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fix(lsp): handle insertion of previous line (#17618)

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This commit is contained in:
Michael Lingelbach
2022-03-06 07:52:11 -08:00
committed by GitHub
parent 24d56116f7
commit 3800615da9
2 changed files with 30 additions and 3 deletions
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14
runtime/lua/vim/lsp/sync.lua
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@ -138,10 +138,18 @@ local function compute_start_range(prev_lines, curr_lines, firstline, lastline,
-- new lines(O), the new newline is inserted at the line indicated by
-- new_lastline.
if firstline == lastline then
local line_idx
local line = prev_lines[firstline - 1]
byte_idx = #line + 1
char_idx = compute_line_length(line, offset_encoding) + 1
return { line_idx = firstline - 1, byte_idx = byte_idx, char_idx = char_idx }
if line then
line_idx = firstline - 1
byte_idx = #line + 1
char_idx = compute_line_length(line, offset_encoding) + 1
else
line_idx = firstline
byte_idx = 1
char_idx = 1
end
return { line_idx = line_idx, byte_idx = byte_idx, char_idx = char_idx }
end
-- If firstline == new_lastline, the first change occurred on a line that was deleted.