Use opt-level=z for browser wasm (#5494)

package.json

@@ -39,7 +39,7 @@
     "build": "concurrently -c green,blue \"npm run build:wasm\" \"npm:build:ast-converters\" && concurrently -c green,blue \"npm run build:napi -- --release\" \"npm:build:js\" && npm run build:copy-native",
     "build:quick": "concurrently -c green,blue 'npm:build:napi' 'npm:build:cjs' && npm run build:copy-native",
     "build:napi": "napi build --platform --dts native.d.ts --js false --cargo-cwd rust -p bindings_napi --cargo-name bindings_napi",
-    "build:wasm": "wasm-pack build rust/bindings_wasm --out-dir ../../wasm --target web --no-pack && shx rm wasm/.gitignore",
+    "build:wasm": "cross-env RUSTFLAGS=\"-C opt-level=z\" wasm-pack build rust/bindings_wasm --out-dir ../../wasm --target web --no-pack && shx rm wasm/.gitignore",
     "build:wasm:node": "wasm-pack build rust/bindings_wasm --out-dir ../../wasm-node --target nodejs --no-pack && shx rm wasm-node/.gitignore",
     "update:napi": "npm run build:napi && npm run build:copy-native",
     "build:js": "rollup --config rollup.config.ts --configPlugin typescript --forceExit",
@@ -149,6 +149,7 @@
     "colorette": "^2.0.20",
     "concurrently": "^8.2.2",
     "core-js": "3.36.0",
+    "cross-env": "^7.0.3",
     "date-time": "^4.0.0",
     "es5-shim": "^4.6.7",
     "es6-shim": "^0.35.8",

wasm/bindings_wasm.d.ts

@@ -31,10 +31,10 @@ export interface InitOutput {
   readonly xxhashBase36: (a: number, b: number) => void;
   readonly xxhashBase16: (a: number, b: number) => void;
   readonly __wbindgen_add_to_stack_pointer: (a: number) => number;
-  readonly __wbindgen_malloc: (a: number, b: number) => number;
-  readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
-  readonly __wbindgen_free: (a: number, b: number, c: number) => void;
-  readonly __wbindgen_exn_store: (a: number) => void;
+  readonly __wbindgen_export_0: (a: number, b: number) => number;
+  readonly __wbindgen_export_1: (a: number, b: number, c: number, d: number) => number;
+  readonly __wbindgen_export_2: (a: number, b: number, c: number) => void;
+  readonly __wbindgen_export_3: (a: number) => void;
 }
 
 export type SyncInitInput = BufferSource | WebAssembly.Module;

wasm/bindings_wasm_bg.wasm.d.ts

@@ -6,7 +6,7 @@ export function xxhashBase64Url(a: number, b: number): void;
 export function xxhashBase36(a: number, b: number): void;
 export function xxhashBase16(a: number, b: number): void;
 export function __wbindgen_add_to_stack_pointer(a: number): number;
-export function __wbindgen_malloc(a: number, b: number): number;
-export function __wbindgen_realloc(a: number, b: number, c: number, d: number): number;
-export function __wbindgen_free(a: number, b: number, c: number): void;
-export function __wbindgen_exn_store(a: number): void;
+export function __wbindgen_export_0(a: number, b: number): number;
+export function __wbindgen_export_1(a: number, b: number, c: number, d: number): number;
+export function __wbindgen_export_2(a: number, b: number, c: number): void;
+export function __wbindgen_export_3(a: number): void;