fix(wasm): include wit-bindgen as needed (#32)

Author: billf

Cargo.toml

@@ -30,7 +30,9 @@ anyhow = "1"
 derivative = "2"
 semver = "1"
 wasmtime = { version = "33", features = ["component-model"] }
-wit-bindgen = "0.42"
+wit-bindgen = { version = "0.42", default-features = false, features = [
+  "macros",
+]}
 
 [target.'cfg(unix)'.dependencies]
 anyhow.workspace = true

tests/wasm/application/Cargo.toml

@@ -6,5 +6,13 @@ edition.workspace = true
 [lib]
 crate-type = ["cdylib"]
 
+[features]
+default = [
+    "async"
+]
+async = [
+    "wit-bindgen/async",
+]
+
 [dependencies]
 wit-bindgen.workspace = true

tests/wasm/kvstore/Cargo.toml

@@ -6,5 +6,13 @@ edition.workspace = true
 [lib]
 crate-type = ["cdylib"]
 
+[features]
+default = [
+    "async"
+]
+async = [
+    "wit-bindgen/async",
+]
+
 [dependencies]
 wit-bindgen.workspace = true

tests/wasm/logger/Cargo.toml

@@ -6,5 +6,13 @@ edition.workspace = true
 [lib]
 crate-type = ["cdylib"]
 
+[features]
+default = [
+    "async"
+]
+async = [
+    "wit-bindgen/async",
+]
+
 [dependencies]
 wit-bindgen.workspace = true