fix(pretty-format): correctly detect memo

SimenB · SimenB · commit 899cc86629f1 · 2019-11-17T16:33:51.000+01:00
diff --git a/packages/jest-fake-timers/package.json b/packages/jest-fake-timers/package.json
@@ -17,7 +17,7 @@
     "lolex": "^5.0.0"
   },
   "devDependencies": {
-    "@types/lolex": "^3.1.1"
+    "@types/lolex": "^5.1.0"
   },
   "engines": {
     "node": ">= 8"
diff --git a/packages/pretty-format/package.json b/packages/pretty-format/package.json
@@ -16,7 +16,7 @@
     "@jest/types": "^24.9.0",
     "ansi-regex": "^5.0.0",
     "ansi-styles": "^4.0.0",
-    "react-is": "^16.8.4"
+    "react-is": "^16.12.0"
   },
   "devDependencies": {
     "@types/react": "*",
diff --git a/packages/pretty-format/src/plugins/ReactElement.ts b/packages/pretty-format/src/plugins/ReactElement.ts
@@ -60,7 +60,7 @@ const getType = (element: any) => {
         : 'ForwardRef';
     }
 
-    if (ReactIs.isMemo(type)) {
+    if (ReactIs.isMemo(element)) {
       const functionName =
         type.displayName || type.type.displayName || type.type.name || '';
 
diff --git a/yarn.lock b/yarn.lock

Original file line number	Diff line number	Diff line change
`@@ -60,7 +60,7 @@ const getType = (element: any) => {`
`60`	`60`	`: 'ForwardRef';`
`61`	`61`	`}`
`62`	`62`
`63`		`- if (ReactIs.isMemo(type)) {`
	`63`	`+ if (ReactIs.isMemo(element)) {`
`64`	`64`	`const functionName =`
`65`	`65`	`type.displayName \|\| type.type.displayName \|\| type.type.name \|\| '';`
`66`	`66`