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Merge pull request #23478 from overleaf/em-doc-hash-diff

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Fix doc hash on delete + insert combination

GitOrigin-RevId: ecea5f8ab01f24a9064be88611256b502500d91f
This commit is contained in:
Eric Mc Sween
2025-02-10 09:05:38 +00:00
committed by Copybot
parent b5f96b50c0
commit 064baf31ad
2 changed files with 29 additions and 1 deletions
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services/project-history/app/js/UpdateCompressor.js
+8 -1
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@@ -397,9 +397,16 @@ function _concatTwoUpdates(firstUpdate, secondUpdate) {
// Make sure that commentIds metadata is propagated to inserts
op.commentIds = secondOp.commentIds
}
return mergeUpdatesWithOp(firstUpdate, secondUpdate, op)
const update = mergeUpdatesWithOp(firstUpdate, secondUpdate, op)
// Set the doc hash only on the last update
delete update.meta.doc_hash
return update
}
)
const docHash = secondUpdate.meta.doc_hash
if (docHash != null && diffUpdates.length > 0) {
diffUpdates[diffUpdates.length - 1].meta.doc_hash = docHash
}
// Doing a diff like this loses track of the doc lengths for each
// update, so recalculate them