Transform tests into TypeScript

babel.config.cjs

@@ -2,7 +2,7 @@ if (process.env.KAIKU_JSX_RUNTIME) {
   const nodeEnv =
     process.env.KAIKU_VERSION === 'development' ? 'development' : 'production'
   module.exports = {
-    presets: ['@babel/preset-env'],
+    presets: ['@babel/preset-env', '@babel/preset-typescript'],
     plugins: [
       ['transform-define', { 'process.env.NODE_ENV': nodeEnv }],
       [
@@ -13,7 +13,7 @@ if (process.env.KAIKU_JSX_RUNTIME) {
   }
 } else {
   module.exports = {
-    presets: ['@babel/preset-env'],
+    presets: ['@babel/preset-env', '@babel/preset-typescript'],
     plugins: [
       [
         '@babel/plugin-transform-react-jsx',

package.json

@@ -29,11 +29,12 @@
     "prettier": "prettier --write .",
     "prepublishOnly": "yarn build && yarn test && yarn lint && yarn typings"
   },
-  "dependencies": {},
   "devDependencies": {
     "@babel/plugin-transform-async-to-generator": "^7.14.5",
     "@babel/plugin-transform-react-jsx": "^7.14.5",
     "@babel/preset-env": "^7.14.7",
+    "@babel/preset-typescript": "^7.23.3",
+    "@types/jest": "^29.5.11",
     "@typescript-eslint/eslint-plugin": "^4.28.3",
     "@typescript-eslint/parser": "^4.28.3",
     "babel-plugin-transform-define": "^2.1.2",

test/__snapshots__/kaiku.spec.jsx.snap → test/__snapshots__/kaiku.spec.tsx.snap

@@ -82,10 +82,6 @@ exports[`kaiku should handle updates with Object.keys 5`] = `"<div><span>foobar<
 
 exports[`kaiku should handle updates with Object.keys 6`] = `"<div><span>foobar</span><span>barfoo</span></div>"`;
 
-exports[`kaiku should not exhaust call stack with MANY nested elements 1`] = `"<div>I am the final child!</div>"`;
-
-exports[`kaiku should not exhaust call stack with MANY nested elements 2`] = `"<div>I am the final child!</div>"`;
-
 exports[`kaiku should not refire previous lazy props if component re-renders 1`] = `"<div id=\\"0\\">0</div>"`;
 
 exports[`kaiku should not refire previous lazy props if component re-renders 2`] = `"<div id=\\"0\\">1</div>"`;