perf(js): Use mimalloc on some platforms

Author: Stranger6667

bindings/javascript/Cargo.toml

@@ -19,6 +19,9 @@ crate-type = ["cdylib"]
 napi = { version = "2.14.1", default-features = false, features = ["napi4"] }
 napi-derive = "2.14.4"
 
+[target.'cfg(all(not(all(target_os = "linux", target_arch = "aarch64", target_env = "musl")), not(all(target_os = "windows", target_arch = "aarch64")), not(target_arch = "wasm32")))'.dependencies]
+mimalloc-rust = { version = "0.2" }
+
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 attohttpc = { version = "0.24", default-features = false }
 wasm-bindgen = "0.2.87"

bindings/javascript/README.md

@@ -141,9 +141,9 @@ Here is the performance comparison:
 
 |             | Size    | `css-inline 0.11.2` | `css-inline-wasm 0.11.2` | `juice 10.0.0`        | `inline-css 4.0.2`     |
 |-------------|---------|---------------------|--------------------------|-----------------------|------------------------|
-| Basic       | 230 B   | 15.19 µs            | 29.33 µs (**1.93x**)     | 142.53 µs (**9.38x**) | 163.77 µs (**10.78x**) |
-| Realistic-1 | 8.58 KB | 336.81 µs           | 638.97 µs (**1.90x**)    | 1.28 ms (**3.80x**)   | 1.87 ms (**5.57x**)    |
-| Realistic-2 | 4.3 KB  | 210.52 µs           | 385.20 µs (**1.82x**)    | 1.72 ms (**8.18x**)   | 1.56 ms (**7.44x**)    |
+| Basic       | 230 B   | 15.06 µs            | 29.33 µs (**1.94x**)     | 142.53 µs (**9.46x**) | 163.77 µs (**10.87x**) |
+| Realistic-1 | 8.58 KB | 320.71 µs           | 638.97 µs (**1.99x**)    | 1.28 ms (**4.01x**)   | 1.87 ms (**5.85x**)    |
+| Realistic-2 | 4.3 KB  | 205.21 µs           | 385.20 µs (**1.87x**)    | 1.72 ms (**8.42x**)   | 1.56 ms (**7.63x**)    |
 
 The "Basic" case was obtained from benchmarking the example from the Usage section.
 

bindings/javascript/src/lib.rs

@@ -7,6 +7,15 @@ mod errors;
 mod options;
 use options::Options;
 
+#[cfg(all(
+    not(target_arch = "wasm32"),
+    not(debug_assertions),
+    not(all(target_os = "windows", target_arch = "aarch64")),
+    not(all(target_os = "linux", target_arch = "aarch64", target_env = "musl")),
+))]
+#[global_allocator]
+static ALLOC: mimalloc_rust::GlobalMiMalloc = mimalloc_rust::GlobalMiMalloc;
+
 #[cfg(not(target_arch = "wasm32"))]
 #[napi]
 /// Inline CSS styles from <style> tags to matching elements in the HTML tree and return a string.