Add wasm32v1-none support

Author: daxpedda

.cargo/config.toml

@@ -1,6 +1,8 @@
 # Allow normal use of "cargo run" and "cargo test" on these wasm32 platforms.
 [target.wasm32-unknown-unknown]
 runner = 'wasm-bindgen-test-runner'
+[target.wasm32v1-unknown]
+runner = 'wasm-bindgen-test-runner'
 [target.wasm32-wasip1]
 runner = 'wasmtime'
 [target.wasm32-wasip2]

.github/workflows/tests.yml

@@ -257,15 +257,15 @@ jobs:
       - name: Test (Node)
         env:
           RUSTFLAGS: -Dwarnings --cfg getrandom_backend="wasm_js"
-        run: wasm-pack test --node
+        run: wasm-pack test --node -- --features std
       - name: Test (Firefox)
         env:
           RUSTFLAGS: -Dwarnings --cfg getrandom_backend="wasm_js" --cfg getrandom_browser_test
-        run: wasm-pack test --headless --firefox
+        run: wasm-pack test --headless --firefox -- --features std
       - name: Test (Chrome)
         env:
           RUSTFLAGS: -Dwarnings --cfg getrandom_backend="wasm_js" --cfg getrandom_browser_test
-        run: wasm-pack test --headless --chrome
+        run: wasm-pack test --headless --chrome -- --features std
 
   wasi:
     name: WASI

.github/workflows/workspace.yml

@@ -23,7 +23,7 @@ jobs:
         # Fixed Nigthly version is used to prevent
         # CI failures which are not relevant to PR changes
         # on introduction of new Clippy lints.
-        toolchain: nightly-2024-10-08
+        toolchain: nightly-2024-10-12
         components: clippy,rust-src
     - name: std feature
       run: cargo clippy --features std
@@ -49,6 +49,10 @@ jobs:
       env:
         RUSTFLAGS: -Dwarnings --cfg getrandom_backend="wasm_js"
       run: cargo clippy -Zbuild-std --target wasm32-unknown-unknown
+    - name: Web WASMv1 (wasm_js.rs)
+      env:
+        RUSTFLAGS: -Dwarnings --cfg getrandom_backend="wasm_js"
+      run: cargo clippy -Zbuild-std=panic_abort,core,alloc --target wasm32v1-none
     - name: Linux (linux_android.rs)
       env:
         RUSTFLAGS: -Dwarnings --cfg getrandom_backend="linux_getrandom"

Cargo.toml

@@ -63,16 +63,16 @@ wasi = { version = "0.13", default-features = false }
 windows-targets = "0.52"
 
 # wasm_js
-[target.'cfg(all(getrandom_backend = "wasm_js", any(target_arch = "wasm32", target_arch = "wasm64"), target_os = "unknown"))'.dependencies]
+[target.'cfg(all(getrandom_backend = "wasm_js", any(target_arch = "wasm32", target_arch = "wasm64"), any(target_os = "unknown", target_os = "none")))'.dependencies]
 wasm-bindgen = { version = "0.2.89", default-features = false }
-js-sys = "0.3"
-[target.'cfg(all(getrandom_backend = "wasm_js", getrandom_browser_test, target_arch = "wasm32", target_os = "unknown"))'.dev-dependencies]
-wasm-bindgen-test = "0.3.39"
+js-sys = { version = "0.3", default-features = false }
+[target.'cfg(all(getrandom_backend = "wasm_js", getrandom_browser_test, target_arch = "wasm32", any(target_os = "unknown", target_os = "none")))'.dev-dependencies]
+wasm-bindgen-test = { version = "0.3.39", default-features = false }
 
 [features]
 # Implement std::error::Error for getrandom::Error and
 # use std to retrieve OS error descriptions
-std = []
+std = ["wasm-bindgen/std", "js-sys/std", "wasm-bindgen-test/std"]
 # Unstable feature to support being a libstd dependency
 rustc-dep-of-std = ["compiler_builtins", "core"]
 
@@ -99,3 +99,8 @@ pre-build = [
   "rm base.tar.xz",
   "rm -rf /tmp/netbsd",
 ]
+
+[patch.crates-io]
+js-sys = { git = "https://github.com/daxpedda/wasm-bindgen", branch = "web-time" }
+wasm-bindgen = { git = "https://github.com/daxpedda/wasm-bindgen", branch = "web-time" }
+wasm-bindgen-test = { git = "https://github.com/daxpedda/wasm-bindgen", branch = "web-time" }

README.md

@@ -76,15 +76,15 @@ Pull Requests that add support for new targets to `getrandom` are always welcome
 `getrandom` also provides optional (opt-in) backends, which allow users to customize the source
 of randomness based on their specific needs:
 
-| Backend name      | Target               | Target Triple        | Implementation
-| ----------------- | -------------------- | -------------------- | --------------
-| `linux_getrandom` | Linux, Android       | `*‑linux‑*`          | [`getrandom`][1] system call (without `/dev/urandom` fallback). Bumps minimum supported Linux kernel version to 3.17 and Android API level to 23 (Marshmallow).
-| `linux_rustix`    | Linux, Android       | `*‑linux‑*`          | Same as `linux_getrandom`, but uses [`rustix`] instead of `libc`.
-| `rdrand`          | x86, x86-64          | `x86_64-*`, `i686-*` | [`RDRAND`] instruction
-| `rndr`            | AArch64              | `aarch64-*`          | [`RNDR`] register
-| `esp_idf`         | ESP-IDF              | `*‑espidf`           | [`esp_fill_random`]. WARNING: can return low-quality entropy without proper hardware configuration!
-| `wasm_js`         | Web Browser, Node.js | `wasm*‑*‑unknown`    | [`Crypto.getRandomValues`] if available, then [`crypto.randomFillSync`] if on Node.js (see [WebAssembly support])
-| `custom`          | All targets          | `*`                  | User-provided custom implementation (see [custom backend])
+| Backend name      | Target               | Target Triple                      | Implementation
+| ----------------- | -------------------- | ---------------------------------- | --------------
+| `linux_getrandom` | Linux, Android       | `*‑linux‑*`                        | [`getrandom`][1] system call (without `/dev/urandom` fallback). Bumps minimum supported Linux kernel version to 3.17 and Android API level to 23 (Marshmallow).
+| `linux_rustix`    | Linux, Android       | `*‑linux‑*`                        | Same as `linux_getrandom`, but uses [`rustix`] instead of `libc`.
+| `rdrand`          | x86, x86-64          | `x86_64-*`, `i686-*`               | [`RDRAND`] instruction
+| `rndr`            | AArch64              | `aarch64-*`                        | [`RNDR`] register
+| `esp_idf`         | ESP-IDF              | `*‑espidf`                         | [`esp_fill_random`]. WARNING: can return low-quality entropy without proper hardware configuration!
+| `wasm_js`         | Web Browser, Node.js | `wasm*‑*‑unknown`, `wasm32v1-none` | [`Crypto.getRandomValues`] if available, then [`crypto.randomFillSync`] if on Node.js (see [WebAssembly support])
+| `custom`          | All targets          | `*`                                | User-provided custom implementation (see [custom backend])
 
 Opt-in backends can be enabled using the `getrandom_backend` configuration flag.
 The flag can be set either by specifying the `rustflags` field in

src/backends.rs

@@ -138,12 +138,12 @@ cfg_if! {
         pub use rdrand::*;
     } else if #[cfg(all(
         any(target_arch = "wasm32", target_arch = "wasm64"),
-        target_os = "unknown",
+        any(target_os = "unknown", target_os = "none"),
     ))] {
-        compile_error!("the wasm*-unknown-unknown targets are not supported by \
-                        default, you may need to enable the \"wasm_js\" \
-                        configuration flag. For more information see: \
-                        https://docs.rs/getrandom/#webassembly-support");
+        compile_error!("the wasm*-unknown-unknown and wasm32v1-none targets are \
+                        not supported by default, you may need to enable the \
+                        \"wasm_js\" configuration flag. For more information \
+                        see: https://docs.rs/getrandom/#webassembly-support");
     } else {
         compile_error!("target is not supported. You may need to define \
                         a custom backend see: \

src/backends/wasm_js.rs

@@ -6,7 +6,7 @@ use std::{mem::MaybeUninit, thread_local};
 
 #[cfg(not(all(
     any(target_arch = "wasm32", target_arch = "wasm64"),
-    target_os = "unknown",
+    any(target_os = "unknown", target_os = "none"),
 )))]
 compile_error!("`wasm_js` backend can be enabled only for OS-less WASM targets!");