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diff full-doc LSP edits (#4041)

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Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
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Kirawi 2022-10-02 15:23:23 -04:00 committed by GitHub
parent 6caa7a7f56
commit 8c2cc43017
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1 changed files with 14 additions and 0 deletions
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14
helix-lsp/src/lib.rs
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@ -204,6 +204,20 @@ pub fn generate_transaction_from_edits(
// in reverse order.
edits.sort_unstable_by_key(|edit| edit.range.start);
// Generate a diff if the edit is a full document replacement.
#[allow(clippy::collapsible_if)]
if edits.len() == 1 {
let is_document_replacement = edits.first().and_then(|edit| {
let start = lsp_pos_to_pos(doc, edit.range.start, offset_encoding)?;
let end = lsp_pos_to_pos(doc, edit.range.end, offset_encoding)?;
Some(start..end)
}) == Some(0..doc.len_chars());
if is_document_replacement {
let new_text = Rope::from(edits.pop().unwrap().new_text);
return helix_core::diff::compare_ropes(doc, &new_text);
}
}
Transaction::change(
doc,
edits.into_iter().map(|edit| {