Merge pull request #31 from xiaofen9/master

doowb · web-flow · commit 1df992ce6d5a · 2020-01-16T11:37:23.000-05:00
fix type checking vul in ctorName
diff --git a/index.js b/index.js
@@ -66,7 +66,7 @@ module.exports = function kindOf(val) {
 };
 
 function ctorName(val) {
-  return val.constructor ? val.constructor.name : null;
+  return val.constructor && typeof val.constructor === 'function' ? val.constructor.name : null;
 }
 
 function isArray(val) {

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@ module.exports = function kindOf(val) {`
`66`	`66`	`};`
`67`	`67`
`68`	`68`	`function ctorName(val) {`
`69`		`- return val.constructor ? val.constructor.name : null;`
	`69`	`+ return val.constructor && typeof val.constructor === 'function' ? val.constructor.name : null;`
`70`	`70`	`}`
`71`	`71`
`72`	`72`	`function isArray(val) {`