RUST-2177 Fix WASM compilation failures (#521)

Author: abr-egn

.evergreen/MSRV-Cargo.toml.diff

@@ -1,10 +0,0 @@
---- Cargo.toml	2024-12-12 10:00:04
-+++ Cargo.toml.msrv	2024-12-12 10:20:57
-@@ -57,6 +57,7 @@
- 
- [dependencies]
- ahash = "0.8.0"
-+bumpalo = "=3.14.0"
- chrono = { version = "0.4.15", features = ["std"], default-features = false, optional = true }
- rand = "0.8"
- serde = { version = "1.0", features = ["derive"] }

.evergreen/compile-only.sh

@@ -10,6 +10,9 @@ if [ ! -z "$TARGET" ]; then
         # renamed in newer versions of rustc
         TARGET="wasm32-wasip1"
     fi
+    if [[ "$TARGET" = "wasm32-unknown-unknown" ]]; then
+        export RUSTFLAGS='--cfg getrandom_backend="wasm_js"'
+    fi
     rustup target add $TARGET --toolchain $RUST_VERSION
     TARGET="--target=$TARGET"
 fi

.evergreen/config.yml

@@ -216,9 +216,9 @@ axes:
   - id: "extra-rust-versions"
     values:
       - id: "min"
-        display_name: "1.71.1 (minimum supported version)"
+        display_name: "1.81 (minimum supported version)"
         variables:
-          RUST_VERSION: "1.71.1"
+          RUST_VERSION: "1.81"
           MSRV: "true"
       - id: "nightly"
         display_name: "nightly"
@@ -242,7 +242,7 @@ buildvariants:
   name: "tests"
   display_name: "Tests"
   run_on:
-    - ubuntu1804-test
+    - ubuntu2204-small
   tasks:
     - name: "test"
 
@@ -252,15 +252,15 @@ buildvariants:
     extra-targets: "*"
   display_name: "Compile on Rust ${extra-rust-versions} (${extra-targets})"
   run_on:
-    - ubuntu1804-test
+    - ubuntu2204-small
   tasks:
     - name: "compile-only"
 
 -
   name: "lint"
   display_name: "Lint"
   run_on:
-    - ubuntu1804-test
+    - ubuntu2204-small
   tasks:
     - name: "check-clippy"
     - name: "check-rustfmt"
@@ -270,14 +270,14 @@ buildvariants:
   name: "fuzz"
   display_name: "Raw BSON Fuzzer"
   run_on:
-    - ubuntu1804-test
+    - ubuntu2204-small
   tasks:
     - name: "run-fuzzer"
 
 -
   name: "wasm"
   display_name: "WASM"
   run_on:
-    - ubuntu1804-test
+    - ubuntu2204-small
   tasks:
     - name: "wasm-test"

.evergreen/run-wasm-tests.sh

@@ -4,10 +4,14 @@ set -o errexit
 
 . ~/.cargo/env
 
-rustup update 1.81
-rustup default 1.81
-
 curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
 
+# install nvm
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
+. ~/.nvm/nvm.sh
+# install node
+nvm install --no-progress node
+node --version
+
 cd $(dirname $0)/../wasm-test
 wasm-pack test --node

Cargo.toml

@@ -73,8 +73,12 @@ serde_with-3 = { package = "serde_with", version = "3.1.0", optional = true }
 time = { version = "0.3.9", features = ["formatting", "parsing", "macros", "large-dates"] }
 bitvec = "1.0.1"
 serde_path_to_error = { version = "0.1.16", optional = true }
+
 [target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dependencies]
 js-sys = "0.3"
+uuid = { version = "1.1.2", features = ["serde", "v4", "js"] }
+getrandom = { version = "0.2", features = ["js"] }
+getrandom_03 = { package = "getrandom", version = "0.3", features = ["wasm_js"] }
 
 [dev-dependencies]
 assert_matches = "1.2"
@@ -84,8 +88,6 @@ proptest = "1.0.0"
 serde_bytes = "0.11"
 serde_path_to_error = "0.1.16"
 chrono = { version = "0.4", features = ["serde", "clock", "std"], default-features = false }
-[target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dev-dependencies]
-getrandom = { version = "0.2", features = ["js"] }
 
 [package.metadata.docs.rs]
 all-features = true

README.md

@@ -269,7 +269,7 @@ This crate compiles to the `wasm32-unknown-unknown` target; when doing so, the `
 
 ## Minimum supported Rust version (MSRV)
 
-The MSRV for this crate is currently 1.71.1. Increases to the MSRV will only happen in a minor or major version release, and will be to a Rust version at least six months old.
+The MSRV for this crate is currently 1.81. Increases to the MSRV will only happen in a minor or major version release, and will be to a Rust version at least six months old.
 
 ## Contributing
 

clippy.toml

@@ -1 +1 @@
-msrv = "1.71.1"
+msrv = "1.81"

src/lib.rs

@@ -277,7 +277,7 @@
 //!
 //! ## Minimum supported Rust version (MSRV)
 //!
-//! The MSRV for this crate is currently 1.71.1. This will be rarely be increased, and if it ever
+//! The MSRV for this crate is currently 1.81. This will be rarely be increased, and if it ever
 //! is, it will only happen in a minor or major version release.
 
 #![allow(clippy::cognitive_complexity, clippy::derive_partial_eq_without_eq)]

wasm-test/.cargo/config.toml

@@ -0,0 +1,2 @@
+[build]
+rustflags = ["--cfg", "getrandom_backend=\"wasm_js\""]

wasm-test/Cargo.toml

@@ -11,7 +11,6 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 bson = { path = ".." }
-getrandom = { version = "0.2", features = ["js"] }
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.0"