diff --git a/editors/code/rollup.config.js b/editors/code/rollup.config.js
index 337385a2458..2ca27694d85 100644
--- a/editors/code/rollup.config.js
+++ b/editors/code/rollup.config.js
@@ -1,7 +1,10 @@
+// @ts-check
+
 import resolve from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
 import nodeBuiltins from 'builtin-modules';
 
+/** @type { import('rollup').RollupOptions } */
 export default {
     input: 'out/main.js',
     plugins: [
diff --git a/editors/code/tsconfig.json b/editors/code/tsconfig.json
index 0c7702974a9..ad134865aa6 100644
--- a/editors/code/tsconfig.json
+++ b/editors/code/tsconfig.json
@@ -1,7 +1,7 @@
 {
     "compilerOptions": {
         "module": "commonjs",
-        "target": "es2018",
+        "target": "es2019",
         "outDir": "out",
         "lib": [
             "es2019"