diff --git a/esbuild.config.mjs b/esbuild.config.mjs
index feac5f8..97a3f92 100644
--- a/esbuild.config.mjs
+++ b/esbuild.config.mjs
@@ -3,7 +3,7 @@ import process from "process";
 import builtins from 'builtin-modules'
 
 const banner =
-`/*
+	`/*
 THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
 if you want to view the source, please visit the github repository of this plugin
 */
@@ -47,7 +47,7 @@ esbuild.build({
 		...builtins],
 	format: 'cjs',
 	watch: !prod,
-	target: 'es2016',
+	target: 'es2018',
 	logLevel: "info",
 	sourcemap: prod ? false : 'inline',
 	treeShaking: true,
diff --git a/tsconfig.json b/tsconfig.json
index 2d6fbdf..9f87a84 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,14 +4,15 @@
     "inlineSourceMap": true,
     "inlineSources": true,
     "module": "ESNext",
-    "target": "ES6",
+    "target": "ES2018",
     "allowJs": true,
     "noImplicitAny": true,
     "moduleResolution": "node",
-    "importHelpers": true,
+    "importHelpers": false,
     "isolatedModules": true,
-	"strictNullChecks": true,
+    "strictNullChecks": true,
     "lib": [
+      "ES2018",
       "DOM",
       "ES5",
       "ES6",
@@ -21,4 +22,4 @@
   "include": [
     "**/*.ts"
   ]
-}
+}
\ No newline at end of file