add unit test for native conversion

Diffstat:
A
crates/utils/src/binary/mod.rs
 | 
32
++++++++++++++++++++++++++++++++
M
crates/utils/src/lib.rs
 | 
2
++

2 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/crates/utils/src/binary/mod.rs b/crates/utils/src/binary/mod.rs
@@ -0,0 +1,32 @@
+#![forbid(unsafe_code)]
+
+#[cfg(target_arch = "wasm32")]
+pub type RadrootsAppArrayBuffer = js_sys::ArrayBuffer;
+
+#[cfg(not(target_arch = "wasm32"))]
+pub type RadrootsAppArrayBuffer = Vec<u8>;
+
+pub fn as_array_buffer(bytes: &[u8]) -> RadrootsAppArrayBuffer {
+    #[cfg(target_arch = "wasm32")]
+    {
+        let array = js_sys::Uint8Array::from(bytes);
+        array.buffer()
+    }
+    #[cfg(not(target_arch = "wasm32"))]
+    {
+        bytes.to_vec()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::as_array_buffer;
+
+    #[test]
+    #[cfg(not(target_arch = "wasm32"))]
+    fn as_array_buffer_clones_bytes() {
+        let bytes = vec![1u8, 2u8, 3u8];
+        let buffer = as_array_buffer(&bytes);
+        assert_eq!(buffer, bytes);
+    }
+}
diff --git a/crates/utils/src/lib.rs b/crates/utils/src/lib.rs
@@ -2,12 +2,14 @@
 
 pub mod error;
 pub mod errors;
+pub mod binary;
 pub mod numbers;
 pub mod path;
 pub mod text;
 pub mod time;
 pub mod types;
 
+pub use binary::{as_array_buffer, RadrootsAppArrayBuffer};
 pub use errors::{err_msg, handle_err, throw_err, ERR_PREFIX_APP, ERR_PREFIX_UTILS};
 pub use numbers::{num_interval_range, num_str, parse_float, parse_int};
 pub use path::{