Support the wasm32-wasip2 target

.github/workflows/ci.yml

@@ -6,16 +6,14 @@ on:
       - 'release-**'
   pull_request:
 jobs:
-  ci:
-    name: Lint and test
+  lint:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust
-        uses: dtolnay/rust-toolchain@1.79.0
+        uses: dtolnay/rust-toolchain@1.82.0
         with:
-          targets: wasm32-wasip1
           components: clippy, rustfmt
       - name: Re-vendor WIT
         run: |
@@ -25,5 +23,21 @@ jobs:
         run: cargo fmt --all -- --check
       - name: cargo clippy
         run: cargo clippy --all-targets --all-features -- -D warnings
+  test:
+    needs: lint
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    strategy:
+      matrix:
+        rust: [ "1.81", "1.82" ]
+        targets: [ "wasm32-wasip1", "wasm32-wasip2" ]
+    name: Test on Rust ${{ matrix.rust }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain
+        with:
+          toolchain: ${{ matrix.rust }}
+          targets: ${{ matrix.targets }}
       - name: cargo test
         run: cargo test

test-programs/artifacts/Cargo.toml

@@ -7,6 +7,7 @@ publish = false
 [build-dependencies]
 anyhow.workspace = true
 cargo_metadata = "0.18.1"
-wit-component = "0.208.1"
+wit-component = "0.219.1"
 heck = "0.5.0"
-wasi-preview1-component-adapter-provider = "23.0.1"
+wasi-preview1-component-adapter-provider = "25.0.1"
+version_check = "0.9.5"

test-programs/artifacts/build.rs

@@ -10,11 +10,19 @@ fn main() -> Result<()> {
     let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());
 
     println!("cargo::rerun-if-changed=../src");
+    println!("cargo::rerun-if-changed=../../waki");
+
+    let wasip2 = version_check::is_min_version("1.82.0").unwrap_or(false);
+    let wasi_target = if wasip2 {
+        "wasm32-wasip2"
+    } else {
+        "wasm32-wasip1"
+    };
 
     let status = Command::new("cargo")
         .arg("build")
         .arg("--package=test-programs")
-        .arg("--target=wasm32-wasip1")
+        .arg(format!("--target={}", wasi_target))
         .env("CARGO_TARGET_DIR", &out_dir)
         .env("CARGO_PROFILE_DEV_DEBUG", "1")
         .status()?;
@@ -37,21 +45,26 @@ fn main() -> Result<()> {
     for target in targets {
         let camel = target.to_shouty_snake_case();
         let wasm = out_dir
-            .join("wasm32-wasip1")
+            .join(wasi_target)
             .join("debug")
             .join(format!("{target}.wasm"));
 
-        let adapter = match target.as_str() {
-            s if s.starts_with("client_") => {
-                wasi_preview1_component_adapter_provider::WASI_SNAPSHOT_PREVIEW1_COMMAND_ADAPTER
-            }
-            s if s.starts_with("server_") => {
-                wasi_preview1_component_adapter_provider::WASI_SNAPSHOT_PREVIEW1_PROXY_ADAPTER
-            }
-            other => panic!("unknown type {other}"),
+        let path = if wasip2 {
+            wasm
+        } else {
+            compile_component(
+                &wasm,
+                match target.as_str() {
+                    s if s.starts_with("client_") => {
+                        wasi_preview1_component_adapter_provider::WASI_SNAPSHOT_PREVIEW1_COMMAND_ADAPTER
+                    }
+                    s if s.starts_with("server_") => {
+                        wasi_preview1_component_adapter_provider::WASI_SNAPSHOT_PREVIEW1_PROXY_ADAPTER
+                    }
+                    other => panic!("unknown type {other}"),
+                },
+            )?
         };
-
-        let path = compile_component(&wasm, adapter)?;
         generated_code += &format!("pub const {camel}_COMPONENT: &str = {path:?};\n");
     }
 

waki/Cargo.toml

@@ -19,9 +19,8 @@ waki-macros.workspace = true
 anyhow.workspace = true
 serde.workspace = true
 wit-bindgen = "0.34.0"
-url = "2.5.2"
+form_urlencoded = "1.2.1"
 http = "1.1.0"
-serde_urlencoded = "0.7.1"
 serde_json = { version = "1.0.128", optional = true }
 mime = { version = "0.3.17", optional = true }
 mime_guess = { version = "2.0.5", optional = true }

waki/src/common/request_and_response.rs

@@ -7,6 +7,7 @@ use crate::{
 };
 use anyhow::{anyhow, Error, Result};
 use serde::Serialize;
+use std::borrow::Borrow;
 use std::collections::HashMap;
 
 macro_rules! impl_common_get_methods {
@@ -68,7 +69,7 @@ macro_rules! impl_common_get_methods {
 
             /// Parse the body as form data.
             pub fn form(self) -> Result<HashMap<String, String>> {
-                Ok(serde_urlencoded::from_bytes(self.body()?.as_ref())?)
+                Ok(form_urlencoded::parse(self.body()?.as_ref()).into_owned().collect())
             }
 
             /// Parse the body as multipart/form-data.
@@ -223,23 +224,24 @@ macro_rules! impl_common_set_methods {
             /// # use waki::ResponseBuilder;
             /// # fn run() {
             /// # let r = ResponseBuilder::new();
-            /// r.form(&[("a", "b"), ("c", "d")]);
+            /// r.form([("a", "b"), ("c", "d")]);
             /// # }
             /// ```
-            pub fn form<T: Serialize + ?Sized>(mut self, form: &T) -> Self {
-                let mut err = None;
+            pub fn form<K, V, I>(mut self, form: I) -> Self
+            where
+                K: AsRef<str>,
+                V: AsRef<str>,
+                I: IntoIterator,
+                I::Item: Borrow<(K, V)>,
+            {
                 if let Ok(ref mut inner) = self.inner {
                     inner.headers.insert(
                         CONTENT_TYPE,
                         "application/x-www-form-urlencoded".parse().unwrap(),
                     );
-                    match serde_urlencoded::to_string(form) {
-                        Ok(data) => inner.body = Body::Bytes(data.into()),
-                        Err(e) => err = Some(e.into()),
-                    }
-                }
-                if let Some(e) = err {
-                    self.inner = Err(e);
+                    let mut serializer = form_urlencoded::Serializer::new(String::new());
+                    serializer.extend_pairs(form);
+                    inner.body = Body::Bytes(serializer.finish().into())
                 }
                 self
             }

waki/src/common/scheme.rs

@@ -1,5 +1,4 @@
 use crate::bindings::wasi::http::types::Scheme;
-use std::fmt::{Display, Formatter, Result};
 
 impl From<&str> for Scheme {
     fn from(s: &str) -> Self {
@@ -11,12 +10,14 @@ impl From<&str> for Scheme {
     }
 }
 
-impl Display for Scheme {
-    fn fmt(&self, f: &mut Formatter<'_>) -> Result {
-        f.write_str(match self {
-            Scheme::Http => "http",
-            Scheme::Https => "https",
-            Scheme::Other(s) => s,
-        })
+impl TryInto<http::uri::Scheme> for Scheme {
+    type Error = http::uri::InvalidUri;
+
+    fn try_into(self) -> Result<http::uri::Scheme, Self::Error> {
+        match self {
+            Scheme::Http => Ok(http::uri::Scheme::HTTP),
+            Scheme::Https => Ok(http::uri::Scheme::HTTPS),
+            Scheme::Other(s) => s.as_str().try_into(),
+        }
     }
 }