fix node engines w/out Array.prototype.findIndex

tjmehta · tjmehta · commit 496a2317128a · 2016-03-17T14:12:58.000-07:00
diff --git a/find-key.js b/find-key.js
@@ -13,7 +13,7 @@
 module.exports = findKey
 
 function findKey (obj, callback, thisArg) {
-  if (Array.isArray(obj)) {
+  if (Array.isArray(obj) && obj.findIndex) {
     var index = obj.findIndex(callback, thisArg)
     return ~index ? index : undefined
   }

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,7 @@`
`13`	`13`	`module.exports = findKey`
`14`	`14`
`15`	`15`	`function findKey (obj, callback, thisArg) {`
`16`		`- if (Array.isArray(obj)) {`
	`16`	`+ if (Array.isArray(obj) && obj.findIndex) {`
`17`	`17`	`var index = obj.findIndex(callback, thisArg)`
`18`	`18`	`return ~index ? index : undefined`
`19`	`19`	`}`