34 lines
1 KiB
Lua
34 lines
1 KiB
Lua
local M = {}
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---Check whether file/directory exists.
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---@param path string: file or directory path.
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---@return string|boolean: type if path exists, false otherwise.
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M.exists = function(path)
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---@diagnostic disable-next-line: undefined-field
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local stat = vim.uv.fs_stat(path)
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return (stat and stat.type) or false
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end
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---Preserve register contents over function call.
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---@param reg string: register to save, must be a valid register name.
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---@param func function: function that may freely clobber the register.
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---@return any: return value of calling `func`.
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M.preserve_register = function(reg, func)
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local saved = vim.fn.getreg(reg)
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local result = func()
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vim.fn.setreg(reg, saved)
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return result
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end
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---Get selected text.
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---@return string: selected text, or word under cursor if not in visual mode.
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M.get_selected_text = function()
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if vim.fn.mode() ~= "v" then return vim.fn.expand("<cword>") end
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return M.preserve_register("v", function()
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vim.cmd([[noautocmd sil norm "vy]])
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return vim.fn.getreg("v")
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end)
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end
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return M
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