ci: Improve and run clippy-wasm command

Lint more crates with it and enable more features. Also only allow web-time types.

.github/workflows/ci.yml

@@ -181,6 +181,11 @@ jobs:
             cmd: clippy-all
             components: clippy
 
+          - name: Clippy WASM
+            cmd: clippy-wasm
+            targets: wasm32-unknown-unknown
+            components: clippy
+
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4
@@ -190,6 +195,7 @@ jobs:
         with:
           toolchain: ${{ env.NIGHTLY }}
           components: ${{ matrix.components }}
+          targets: ${{ matrix.targets }}
 
       - uses: Swatinem/rust-cache@v2
 

.wasm/.clippy.toml

@@ -0,0 +1,25 @@
+avoid-breaking-exported-api = false
+disallowed-methods = [
+    # https://github.com/serde-rs/json/issues/160
+    "serde_json::from_reader",
+]
+disallowed-types = [
+    "std::collections::HashMap",
+    "std::collections::HashSet",
+    { path = "std::time::UNIX_EPOCH", reason = "Use web-time to return a UNIX_EPOCH that works under WASM" },
+    { path = "std::time::SystemTime", reason = "Use web-time to return a SystemTime that works under WASM" },
+    { path = "std::time::Instant", reason = "Use web-time to return an Instant that works under WASM" },
+]
+enforced-import-renames = [
+    { path = "serde_json::from_slice", rename = "from_json_slice" },
+    { path = "serde_json::from_str", rename = "from_json_str" },
+    { path = "serde_json::from_value", rename = "from_json_value" },
+    { path = "serde_json::to_value", rename = "to_json_value" },
+    { path = "serde_json::value::to_raw_value", rename = "to_raw_json_value" },
+    { path = "serde_json::value::RawValue", rename = "RawJsonValue" },
+    { path = "serde_json::Value", rename = "JsonValue" },
+]
+standard-macro-braces = [
+    { name = "quote", brace = "{" },
+    { name = "quote::quote", brace = "{" },
+]

crates/ruma/Cargo.toml

@@ -235,11 +235,8 @@ unstable-unspecified = [
     "ruma-push-gateway-api?/unstable-unspecified",
 ]
 
-# Private feature, only used in test / benchmarking code
+# Private features, only used in test / benchmarking code
-__ci = [
+__unstable-mscs = [
-    "full",
-    "compat-upload-signatures",
-    "unstable-unspecified",
     "unstable-msc1767",
     "unstable-msc2409",
     "unstable-msc2448",
@@ -281,7 +278,13 @@ __ci = [
     "unstable-msc4108",
     "unstable-msc4121",
     "unstable-msc4125",
-    "unstable-msc4140"
+    "unstable-msc4140",
+]
+__ci = [
+    "full",
+    "compat-upload-signatures",
+    "__unstable-mscs",
+    "unstable-unspecified",
 ]
 
 [dependencies]

xtask/src/ci.rs

@@ -60,7 +60,7 @@ pub enum CiCmd {
     NightlyAll,
     /// Lint default features with clippy (nightly)
     ClippyDefault,
-    /// Lint ruma-common with clippy on a wasm target (nightly)
+    /// Lint client features with clippy on a wasm target (nightly)
     ClippyWasm,
     /// Lint almost all features with clippy (nightly)
     ClippyAll,
@@ -289,17 +289,15 @@ impl CiTask {
         .map_err(Into::into)
     }
 
-    /// Lint ruma-common with clippy with the nightly version and wasm target.
+    /// Lint ruma with clippy with the nightly version and wasm target.
-    ///
-    /// ruma-common is currently the only crate with wasm-specific code. If that changes, this
-    /// method should be updated.
     fn clippy_wasm(&self) -> Result<()> {
         cmd!(
             "
-            rustup run {NIGHTLY} cargo clippy --target wasm32-unknown-unknown
+            rustup run {NIGHTLY} cargo clippy --target wasm32-unknown-unknown -p ruma --features
-                -p ruma-common --features api,js,rand
+                __unstable-mscs,api,canonical-json,client-api,events,html-matrix,identity-service-api,js,markdown,rand,signatures,unstable-unspecified -- -D warnings
             "
         )
+        .env("CLIPPY_CONF_DIR", ".wasm")
         .run()
         .map_err(Into::into)
     }