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local sep = (function()
---@diagnostic disable-next-line: undefined-global
if jit then
---@diagnostic disable-next-line: undefined-global
local os = string.lower(jit.os)
if os == "linux" or os == "osx" or os == "bsd" then
return "/"
else
return "\\"
end
else
return string.sub(package.config, 1, 1)
end
end)()
local M = {}
---@param path_components string[]
---@return string
function M.concat(path_components)
return table.concat(path_components, sep)
end
---@path root_path string
---@path path string
function M.is_subdirectory(root_path, path)
local root_path_normalized = vim.fs.normalize(root_path)
local path_normalized = vim.fs.normalize(path)
if path_normalized == root_path_normalized then
return true
end
for dir in vim.fs.parents(path_normalized) do
if root_path_normalized == dir then
return true
end
end
return false
end
local function find_closest_common_parent(from, to)
local distance = 0
for parent in vim.fs.parents(from) do
if to:find(parent, 1, true) then
return parent, distance
else
distance = distance + 1
end
end
return "/", distance
end
function M.relative(from, to)
local from_normalized = vim.fs.normalize(from)
local to_normalized = vim.fs.normalize(to)
local common_parent, distance = find_closest_common_parent(from_normalized, to_normalized)
local relative_path_component = distance == 0 and "." or (".."):rep(distance, "/")
return vim.fs.joinpath(relative_path_component, to_normalized:sub(#common_parent + 1))
end
return M
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