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--
-- lsp-ext.lua
M = {}
function M.preview_location(location, context, before_context)
-- location may be LocationLink or Location (more useful for the former)
context = context or 15
before_context = before_context or 0
local uri = location.targetUri or location.uri
if uri == nil then
return
end
local bufnr = vim.uri_to_bufnr(uri)
if not vim.api.nvim_buf_is_loaded(bufnr) then
vim.fn.bufload(bufnr)
end
local range = location.targetRange or location.range
local contents =
vim.api.nvim_buf_get_lines(bufnr, range.start.line - before_context, range["end"].line + 1 + context, false)
local filetype = vim.api.nvim_buf_get_option(bufnr, "filetype")
return vim.lsp.util.open_floating_preview(contents, filetype)
end
function M.preview_location_callback(_, method, result)
local context = 15
if result == nil or vim.tbl_isempty(result) then
print("No location found: " .. method)
return nil
end
if vim.tbl_islist(result) then
M.floating_buf, M.floating_win = M.preview_location(result[1], context)
else
M.floating_buf, M.floating_win = M.preview_location(result, context)
end
end
function M.peek_definition()
if vim.tbl_contains(vim.api.nvim_list_wins(), M.floating_win) then
vim.api.nvim_set_current_win(M.floating_win)
else
local params = vim.lsp.util.make_position_params()
return vim.lsp.buf_request(0, "textDocument/definition", params, M.preview_location_callback)
end
end
return M
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