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yeonwooson wants to merge 2 commits into from
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state: share document updates and transaction management with WASI hosts #5455

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05782b3
state: share document updates and transaction management with WASI hosts
yeonwooson Oct 29, 2026
019934f
lsp: encapsulate open document contents and versions
yeonwooson Oct 29, 2026
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1 change: 0 additions & 1 deletion pyrefly/lib/lsp/non_wasm.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,6 @@ pub mod queue;
pub mod safe_delete_file;
pub mod server;
pub mod stdlib;
pub mod transaction_manager;
pub mod type_error_display_status;
pub mod type_hierarchy;
pub mod unsaved_file_tracker;
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47 changes: 0 additions & 47 deletions pyrefly/lib/lsp/non_wasm/lsp.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,10 +9,6 @@

use lsp_server::RequestId;
use lsp_server::ResponseError;
use lsp_types::TextDocumentContentChangeEvent;
use ruff_source_file::LineIndex;
use ruff_source_file::OneIndexed;
use ruff_source_file::SourceLocation;
use serde::de::DeserializeOwned;

use crate::lsp::non_wasm::protocol::Notification;
Expand Down Expand Up @@ -99,46 +95,3 @@ where
},
}
}

pub fn apply_change_events(original: &str, changes: Vec<TextDocumentContentChangeEvent>) -> String {
/// Convert lsp_types::Position to usize index for a given text.
fn position_to_usize(
position: lsp_types::Position,
index: &LineIndex,
source_text: &str,
) -> usize {
let source_location = SourceLocation {
line: OneIndexed::from_zero_indexed(position.line as usize),
character_offset: OneIndexed::from_zero_indexed(position.character as usize),
};
let text_size = index.offset(
source_location,
source_text,
ruff_source_file::PositionEncoding::Utf16,
);
text_size.to_usize()
}

let mut result = original.to_owned();
for change in changes {
let (range, text) = match change {
TextDocumentContentChangeEvent::TextDocumentContentChangePartial(partial) => {
(Some(partial.range), partial.text)
}
TextDocumentContentChangeEvent::TextDocumentContentChangeWholeDocument(whole) => {
(None, whole.text)
}
};
// If no range is given, we can full text replace.
match range {
None => result = text,
Some(range) => {
let index = LineIndex::from_source_text(&result);
let start = position_to_usize(range.start, &index, &result);
let end = position_to_usize(range.end, &index, &result);
result.replace_range(start..end, &text);
}
}
}
result
}
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