Git patch to add Jest with babel to a project set up with the preact cli

add-jest.patch

commit bf688814118231ecc64365e93e276f7fefa0652f
Author: Alexander Bird <[email protected]>
Date:   Thu Jan 30 19:39:22 2020 -0800

    Add Jest and 'npm test'

diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 0000000..8249e41
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,13 @@
+module.exports = {
+  env: {
+    test: {
+      presets: [
+        "preact",
+        [
+          '@babel/preset-env',
+          {
+            targets: {
+              node: 'current',
+            },
+          },
+        ],
+      ],
+     }
+   }
+};
diff --git a/package.json b/package.json
index 1b89f3b..d439a2b 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,8 @@
     "build": "preact build",
     "serve": "preact build && preact serve",
     "dev": "preact watch",
-    "lint": "eslint src"
+    "lint": "eslint src",
+    "test": "jest"
   },
   "eslintConfig": {
     "extends": "eslint-config-synacor"
@@ -17,9 +18,14 @@
     "build/*"
   ],
   "devDependencies": {
+    "@babel/core": "^7.8.4",
+    "@babel/preset-env": "^7.8.4",
+    "babel-jest": "^25.1.0",
+    "babel-preset-preact": "^2.0.0",
     "eslint": "^6.0.1",
     "eslint-config-synacor": "^3.0.4",
     "if-env": "^1.0.0",
+    "jest": "^25.1.0",
     "preact-cli": "^3.0.0-rc.6"
   },
   "dependencies": {