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throw error if event names is not string

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This commit is contained in:
Vladimir Enchev
2015-09-17 15:39:40 +03:00
parent 601dffcbab
commit b70f6edff2
1 changed files with 9 additions and 0 deletions
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9
data/observable/observable.ts
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@ -53,7 +53,12 @@ export class Observable implements definition.Observable {
}
public addEventListener(eventNames: string, callback: (data: definition.EventData) => void, thisArg?: any) {
if (!types.isString(eventNames)) {
throw new TypeError("Events name(s) must be string.");
}
types.verifyCallback(callback);
var events: Array<string> = eventNames.split(",");
for (var i = 0, l = events.length; i < l; i++) {
@ -68,6 +73,10 @@ export class Observable implements definition.Observable {
}
public removeEventListener(eventNames: string, callback?: any, thisArg?: any) {
if (!types.isString(eventNames)) {
throw new TypeError("Events name(s) must be string.");
}
var events: Array<string> = eventNames.split(",");
for (var i = 0, l = events.length; i < l; i++) {