es modules: config changes for testing

jest and ts-jest need to be more aware of es support.  Use new loader to handle filetype qualified names.

Signed-off-by: Chris. Webster <[email protected]>

Author: webstech

package-lock.json

@@ -15,8 +15,9 @@
     "cleanbranch": "node ./build/script/delete-test-branches.js",
     "lint": "eslint -c .eslintrc.js --ext .ts,.js \"{lib,script,tests,tests-config}/**/*.{ts,tsx,js}\"",
     "start": "node server.js",
-    "test": "jest --env=node",
-    "test:config": "jest --env=node --testRegex=/tests-config/.*\\.test\\.ts",
+    "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js --env=node",
+    "test:clean": "jest --clearCache && npm test",
+    "test:config": "npm run test -- --testRegex=/tests-config/.*\\.test\\.ts",
     "test:watch": "jest --watch --notify --notifyMode=change --coverage",
     "ci": "npm run lint && jest --env=node --ci --reporters=default --reporters=jest-junit"
   },
@@ -28,13 +29,20 @@
       "lib/*.ts"
   ],
   "jest": {
+    "extensionsToTreatAsEsm": [".ts"],
     "moduleFileExtensions": [
       "ts",
       "tsx",
       "js"
     ],
+    "preset": "ts-jest/presets/default-esm",
+    "resolver": "ts-jest-resolver",
     "transform": {
-      "\\.(ts|tsx)$": "ts-jest"
+      "\\.(ts|tsx)$": ["ts-jest",
+        {
+            "useESM": true
+        }
+      ]
     },
     "testRegex": "/tests/.*\\.test\\.(ts|tsx|js)$"
   },
@@ -60,6 +68,7 @@
     "jest-junit": "^16.0.0",
     "test-smtp-server": "0.9.8",
     "ts-jest": "^29.2.4",
+    "ts-jest-resolver": "^2.0.1",
     "ts-node": "^10.9.2",
     "typescript": "^5.5.4"
   },