WIP: Wasm bindings

.github/workflows/wasm.yml

@@ -0,0 +1,54 @@
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+name: WASM
+
+env:
+  RUSTDOCFLAGS: "-D warnings"
+  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: "sparse"
+
+jobs:
+  # Default
+  test-features-default:
+    name: "Build & Test"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo build
+      - run: cargo test
+
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+          components: rustfmt
+      - run: cargo fmt -- --check
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: nightly
+          components: clippy
+      - run: cargo +nightly clippy -- -D warnings
+
+  doc:
+    name: Documentation
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+      - run: cargo doc

Cargo.toml

@@ -21,6 +21,7 @@ num-traits = { version = "0.2", default-features = false }
 serde = { version = "1.0", default-features = false, optional = true, features = ["serde_derive"] }
 slotmap = { version = "1.0.6", default-features = false, optional = true }
 grid = { version = "0.13.0", default-features = false, optional = true }
+wasm-bindgen = { version = "0.2.84", optional = true }
 
 ### FEATURES #################################################################
 
@@ -51,6 +52,8 @@ serde = ["dep:serde"]
 std = ["num-traits/std", "grid?/std", "serde?/std", "slotmap?/std"]
 # Allow Taffy to depend on the alloc library
 alloc = ["serde?/alloc"]
+# Enable WASM bindgen derives on core types
+wasm = ["dep:wasm-bindgen"]
 # Internal feature for debugging
 debug = ["std"]
 # Internal feature for profiling

bindings/wasm/.gitignore

@@ -0,0 +1 @@
+target

bindings/wasm/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "taffy-layout"
+version = "0.3.9"
+edition = "2021"
+
+# This crate is for WASM bindings: it should never be published to crates.io
+publish = false
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[features]
+default = ["console_error_panic_hook"]
+
+[dependencies]
+wasm-bindgen = "0.2.84"
+js-sys = "0.3"
+taffy = { path = "../..", features = ["wasm"] }
+console_error_panic_hook = { version = "0.1.1", optional = true }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.33"
+
+[profile.release]
+opt-level = "s"
+
+[workspace]