gnu: Add rust-js-sys-0.3.

* gnu/packages/crates-io.scm (rust-js-sys-0.3): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/crates-io.scm

@@ -2767,6 +2767,36 @@ primitives to an @code{io::Write}.")
         (base32
          "18g7p2hrb3dk84z3frfgmszfc9hjb4ps9vp99qlb1kmf9gm8hc5f"))))))
 
+(define-public rust-js-sys-0.3
+  (package
+    (name "rust-js-sys")
+    (version "0.3.24")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "js-sys" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "045fgafggkjdfg4f33vb87silyl9xpbifrhx1ciqi4wvm90nzhga"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-wasm-bindgen" ,rust-wasm-bindgen-0.2))
+       #:cargo-development-inputs
+       (("rust-futures" ,rust-futures-0.1)
+        ("rust-wasm-bindgen-futures" ,rust-wasm-bindgen-futures-0.3)
+        ("rust-wasm-bindgen-test" ,rust-wasm-bindgen-test-0.2))))
+    (home-page "https://rustwasm.github.io/wasm-bindgen/")
+    (synopsis "Bindings for all JS global objects and functions in WASM")
+    (description
+     "Bindings for all JS global objects and functions in all JS environments
+like Node.js and browsers, built on @code{#[wasm_bindgen]} using the
+wasm-bindgen crate.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-jemalloc-sys-0.3
   (package
     (name "rust-jemalloc-sys")