Revert "upgrade to react 19"

This reverts commit 06f93bc.

Author: ndelangen

code/addons/a11y/package.json

@@ -67,9 +67,9 @@
     "@storybook/icons": "^1.4.0",
     "@testing-library/react": "^14.0.0",
     "execa": "^9.5.2",
-    "react": "^19.1.1",
-    "react-dom": "^19.1.1",
-    "react-resize-detector": "^12.3.0",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-resize-detector": "^7.1.2",
     "typescript": "^5.8.3",
     "vitest-axe": "^0.1.0"
   },

code/addons/docs/package.json

@@ -102,9 +102,9 @@
     "markdown-to-jsx": "^7.7.2",
     "memoizerific": "^1.11.3",
     "polished": "^4.2.2",
-    "react": "^19.1.1",
+    "react": "^18.2.0",
     "react-colorful": "^5.1.2",
-    "react-dom": "^19.1.1",
+    "react-dom": "^18.2.0",
     "rehype-external-links": "^3.0.0",
     "rehype-slug": "^6.0.0",
     "telejson": "8.0.0",

code/addons/jest/package.json

@@ -55,8 +55,8 @@
   },
   "devDependencies": {
     "@storybook/icons": "^1.4.0",
-    "react": "^19.1.1",
-    "react-dom": "^19.1.1",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
     "react-resize-detector": "^7.1.2",
     "typescript": "^5.8.3"
   },

code/addons/onboarding/package.json

@@ -53,8 +53,8 @@
   "devDependencies": {
     "@neoconfetti/react": "^1.0.0",
     "@storybook/icons": "^1.4.0",
-    "react": "^19.1.1",
-    "react-dom": "^19.1.1",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
     "react-joyride": "^2.8.2",
     "typescript": "^5.8.3"
   },

code/addons/pseudo-states/package.json

@@ -56,8 +56,8 @@
   },
   "devDependencies": {
     "@storybook/icons": "^1.4.0",
-    "react": "^19.1.1",
-    "react-dom": "^19.1.1",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
     "typescript": "^5.8.3"
   },
   "peerDependencies": {

code/addons/themes/package.json

@@ -62,8 +62,8 @@
   },
   "devDependencies": {
     "@storybook/icons": "^1.4.0",
-    "react": "^19.1.1",
-    "react-dom": "^19.1.1",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
     "typescript": "^5.8.3"
   },
   "peerDependencies": {

code/addons/vitest/package.json

@@ -92,8 +92,8 @@
     "micromatch": "^4.0.8",
     "pathe": "^1.1.2",
     "picocolors": "^1.1.0",
-    "react": "^19.1.1",
-    "react-dom": "^19.1.1",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
     "semver": "^7.6.3",
     "sirv": "^2.0.4",
     "slash": "^5.0.0",

code/core/package.json

@@ -280,7 +280,7 @@
     "@types/pretty-hrtime": "^1.0.0",
     "@types/prompts": "^2.0.9",
     "@types/react-syntax-highlighter": "11.0.5",
-    "@types/react-transition-group": "^4.4.12",
+    "@types/react-transition-group": "^4",
     "@types/semver": "^7.5.8",
     "@types/ws": "^8",
     "@vitest/utils": "^3.2.4",
@@ -338,14 +338,14 @@
     "prettier": "^3.5.3",
     "pretty-hrtime": "^1.0.3",
     "prompts": "^2.4.0",
-    "react": "^19.1.1",
-    "react-dom": "^19.1.1",
-    "react-helmet-async": "^2.0.5",
-    "react-inspector": "^8.0.0",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-helmet-async": "^1.3.0",
+    "react-inspector": "^6.0.0",
     "react-popper-tooltip": "^4.4.2",
     "react-router-dom": "6.15.0",
-    "react-syntax-highlighter": "^15.6.6",
-    "react-textarea-autosize": "^8.5.9",
+    "react-syntax-highlighter": "^15.4.5",
+    "react-textarea-autosize": "^8.3.0",
     "react-transition-group": "^4.4.5",
     "require-from-string": "^2.0.2",
     "resolve-from": "^5.0.0",

code/lib/create-storybook/package.json

@@ -55,7 +55,7 @@
     "ora": "^5.4.1",
     "picocolors": "^1.1.0",
     "prompts": "^2.4.0",
-    "react": "^19.1.1",
+    "react": "^18.2.0",
     "tiny-invariant": "^1.3.1",
     "ts-dedent": "^2.0.0",
     "typescript": "^5.8.3"

code/package.json

@@ -96,7 +96,7 @@
     "esbuild": "^0.25.3",
     "playwright": "1.52.0",
     "playwright-core": "1.52.0",
-    "react": "^19.1.1",
+    "react": "^18.2.0",
     "serialize-javascript": "^3.1.0",
     "type-fest": "~2.19",
     "typescript": "^5.8.3"
@@ -198,8 +198,8 @@
     "prettier-plugin-jsdoc": "^1.3.0",
     "prettier-plugin-merge": "^0.7.0",
     "process": "^0.11.10",
-    "react": "^19.1.1",
-    "react-dom": "^19.1.1",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
     "rimraf": "^6.0.1",
     "slash": "^5.0.0",
     "sort-package-json": "^2.14.0",