1562708 - DOM Mutation Breakpoints should not log "Use of Mutation Events is deprecated. Use MutationObserver instead."

Status: RESOLVED FIXED

(DevTools :: Debugger, defect, P2)

Description

[Logan Smyth [:loganfsmyth]]

The current implementation triggers a console warning saying "Use of Mutation Events is deprecated. Use MutationObserver instead." because we make use of the DOMSubtreeModified event DOM event, among others.

These events match well with what we're trying to do in the debugger, so we'll want to explore what alternatives exist to see what next steps make sense.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

The priority flag is not set for this bug.
:jlast, could you have a look please?

For more information, please visit auto_nag documentation.

Comment 2

[Logan Smyth [:loganfsmyth]]

Attachment: Bug 1562708 - Avoid logging a warning when adding an initial DOM mutation breakpoint. r=jlast

Comment 3

[Logan Smyth [:loganfsmyth]]

Attachment: Bug 1562708 - Allow disabling of the mutation event warning for system-group event listeners. r=smaug

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/f7c76fd89acd
Allow disabling of the mutation event warning for system-group event listeners. r=smaug

Comment 5

[Daniel Varga [:dvarga]]

https://hg.mozilla.org/mozilla-central/rev/f7c76fd89acd