45 lines
1.3 KiB
Lua
45 lines
1.3 KiB
Lua
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function open_doc_in_vsplit()
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local word = vim.fn.expand("<cword>")
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if word == "" then
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vim.notify("No word under cursor", vim.log.levels.INFO)
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return
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end
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-- Try to get LSP hover documentation
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local params = vim.lsp.util.make_position_params()
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local results = vim.lsp.buf_request_sync(0, "textDocument/hover", params, 1000) or {}
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local doc_lines = nil
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for _, res in pairs(results) do
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local contents = res.result and res.result.contents
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if contents then
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doc_lines = vim.lsp.util.convert_input_to_markdown_lines(contents)
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doc_lines = vim.lsp.util.trim_empty_lines(doc_lines)
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if #doc_lines > 0 then
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break
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end
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end
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end
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if doc_lines and #doc_lines > 0 then
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-- Open a new vertical split for LSP hover documentation
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vim.cmd("vnew")
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local bufnr = vim.api.nvim_get_current_buf()
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-- Set the buffer to unmodifiable scratch buffer
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, doc_lines)
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vim.bo[bufnr].modifiable = false
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vim.bo[bufnr].bufhidden = "wipe"
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vim.bo[bufnr].filetype = "markdown"
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return
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end
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-- Fallback to vim help command
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local help_cmd = "vertical help " .. word
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local ok, _ = pcall(vim.cmd, help_cmd)
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if not ok then
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vim.notify("No documentation available for '" .. word .. "'", vim.log.levels.INFO)
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end
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end
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return open_doc_in_vsplit
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