feat: Runtime Library Registration and Python support

.gitignore

@@ -1,4 +1,6 @@
 target
 .wireit
 node_modules
-dist
+dist
+lib
+*.tsbuildinfo

Cargo.toml

@@ -1,6 +1,5 @@
 [workspace]
 members = [
-  "rust/example-crate",
   "rust/usuba",
   "rust/usuba-compat"
 ]
@@ -9,10 +8,12 @@ members = [
 resolver = "2"
 
 [workspace.dependencies]
+anyhow = { version = "1" }
 async-trait = { version = "0.1" }
 axum = { version = "0.7" }
 blake3 = { version = "1.5" }
 bytes = { version = "1" }
+hyper-util = { version = "0.1", features = ["client", "client-legacy"] }
 js-component-bindgen = { version = "1", features = ["transpile-bindgen"] }
 js-sys = { version = "0.3" }
 mime_guess = { version = "2" }
@@ -23,6 +24,7 @@ serde_json = { version = "1" }
 tempfile = { version = "3" }
 thiserror = { version = "1" }
 tokio = { version = "1" }
+tower-http = { version = "0.5" }
 tracing = { version = "0.1" }
 tracing-subscriber = { version = "0.3", features = ["env-filter", "tracing-log", "json"] }
 tracing-web = { version = "0.1" }
@@ -32,7 +34,8 @@ wasm-bindgen = { version = "0.2" }
 wasmtime-environ = { version = "20" }
 web-sys = { version = "0.3" }
 wit-bindgen = { version = "0.25" }
+wit-parser = { version = "0.208" }
 
 [profile.release]
 opt-level = 'z'
-lto = true
+lto = true

rust/usuba-compat/Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
+blake3 = { workspace = true }
 js-component-bindgen = { workspace = true }
 wit-bindgen = { workspace = true }
 wasmtime-environ = { workspace = true,  features = ["component-model", "compile"] }

rust/usuba-compat/build-wasm-component.sh

@@ -18,7 +18,7 @@ wasm-tools component new \
   -o usuba_compat.component.wasm \
   --adapt ./wasi_snapshot_preview1.reactor.wasm
 
-jco transpile -O --tla-compat ./usuba_compat.component.wasm  \
+jco transpile --tla-compat ./usuba_compat.component.wasm  \
   -o ./usuba_compat
 
 popd

rust/usuba-compat/src/lib.rs

@@ -1,4 +1,4 @@
-use js_component_bindgen::{transpile, TranspileOpts, Transpiled};
+use js_component_bindgen::{transpile, InstantiationMode, TranspileOpts, Transpiled};
 use wasmtime_environ::component::Export as WasmtimeExport;
 
 wit_bindgen::generate!({
@@ -15,7 +15,10 @@ impl Guest for Polyfill {
                 .mappings
                 .map(|mappings| mappings.into_iter().collect()),
             no_typescript: true,
-            instantiation: None,
+            instantiation: options
+                .instantiation
+                .unwrap_or_else(|| Instantiation::Automatic)
+                .into(),
             import_bindings: None,
             no_nodejs_compat: true,
             base64_cutoff: 1024,
@@ -30,10 +33,23 @@ impl Guest for Polyfill {
             .map(|transpiled| transpiled.into())
             .map_err(|error| format!("{}", error))
     }
+
+    fn hash(bytes: Vec<u8>) -> String {
+        blake3::hash(&bytes).to_string()
+    }
 }
 
 export!(Polyfill);
 
+impl From<Instantiation> for Option<InstantiationMode> {
+    fn from(value: Instantiation) -> Self {
+        match value {
+            Instantiation::Automatic => None,
+            Instantiation::Manual => Some(InstantiationMode::Async),
+        }
+    }
+}
+
 impl From<Transpiled> for Artifacts {
     fn from(value: Transpiled) -> Self {
         Artifacts {

rust/usuba-compat/wit/usuba-compat.wit

@@ -6,7 +6,13 @@ world usuba-compat {
 
   record polyfill-options {
     name: string,
-    mappings: option<mappings>
+    mappings: option<mappings>,
+    instantiation: option<instantiation>
+  }
+
+  enum instantiation {
+    automatic,
+    manual
   }
 
   enum export-type {
@@ -21,4 +27,5 @@ world usuba-compat {
   }
 
   export polyfill: func(component: list<u8>, options: polyfill-options) -> result<artifacts, string>;
+  export hash: func(bytes: list<u8>) -> string;
 }

rust/usuba/Cargo.toml

@@ -7,10 +7,12 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = { workspace = true }
 async-trait = { workspace = true }
 axum = { workspace = true, features = ["multipart"] }
 blake3 = { workspace = true }
 bytes = { workspace = true }
+hyper-util = { workspace = true }
 mime_guess = { workspace = true }
 redb = { workspace = true }
 rust-embed = { workspace = true }
@@ -19,9 +21,11 @@ serde_json = { workspace = true }
 tempfile = { workspace = true }
 thiserror = { workspace = true }
 tokio = { workspace = true, features = ["rt-multi-thread", "io-util", "process", "fs"] }
+tower-http = { workspace = true, features = ["cors"] }
 tracing = { workspace = true }
 tracing-subscriber = { workspace = true }
 utoipa = { workspace = true, features = ["axum_extras"] }
 utoipa-swagger-ui = { workspace = true, features = ["axum"] }
+wit-parser = { workspace = true }
 # gcloud-sdk = { version = "0.24.6", features = ["google-cloud-aiplatform-v1"] }