Update src/helpers.js

ph-fritsche · eps1lon · web-flow · commit 80a6af82d298 · 2021-04-22T12:02:19.000+02:00
Co-authored-by: Sebastian Silbermann &lt;silbermann.sebastian@gmail.com&gt;
diff --git a/src/helpers.js b/src/helpers.js
@@ -13,7 +13,7 @@ function runWithRealTimers(callback) {
 
 function hasJestTimers() {
   return (
-    jest !== undefined &&
+    typeof jest !== 'undefined' &&
     jest !== null &&
     typeof jest.useRealTimers === 'function'
   )

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,7 @@ function runWithRealTimers(callback) {`
`13`	`13`
`14`	`14`	`function hasJestTimers() {`
`15`	`15`	`return (`
`16`		`- jest !== undefined &&`
	`16`	`+ typeof jest !== 'undefined' &&`
`17`	`17`	`jest !== null &&`
`18`	`18`	`typeof jest.useRealTimers === 'function'`
`19`	`19`	`)`