chore: Optimize wasm build with wasm-opt and in Cargo.toml

.github/workflows/release.yaml

@@ -27,13 +27,23 @@ jobs:
 
       - name: Build
         run: |
-          cargo build --release --target wasm32-unknown-unknown
+          cargo build --profile wasm --target wasm32-unknown-unknown
+
+      - name: Download wasm-opt
+        run: |
+          wget https://github.com/WebAssembly/binaryen/releases/download/version_116/binaryen-version_116-x86_64-linux.tar.gz
+          tar -xvf binaryen-version_116-x86_64-linux.tar.gz
+          chmod +x binaryen-version_116/bin/wasm-opt
 
       - name: Prepare package
         run: |
-          wasm-bindgen --no-typescript --out-name bevy_game --out-dir wasm --target web target/wasm32-unknown-unknown/release/${{ env.binary }}.wasm
+          wasm-bindgen --no-typescript --out-name bevy_game --out-dir wasm --target web target/wasm32-unknown-unknown/wasm/${{ env.binary }}.wasm
           cp -r assets wasm/
 
+      - name: Optimize Wasm Build
+        run: |
+          ./binaryen-version_116/bin/wasm-opt -Oz -o wasm/bevy_game_bg.wasm wasm/bevy_game_bg.wasm
+
       - name: Package as a zip
         working-directory: ./wasm
         run: |

Cargo.toml

@@ -1,18 +1,24 @@
 [package]
 name = "insta-kill"
-version = "0.1.3"
+version = "0.1.4"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-# Enable a small amount of optimization in debug mode
 [profile.dev]
 opt-level = 1
 
-# Enable high optimizations for dependencies (incl. Bevy), but not for our code:
 [profile.dev.package."*"]
 opt-level = 3
 
+# https://github.com/rust-lang/cargo/issues/4897
+[profile.wasm]
+inherits = "release"
+panic = "abort"
+opt-level = 'z'
+lto = true
+codegen-units = 1
+
 [dependencies]
 chrono = "0.4.31"
 rand = "0.8.5"