enable jest

babel.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env', {targets: {node: 'current'}}],
+     '@babel/preset-typescript',
+  ],
+};

package-lock.json

@@ -1439,12 +1439,12 @@
       }
     },
     "@babel/preset-typescript": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/preset-typescript/-/preset-typescript-7.10.4.tgz",
-      "integrity": "sha512-SdYnvGPv+bLlwkF2VkJnaX/ni1sMNetcGI1+nThF1gyv6Ph8Qucc4ZZAjM5yZcE/AKRXIOTZz7eSRDWOEjPyRQ==",
+      "version": "7.12.1",
+      "resolved": "https://registry.npmjs.org/@babel/preset-typescript/-/preset-typescript-7.12.1.tgz",
+      "integrity": "sha512-hNK/DhmoJPsksdHuI/RVrcEws7GN5eamhi28JkO52MqIxU8Z0QpmiSOQxZHWOHV7I3P4UjHV97ay4TcamMA6Kw==",
       "requires": {
         "@babel/helper-plugin-utils": "^7.10.4",
-        "@babel/plugin-transform-typescript": "^7.10.4"
+        "@babel/plugin-transform-typescript": "^7.12.1"
       }
     },
     "@babel/runtime": {
@@ -8946,6 +8946,15 @@
             "source-map": "^0.5.0"
           }
         },
+        "@babel/preset-typescript": {
+          "version": "7.10.4",
+          "resolved": "https://registry.npmjs.org/@babel/preset-typescript/-/preset-typescript-7.10.4.tgz",
+          "integrity": "sha512-SdYnvGPv+bLlwkF2VkJnaX/ni1sMNetcGI1+nThF1gyv6Ph8Qucc4ZZAjM5yZcE/AKRXIOTZz7eSRDWOEjPyRQ==",
+          "requires": {
+            "@babel/helper-plugin-utils": "^7.10.4",
+            "@babel/plugin-transform-typescript": "^7.10.4"
+          }
+        },
         "@babel/types": {
           "version": "7.11.5",
           "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.11.5.tgz",

package.json

@@ -7,9 +7,10 @@
     "build": "next build",
     "start": "next start",
     "test:watch": "jest --watch",
-    "test:ci": "jest"
+    "test": "jest"
   },
   "dependencies": {
+    "@babel/preset-typescript": "^7.12.1",
     "date-fns": "^2.16.1",
     "ics": "^2.26.1",
     "mongoose": "^5.10.13",