gate wasm support behind feature flag

Cargo.toml

@@ -1,5 +1,4 @@
 [workspace]
-resolver = "2"
 members = [
     "codegen",
     "postgres",

postgres-protocol/Cargo.toml

@@ -8,6 +8,10 @@ license = "MIT/Apache-2.0"
 repository = "https://github.com/sfackler/rust-postgres"
 readme = "../README.md"
 
+[features]
+default = []
+js = ["getrandom/js"]
+
 [dependencies]
 base64 = "0.21"
 byteorder = "1.0"
@@ -19,6 +23,4 @@ memchr = "2.0"
 rand = "0.8"
 sha2 = "0.10"
 stringprep = "0.1"
-
-[target.'cfg(target_arch = "wasm32")'.dependencies]
-getrandom = { version = "0.2.9", features = ["js"] }
+getrandom = { version = "0.2", optional = true }

tokio-postgres/Cargo.toml

@@ -40,6 +40,7 @@ with-uuid-0_8 = ["postgres-types/with-uuid-0_8"]
 with-uuid-1 = ["postgres-types/with-uuid-1"]
 with-time-0_2 = ["postgres-types/with-time-0_2"]
 with-time-0_3 = ["postgres-types/with-time-0_3"]
+js = ["postgres-protocol/js"]
 
 [dependencies]
 async-trait = "0.1"