Closed
Bug 1769795
Opened 2 years ago
Closed 2 years ago
Avoid updating codemirror empty lines on any debugger state update
Categories
(DevTools :: Debugger, enhancement)
DevTools
Debugger
Tracking
(firefox102 fixed)
RESOLVED
FIXED
102 Branch
| Tracking | Status | |
|---|---|---|
| firefox102 | --- | fixed |
People
(Reporter: ochameau, Assigned: ochameau)
References
(Blocks 1 open bug)
Details
Attachments
(1 file)
It looks like EmptyLines's disableEmptyLines method:
https://searchfox.org/mozilla-central/rev/24c1cdc33ccce692612276cd0d3e9a44f6c22fd3/devtools/client/debugger/src/components/Editor/EmptyLines.js#33-54
is called anytime any state change occurs, or at least very frequently!
Whereas this method involves non-trivial computation in CodeMirror.
We should avoid all these unecessary computation. It takes a significant time when opening the debugger from the MBT with many sources.
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Assignee | |
Comment 1•2 years ago
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We were calling the costly disableEmptyLines very frequently, about once for each new incoming source or so.
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Updated•2 years ago
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Assignee: nobody → poirot.alex
Status: NEW → ASSIGNED
Pushed by apoirot@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/543b96c0acab [devtools] Avoid updating empty lines too frequently in the debugger. r=bomsy
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Comment 3•2 years ago
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| bugherder | ||
Status: ASSIGNED → RESOLVED
Closed: 2 years ago
status-firefox102:
--- → fixed
Resolution: --- → FIXED
Target Milestone: --- → 102 Branch
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Description
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