spacevim/bundle/nvim-treesitter-0.9.1/lua/nvim-treesitter/statusline.lua
JIe 2bb7059579
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init
2024-08-21 14:17:26 +08:00

54 lines
1.4 KiB
Lua

local parsers = require "nvim-treesitter.parsers"
local ts_utils = require "nvim-treesitter.ts_utils"
local M = {}
-- Trim spaces and opening brackets from end
local transform_line = function(line)
return line:gsub("%s*[%[%(%{]*%s*$", "")
end
function M.statusline(opts)
if not parsers.has_parser() then
return
end
local options = opts or {}
if type(opts) == "number" then
options = { indicator_size = opts }
end
local bufnr = options.bufnr or 0
local indicator_size = options.indicator_size or 100
local type_patterns = options.type_patterns or { "class", "function", "method" }
local transform_fn = options.transform_fn or transform_line
local separator = options.separator or " -> "
local allow_duplicates = options.allow_duplicates or false
local current_node = ts_utils.get_node_at_cursor()
if not current_node then
return ""
end
local lines = {}
local expr = current_node
while expr do
local line = ts_utils._get_line_for_node(expr, type_patterns, transform_fn, bufnr)
if line ~= "" then
if allow_duplicates or not vim.tbl_contains(lines, line) then
table.insert(lines, 1, line)
end
end
expr = expr:parent()
end
local text = table.concat(lines, separator)
local text_len = #text
if text_len > indicator_size then
return "..." .. text:sub(text_len - indicator_size, text_len)
end
return text
end
return M