diff --git a/public/playground.js b/public/playground.js
index cc924a2..2503a89 100644
--- a/public/playground.js
+++ b/public/playground.js
@@ -1,15 +1,3 @@
-var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
-var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
-    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
-    var g = generator.apply(thisArg, _arguments || []), i, q = [];
-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
-    function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
-    function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
-    function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
-    function fulfill(value) { resume("next", value); }
-    function reject(value) { resume("throw", value); }
-    function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
-};
 let interceptor;
 export function init(kyselyConstructor, adapter, introspector, queryCompiler, i) {
     interceptor = i;
@@ -42,7 +30,7 @@ class PlaygroundDialect {
 }
 const resolved = Promise.resolve();
 function dispatch(method, detail = {}) {
-    window.dispatchEvent(new CustomEvent("playground", { detail: Object.assign({ method }, detail) }));
+    window.dispatchEvent(new CustomEvent("playground", { detail: { method, ...detail } }));
 }
 class PlaygroundDriver {
     init() {
@@ -81,10 +69,8 @@ class PlaygroundConnection {
     }
     streamQuery(compiledQuery, chunkSize) {
         dispatch("streamQuery", { compiledQuery, chunkSize });
-        return (function g() {
-            return __asyncGenerator(this, arguments, function* g_1() {
-                yield yield __await(playgroundResult());
-            });
+        return (async function* g() {
+            yield playgroundResult();
         })();
     }
 }
@@ -92,5 +78,5 @@ function playgroundResult() {
     if (interceptor === null || interceptor === void 0 ? void 0 : interceptor.result) {
         return interceptor.result;
     }
-    return { rows: [] };
+    return { rows: [{}] };
 }
diff --git a/tsconfig.pub.json b/tsconfig.pub.json
index 06c3eeb..0f06df3 100644
--- a/tsconfig.pub.json
+++ b/tsconfig.pub.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "ES2015",
+    "target": "ES2018",
     "skipLibCheck": true,
     "strict": true,
     "module": "ES2015",