100 lines
2.6 KiB
Lua
100 lines
2.6 KiB
Lua
local log = require("nvim-tree.log")
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local utils = require("nvim-tree.utils")
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local Watcher = require("nvim-tree.watcher").Watcher
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local M = {
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config = {},
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uid = 0,
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}
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---@param path string
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---@return boolean
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local function is_git(path)
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-- If $GIT_DIR is set, consider its value to be equivalent to '.git'.
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-- Expand $GIT_DIR (and `path`) to a full path (see :help filename-modifiers), since
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-- it's possible to set it to a relative path. We want to make our best
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-- effort to expand that to a valid absolute path.
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if vim.fn.fnamemodify(path, ":p") == vim.fn.fnamemodify(vim.env.GIT_DIR, ":p") then
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return true
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elseif vim.fn.fnamemodify(path, ":t") == ".git" then
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return true
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else
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return false
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end
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end
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local IGNORED_PATHS = {
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-- disable watchers on kernel filesystems
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-- which have a lot of unwanted events
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"/sys",
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"/proc",
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"/dev",
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}
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---@param path string
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---@return boolean
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local function is_folder_ignored(path)
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for _, folder in ipairs(IGNORED_PATHS) do
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if vim.startswith(path, folder) then
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return true
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end
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end
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if type(M.config.filesystem_watchers.ignore_dirs) == "table" then
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for _, ignore_dir in ipairs(M.config.filesystem_watchers.ignore_dirs) do
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if vim.fn.match(path, ignore_dir) ~= -1 then
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return true
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end
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end
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elseif type(M.config.filesystem_watchers.ignore_dirs) == "function" then
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return M.config.filesystem_watchers.ignore_dirs(path)
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end
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return false
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end
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---@param node Node
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---@return Watcher|nil
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function M.create_watcher(node)
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if not M.config.filesystem_watchers.enable or type(node) ~= "table" then
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return nil
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end
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local path = node.link_to or node.absolute_path
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if is_git(path) or is_folder_ignored(path) then
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return nil
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end
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local function callback(watcher)
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log.line("watcher", "node event scheduled refresh %s", watcher.context)
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utils.debounce(watcher.context, M.config.filesystem_watchers.debounce_delay, function()
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if watcher.destroyed then
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return
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end
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if node.link_to then
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log.line("watcher", "node event executing refresh '%s' -> '%s'", node.link_to, node.absolute_path)
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else
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log.line("watcher", "node event executing refresh '%s'", node.absolute_path)
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end
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local explorer = require("nvim-tree.core").get_explorer()
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if explorer then
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explorer:refresh_node(node, function()
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explorer.renderer:draw()
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end)
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end
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end)
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end
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M.uid = M.uid + 1
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return Watcher:new(path, nil, callback, {
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context = "explorer:watch:" .. path .. ":" .. M.uid,
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})
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end
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function M.setup(opts)
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M.config.filesystem_watchers = opts.filesystem_watchers
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M.uid = 0
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end
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return M
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