fix jest build problem

See facebook/create-react-app#9938, specifically the solution in facebook/create-react-app#9938 (comment)
Floppy · Oct 15, 2021 · 43f18f3 · 43f18f3
1 parent 905ece1
commit 43f18f3
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/package.json b/package.json
@@ -80,6 +80,10 @@
     ]
   },
   "jest": {
+    "transform": {
+      "^.+\\.[t|j]sx?$": "babel-jest"
+    },
+    "transformIgnorePatterns": ["node_modules/(?!react-markdown)/"],
     "coverageThreshold": {
       "global": {
         "branches": 0,