fix for emscripten 5.0.3

Author: toyobayashi

.github/workflows/main.yml

@@ -35,7 +35,6 @@ env:
   WASI_VERSION: '29'
   WASI_VERSION_FULL: '29.0'
   WASI_SDK_PATH: './wasi-sdk-29.0'
-  EM_VERSION: '4.0.11'
   EM_CACHE_FOLDER: 'emsdk-cache'
   NODE_VERSION: '24.11.1'
 
@@ -44,6 +43,8 @@ jobs:
     timeout-minutes: 15
     name: Build
     runs-on: ubuntu-latest
+    env:
+      EM_VERSION: '5.0.3'
     strategy:
       fail-fast: false
       matrix:
@@ -159,6 +160,8 @@ jobs:
 
   release:
     name: Release main packages
+    env:
+      EM_VERSION: '4.0.11'
     if: ${{ github.event_name == 'workflow_dispatch' && inputs.release_independent_package == 'main' }}
     needs: build
     runs-on: ubuntu-latest

packages/ts-transform-emscripten-esm-library/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@emnapi/ts-transform-emscripten-esm-library",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Using ESM to write Emscripten JavaScript library",
   "type": "module",
   "main": "./dist/index.js",

packages/ts-transform-emscripten-esm-library/src/index.ts

@@ -490,9 +490,9 @@ function transformWithOptions (fileName: string, sourceText: string, options?: T
 
   const prefix = [
     ...defaultLibraryFuncsToInclude
-      .map(sym => `{{{ ((DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.indexOf("${sym}") === -1 ? DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.push("${sym}") : undefined), "") }}}`),
+      .map(sym => `{{{ ((typeof DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.add === "function" ? DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.add("${sym}") : (DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.indexOf("${sym}") === -1 ? DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.push("${sym}") : undefined)), "") }}}`),
     ...exportedRuntimeMethods
-      .map(sym => `{{{ ((EXPORTED_RUNTIME_METHODS.indexOf("${sym}") === -1 ? EXPORTED_RUNTIME_METHODS.push("${sym}") : undefined), "") }}}`)
+      .map(sym => `{{{ ((typeof EXPORTED_RUNTIME_METHODS.add === "function" ? EXPORTED_RUNTIME_METHODS.add("${sym}") : (EXPORTED_RUNTIME_METHODS.indexOf("${sym}") === -1 ? EXPORTED_RUNTIME_METHODS.push("${sym}") : undefined)), "") }}}`)
   ].join(EOL)
 
   if (processDirective) {