Bump TS target of jest configs to es2019

This target is supported by node 12+ and the tests are running in node environment only, so this is safe.

Author: r0b1n

packages/pluggable-widgets-tools/CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Changed
+
+-   We fixed an issue with unit tests failing when files contain modern JavaScript features.
+
 ## [10.21.1] - 2025-06-13
 
 ### Added

packages/pluggable-widgets-tools/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mendix/pluggable-widgets-tools",
-  "version": "10.21.1",
+  "version": "10.21.2",
   "description": "Mendix Pluggable Widgets Tools",
   "engines": {
     "node": ">=20"

packages/pluggable-widgets-tools/test-config/jest.config.js

@@ -13,7 +13,7 @@ module.exports = {
         "^.+\\.tsx?$": [
             "ts-jest",
             {
-                tsconfig: { module: "commonjs" }
+                tsconfig: { module: "commonjs", target: "ES2019" },
             }
         ],
         "^.+\\.jsx?$": join(__dirname, "transform.js"),

packages/pluggable-widgets-tools/test-config/jest.enzyme-free.config.js

@@ -12,7 +12,7 @@ module.exports = {
         "^.+\\.tsx?$": [
             "ts-jest",
             {
-                tsconfig: { module: "commonjs" }
+                tsconfig: { module: "commonjs", target: "ES2019" },
             }
         ],
         "^.+\\.jsx?$": join(__dirname, "transform.js"),

packages/pluggable-widgets-tools/test-config/jest.native.config.js

@@ -23,7 +23,7 @@ module.exports = {
         "^.+\\.tsx?$": [
             "ts-jest",
             {
-                tsconfig: { module: "commonjs" }
+                tsconfig: { module: "commonjs", target: "ES2019" },
             }
         ],
         "^.+\\.jsx?$": join(__dirname, "transform-native.js")