fix: drop wee malloc to remove memory leaks

Repeatedly calling this library causes unbounded memory growth.
Wee-alloc has known memory leak issues.
See rustwasm/wee_alloc#106

Rust's standard library allocator can be used instead.

Cargo.toml

@@ -11,7 +11,7 @@ license = "Apache-2.0"
 crate-type = ["cdylib", "rlib"]
 
 [features]
-default = ["wee_alloc", "console_error_panic_hook"]
+default = ["console_error_panic_hook"]
 
 [profile.release]
 lto = true
@@ -20,7 +20,6 @@ opt-level = 's'
 [dependencies]
 wasm-bindgen = { version = "0.2", features = ["serde-serialize"] }
 brotli = "3.3"
-wee_alloc = { version = "0.4", optional = true }
 console_error_panic_hook = { version = "0.1", optional = true }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0" }

src/lib.rs

@@ -4,10 +4,6 @@ use brotli;
 use wasm_bindgen::prelude::*;
 use serde::{Serialize, Deserialize};
 
-#[cfg(feature = "wee_alloc")]
-#[global_allocator]
-static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
-
 pub fn set_panic_hook() {
     #[cfg(feature="console_error_panic_hook")]
     console_error_panic_hook::set_once();