refactor(toJson): use the isUndefined() function

kuroky360 · gkalpak · commit 260cfe6dc9f7 · 2016-02-04T10:35:48.000+02:00
Closes #13923
diff --git a/src/Angular.js b/src/Angular.js
@@ -1188,7 +1188,7 @@ function toJsonReplacer(key, value) {
  * @returns {string|undefined} JSON-ified string representing `obj`.
  */
 function toJson(obj, pretty) {
-  if (typeof obj === 'undefined') return undefined;
+  if (isUndefined(obj)) return undefined;
   if (!isNumber(pretty)) {
     pretty = pretty ? 2 : null;
   }

Original file line number	Diff line number	Diff line change
`@@ -1188,7 +1188,7 @@ function toJsonReplacer(key, value) {`
`1188`	`1188`	* @returns {string\|undefined} JSON-ified string representing `obj`.
`1189`	`1189`	`*/`
`1190`	`1190`	`function toJson(obj, pretty) {`
`1191`		`- if (typeof obj === 'undefined') return undefined;`
	`1191`	`+ if (isUndefined(obj)) return undefined;`
`1192`	`1192`	`if (!isNumber(pretty)) {`
`1193`	`1193`	`pretty = pretty ? 2 : null;`
`1194`	`1194`	`}`