vim9script

import autoload "tui/util/osinfo.vim"

export def GetFileSeparator(): string
    return osinfo.GetFileSeparator()
enddef

export def Normalize(path: string): string
    assert_true(!empty(path) && !empty(split(path)))

    const path_joined = join(filter(split(path, '[/\\]'), '!empty(split(v:val))'), GetFileSeparator())
    return expand(match(path, '^[/\\]') != -1 ? (GetFileSeparator() .. path_joined) : path_joined)
enddef

export def Join(parent: string, ...subs: list<string>): string
    assert_true(!empty(parent) && !empty(split(parent)))

    const path_joined = join(extend([parent], subs), GetFileSeparator())
    return Normalize(path_joined)
enddef