Modified getrandom dependency only for target family wasm *and* feature "time_trigger".

Clarified requirement in `.cargo/config.toml`.
Added building Wasm target in CI (`main.yml`).

Author: RobertJacobsonCDC

.cargo/config.toml

@@ -1,5 +1,5 @@
-# The following is required for Wasm support in the `getrandom` crate, a transitive dependency of the `rand` crate.
-# See: https://docs.rs/getrandom/0.3.3/getrandom/#webassembly-support
+# The following is required for Wasm support in the `getrandom` crate, a transitive dependency of the `time_trigger`
+# feature. See: https://docs.rs/getrandom/0.3.3/getrandom/#webassembly-support
 #
 # If you are using `wasm-pack`, this config may not be respected. Use an environment variable instead:
 #       RUSTFLAGS='--cfg getrandom_backend="wasm_js"' wasm-pack build --target web

.github/workflows/main.yml

@@ -74,3 +74,17 @@ jobs:
 
     - name: Bench features
       run: cargo bench --all-features
+
+  wasm:
+    name: Build for WebAssembly (wasm32-unknown-unknown)
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout the source code
+      uses: actions/checkout@v4
+
+    - uses: dtolnay/rust-toolchain@stable
+      with:
+        targets: wasm32-unknown-unknown
+
+    - name: Build for wasm32-unknown-unknown
+      run: cargo build --target wasm32-unknown-unknown

Cargo.toml

@@ -112,7 +112,7 @@ libc = { version = "0.2", optional = true }
 [target.'cfg(not(target_family = "wasm"))'.dependencies]
 thread-id = { version = "5", optional = true }
 
-[target.'cfg(target_family = "wasm")'.dependencies]
+[target.'cfg(all(target_family = "wasm", feature="time_trigger"))'.dependencies]
 getrandom = { version = "0.3.3", features = ["wasm_js"], optional = true }
 
 

src/encode/pattern/mod.rs

@@ -640,9 +640,7 @@ impl FormattedChunk {
                 TID.with(|tid| w.write_all(tid.to_string().as_bytes()))
             }
             #[cfg(target_family = "wasm")]
-            FormattedChunk::SystemThreadId => {
-                w.write_all("0".as_bytes())
-            }
+            FormattedChunk::SystemThreadId => w.write_all("0".as_bytes()),
             FormattedChunk::Target => w.write_all(record.target().as_bytes()),
             FormattedChunk::Newline => w.write_all(NEWLINE.as_bytes()),
             FormattedChunk::Align(ref chunks) => {

src/encode/writer/console.rs

@@ -237,7 +237,7 @@ mod imp {
             self,
             writer::{
                 ansi::AnsiWriter,
-                console::{ColorMode, COLOR_MODE},
+                console::{color_mode, ColorMode},
             },
             Style,
         },
@@ -249,18 +249,16 @@ mod imp {
     impl Writer {
         pub fn stdout() -> Option<Writer> {
             let writer = || Writer(AnsiWriter(StdWriter::stdout()));
-            match *COLOR_MODE {
-                ColorMode::Auto 
-                | ColorMode::Always => Some(writer()),
+            match color_mode() {
+                ColorMode::Auto | ColorMode::Always => Some(writer()),
                 ColorMode::Never => None,
             }
         }
 
         pub fn stderr() -> Option<Writer> {
             let writer = || Writer(AnsiWriter(StdWriter::stderr()));
-            match *COLOR_MODE {
-                ColorMode::Auto 
-                | ColorMode::Always => Some(writer()),
+            match color_mode() {
+                ColorMode::Auto | ColorMode::Always => Some(writer()),
                 ColorMode::Never => None,
             }
         }