run-wasm helper (cargo-run-wasm) for testing the wgpu runner on the web.

Author: eddyb

.cargo/config.toml

@@ -1,7 +1,10 @@
 [alias]
 compiletest = "run --release -p compiletests --"
 difftest = "run --release -p difftests --"
+run-wasm = ["run", "--release", "-p", "run-wasm", "--"]
 
+[target.'cfg(target_arch = "wasm32")']
+rustflags = ["--cfg=web_sys_unstable_apis"]
 
 [target.x86_64-pc-windows-msvc]
 # Using Rust's LLD linker to avoid MSVC linker limitations