build: experimental build with node package

um_wasm/.gitignore

@@ -3,4 +3,5 @@
 Cargo.lock
 bin/
 pkg/
+pkg_*/
 wasm-pack.log

um_wasm/Cargo.toml

@@ -3,6 +3,9 @@ name = "um_wasm"
 version = "0.1.0"
 authors = ["鲁树人 <lu.shuren@um-react.app>"]
 edition = "2018"
+description = "um_crypo in WebAssembly"
+repository = "https://git.unlock-music.dev/lsr/lib_um_crypto_rust.git"
+license = "Apache-2.0 + MIT"
 
 [lib]
 crate-type = ["cdylib", "rlib"]
@@ -12,6 +15,7 @@ default = ["console_error_panic_hook"]
 
 [dependencies]
 wasm-bindgen = "0.2.84"
+anyhow = "1.0.86"
 
 # The `console_error_panic_hook` crate provides better debugging of panics by
 # logging them with `console.error`. This is great for development, but requires

um_wasm/src/errors.rs

@@ -0,0 +1,22 @@
+use wasm_bindgen::JsError;
+
+#[derive(Debug)]
+pub struct WasmError {
+    error: anyhow::Error,
+}
+
+impl From<anyhow::Error> for WasmError {
+    fn from(err: anyhow::Error) -> WasmError {
+        WasmError { error: err }
+    }
+}
+
+impl From<WasmError> for JsError {
+    fn from(error: WasmError) -> Self {
+        JsError::new(&error.error.to_string())
+    }
+}
+
+pub fn map_js_error(error: anyhow::Error) -> wasm_bindgen::JsError {
+    JsError::new(&error.to_string())
+}

um_wasm/src/exports/kuwo.rs

@@ -0,0 +1,9 @@
+use crate::errors::map_js_error;
+use wasm_bindgen::prelude::wasm_bindgen;
+use wasm_bindgen::JsError;
+
+#[wasm_bindgen(js_name=kuwoDecodeEKey)]
+pub fn decode_ekey(ekey: &str) -> Result<String, JsError> {
+    let ekey = umc_kuwo::des::decode_ekey(ekey, &umc_kuwo::SECRET_KEY).map_err(map_js_error)?;
+    Ok(ekey)
+}

um_wasm/src/exports/mod.rs

@@ -0,0 +1 @@
+pub mod kuwo;

um_wasm/src/lib.rs

@@ -1,3 +1,5 @@
+mod errors;
+pub mod exports;
 mod utils;
 
 use utils::set_panic_hook;