initial commit

fluxer_app/crates/libfluxcore/src/gateway.rs

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use ruzstd::StreamingDecoder;
+use std::io::{Cursor, Read};
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub fn decompress_zstd_frame(input: &[u8]) -> Result<Box<[u8]>, JsValue> {
+    let mut decoder = StreamingDecoder::new(Cursor::new(input))
+        .map_err(|e| JsValue::from_str(&format!("zstd init error: {e}")))?;
+
+    let mut output = Vec::new();
+    decoder
+        .read_to_end(&mut output)
+        .map_err(|e| JsValue::from_str(&format!("zstd read error: {e}")))?;
+
+    Ok(output.into_boxed_slice())
+}