Bug 204176 – Web Inspector: Uncaught Exception: Invalid type of argument 'eventName' for command 'DOMDebugger.setEventBreakpoint' call. It must be 'string' but it is 'object'.

• Status: RESOLVED
• Resolution: FIXED
• Component: Web Inspector

[Devin Rousso]

Uncaught Exception in Web Inspector.

Steps to Reproduce:
1. inspect any page
2. go to the Sources Tab
3. click the + in the Debugger section and select Event Breakpoint
4. leave the <input> empty and hit enter

Uncaught Exceptions:
-----------------------
 - Invalid type of argument 'eventName' for command 'DOMDebugger.setEventBreakpoint' call. It must be 'string' but it is 'object'. (at InspectorBackend.js:478:48)
    deliverFailure @ InspectorBackend.js:478:48
    invoke @ InspectorBackend.js:494:38
    _updateEventBreakpoint @ DOMDebuggerManager.js:701:62
    addEventBreakpoint @ DOMDebuggerManager.js:400:44
    _willDismissEventBreakpointPopover @ SourcesNavigationSidebarPanel.js:697:49
    willDismissPopover @ SourcesNavigationSidebarPanel.js:646:52
    dismiss @ Popover.js:166:45
    dismiss @ EventBreakpointPopover.js:110:22
    handleEvent @ Popover.js:176:29
-----------------------

Notes:
Inspected URL:        https://webkit.org/
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko)

[Devin Rousso]

Created attachment 383516 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 383516 [details]
Patch

Clearing flags on attachment: 383516

Committed r252447: <https://trac.webkit.org/changeset/252447>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.

[Radar WebKit Bug Importer]

<rdar://problem/57178290>