Remove runtime feature keeping the WASM support intact

bikeshedder · bikeshedder · commit 99087b7fee51 · 2024-05-04T10:14:02.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Add WASM support
+
 ## [0.12.0] - 2024-05-04
 
 - Add `Send` to `Manager::Type` and `Manager::Error` associated types
diff --git a/postgres/CHANGELOG.md b/postgres/CHANGELOG.md
@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Add WASM support
+- Expose API for providing a custom `Connect` implementation.
+
 ## [0.13.1] - 2024-05-04
 
 - Update `deadpool` dependency to version `0.12`
diff --git a/postgres/Cargo.toml b/postgres/Cargo.toml
@@ -14,8 +14,7 @@ readme = "README.md"
 all-features = true
 
 [features]
-default = ["runtime", "rt_tokio_1"]
-runtime = ["tokio-postgres/runtime"]
+default = ["rt_tokio_1"]
 rt_tokio_1 = ["deadpool/rt_tokio_1"]
 rt_async-std_1 = ["deadpool/rt_async-std_1"]
 serde = ["deadpool/serde", "dep:serde"]
@@ -28,11 +27,14 @@ serde = { package = "serde", version = "1.0", features = [
     "derive",
 ], optional = true }
 tokio = { version = "1.29", features = ["rt"] }
-tokio-postgres = { version = "0.7.9", default-features = false }
 tracing = "0.1.37"
 
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+tokio-postgres = "0.7.9"
+
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 getrandom = { version = "0.2", features = ["js"] }
+tokio-postgres = { version = "0.7.9", default-features = false }
 
 [dev-dependencies]
 config = { version = "0.14", features = ["json"] }
diff --git a/postgres/src/config.rs b/postgres/src/config.rs
@@ -7,11 +7,11 @@ use tokio_postgres::config::{
     SslMode as PgSslMode, TargetSessionAttrs as PgTargetSessionAttrs,
 };
 
-#[cfg(feature = "runtime")]
+#[cfg(not(target_arch = "wasm32"))]
 use super::Pool;
-#[cfg(feature = "runtime")]
+#[cfg(not(target_arch = "wasm32"))]
 use crate::{CreatePoolError, PoolBuilder, Runtime};
-#[cfg(feature = "runtime")]
+#[cfg(not(target_arch = "wasm32"))]
 use tokio_postgres::{
     tls::{MakeTlsConnect, TlsConnect},
     Socket,
@@ -151,7 +151,7 @@ impl Config {
         Self::default()
     }
 
-    #[cfg(feature = "runtime")]
+    #[cfg(not(target_arch = "wasm32"))]
     /// Creates a new [`Pool`] using this [`Config`].
     ///
     /// # Errors
@@ -171,7 +171,7 @@ impl Config {
         builder.build().map_err(CreatePoolError::Build)
     }
 
-    #[cfg(feature = "runtime")]
+    #[cfg(not(target_arch = "wasm32"))]
     /// Creates a new [`PoolBuilder`] using this [`Config`].
     ///
     /// # Errors
diff --git a/postgres/src/lib.rs b/postgres/src/lib.rs
@@ -37,15 +37,15 @@ use std::{
 };
 
 use deadpool::managed;
-#[cfg(feature = "runtime")]
+#[cfg(not(target_arch = "wasm32"))]
 use tokio::spawn;
 use tokio::task::JoinHandle;
 use tokio_postgres::{
     types::Type, Client as PgClient, Config as PgConfig, Error, IsolationLevel, Statement,
     Transaction as PgTransaction, TransactionBuilder as PgTransactionBuilder,
 };
 
-#[cfg(feature = "runtime")]
+#[cfg(not(target_arch = "wasm32"))]
 use tokio_postgres::{
     tls::{MakeTlsConnect, TlsConnect},
     Socket,
@@ -89,7 +89,7 @@ pub struct Manager {
 }
 
 impl Manager {
-    #[cfg(feature = "runtime")]
+    #[cfg(not(target_arch = "wasm32"))]
     /// Creates a new [`Manager`] using the given [`tokio_postgres::Config`] and
     /// `tls` connector.
     pub fn new<T>(pg_config: tokio_postgres::Config, tls: T) -> Self
@@ -102,7 +102,7 @@ impl Manager {
         Self::from_config(pg_config, tls, ManagerConfig::default())
     }
 
-    #[cfg(feature = "runtime")]
+    #[cfg(not(target_arch = "wasm32"))]
     /// Create a new [`Manager`] using the given [`tokio_postgres::Config`], and
     /// `tls` connector and [`ManagerConfig`].
     pub fn from_config<T>(pg_config: tokio_postgres::Config, tls: T, config: ManagerConfig) -> Self
@@ -188,7 +188,7 @@ pub trait Connect: Sync + Send {
     ) -> BoxFuture<'_, Result<(PgClient, JoinHandle<()>), Error>>;
 }
 
-#[cfg(feature = "runtime")]
+#[cfg(not(target_arch = "wasm32"))]
 /// Provides an implementation of [`Connect`] that establishes the connection
 /// using the `tokio_postgres` configuration itself.
 #[derive(Debug)]
@@ -203,7 +203,7 @@ where
     pub tls: T,
 }
 
-#[cfg(feature = "runtime")]
+#[cfg(not(target_arch = "wasm32"))]
 impl<T> Connect for ConfigConnectImpl<T>
 where
     T: MakeTlsConnect<Socket> + Clone + Sync + Send + 'static,
