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--- @param item blink.cmp.CompletionItem
--- @return lsp.TextEdit undo_text_edit, integer[]? undo_cursor_pos The text edit to apply and the original cursor
--- position to move to when undoing the preview,
local function preview(item)
local text_edits_lib = require('blink.cmp.lib.text_edits')
local text_edit = text_edits_lib.get_from_item(item)
if item.insertTextFormat == vim.lsp.protocol.InsertTextFormat.Snippet then
local expanded_snippet = require('blink.cmp.sources.snippets.utils').safe_parse(text_edit.newText)
local snippet = expanded_snippet and tostring(expanded_snippet) or text_edit.newText
local get_prefix_before_brackets_and_quotes = require('blink.cmp.completion.accept.prefix')
text_edit.newText = get_prefix_before_brackets_and_quotes(snippet)
end
local undo_text_edit = text_edits_lib.get_undo_text_edit(text_edit)
local cursor_pos = {
text_edit.range.start.line + 1,
text_edit.range.start.character + #text_edit.newText,
}
text_edits_lib.apply({ text_edit })
local original_cursor = vim.api.nvim_win_get_cursor(0)
local cursor_moved = false
-- TODO: remove when text_edits_lib.apply begins setting cursor position
if vim.api.nvim_get_mode().mode ~= 'c' then
vim.api.nvim_win_set_cursor(0, cursor_pos)
cursor_moved = true
end
return undo_text_edit, cursor_moved and original_cursor or nil
end
return preview
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