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feat(cwl): Support autoscrolling live tail session's visible editors #5857

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Merged
merged 3 commits into from
Oct 28, 2024
Merged

feat(cwl): Support autoscrolling live tail session's visible editors #5857

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e3ee3f7
Support autoscrolling
Oct 24, 2024
008746d
Remove redundant position variable
Oct 24, 2024
9f28e4c
Remove redundant isEditorForSession variable
Oct 25, 2024
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20 changes: 20 additions & 0 deletions packages/core/src/awsService/cloudWatchLogs/commands/tailLogGroup.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,11 @@ async function handleSessionStream(
formatLogEvent(logEvent)
)
if (formattedLogEvents.length !== 0) {
//Determine should scroll before adding new lines to doc because adding large
//amount of new lines can push bottom of file out of view before scrolling.
const editorsToScroll = getTextEditorsToScroll(document)
await updateTextDocumentWithNewLogEvents(formattedLogEvents, document, session.maxLines)
editorsToScroll.forEach(scrollTextEditorToBottom)
}
}
}
Expand All @@ -99,6 +103,22 @@ function formatLogEvent(logEvent: LiveTailSessionLogEvent): string {
return line
}

//Auto scroll visible LiveTail session editors if the end-of-file is in view.
//This allows for newly added log events to stay in view.
function getTextEditorsToScroll(document: vscode.TextDocument): vscode.TextEditor[] {
return vscode.window.visibleTextEditors.filter((editor) => {
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@jpinkney-aws jpinkney-aws Oct 24, 2024

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If someone has a two visible editors, one on the left and one on the right like:

____________________________________________________
|                      |                           |
| first editor         |       second editor       |
|                      |                           |
____________________________________________________

does that mean both of them will scroll?

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@keeganirby keeganirby Oct 24, 2024

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Yep! they'd both be considered visible and able to be scrolled if at EOF. If one isn't at EOF, and the other is, then only one would be scrolled.

if (editor.document !== document) {
return false
}
return editor.visibleRanges[0].contains(new vscode.Position(document.lineCount - 1, 0))
})
}

function scrollTextEditorToBottom(editor: vscode.TextEditor) {
const position = new vscode.Position(Math.max(editor.document.lineCount - 2, 0), 0)
editor.revealRange(new vscode.Range(position, position), vscode.TextEditorRevealType.Default)
}

async function updateTextDocumentWithNewLogEvents(
formattedLogEvents: string[],
document: vscode.TextDocument,
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