Bump target to ES2019

Author: ark120202

src/playground/fengari.worker.ts

@@ -19,7 +19,7 @@ const redirectPrintStream = `
 
 function transformLuaValue(rootValue: any) {
     const seenLuaValues = new Set<any>();
-    function transform(luaValue: any) {
+    function transform(luaValue: any): any {
         if (typeof luaValue !== "function") return luaValue;
 
         if (luaValue.toString().startsWith("function:")) {
@@ -33,12 +33,7 @@ function transformLuaValue(rootValue: any) {
 
         seenLuaValues.add(luaValue.toString());
 
-        // TODO: Object.fromEntries
-        const result: Record<string, any> = {};
-        for (const [key, value] of luaValue) {
-            result[key] = transform(value);
-        }
-        return result;
+        return Object.fromEntries([...luaValue].map(([key, value]) => [key, transform(value)]));
     }
 
     return transform(rootValue);

src/tsconfig.json

@@ -5,9 +5,8 @@
         "allowSyntheticDefaultImports": true,
         "resolveJsonModule": true,
         "sourceMap": true,
-        // TODO: Bump to latest once Edge 18 support would end
-        "target": "es2017",
-        "lib": ["es2017", "dom", "dom.iterable", "webworker"],
+        "target": "es2019",
+        "lib": ["es2019", "dom", "dom.iterable", "webworker"],
         "strict": true
     }
 }