hakorune/apps/tests/esc_dirname_smoke.hako

// esc_dirname_smoke.hako — minimal smoke for esc_json/dirname and println

static box Main {
  esc_json(s) {
    // very small escaper: replace \ and "
    local out = ""
    local i = 0
    local n = s.length()
    loop(i < n) {
      local ch = s.substring(i, i+1)
      if ch == "\\" { out = out + "\\\\" } else {
        if ch == "\"" { out = out + "\\\"" } else { out = out + ch }
      }
      i = i + 1
    }
    return out
  }

  dirname(path) {
    // simple pure string dirname: lastIndexOf('/')
    local i = path.lastIndexOf("/")
    if i < 0 { return "." }
    return path.substring(0, i)
  }

  main(args) {
    local console = new ConsoleBox()
    // Test escaping (A\"B\\C)
    local t1 = me.esc_json("A\\\"B\\\\C")
    console.println(t1)
    // Test dirname
    local t2 = me.dirname("dir1/dir2/file.txt")
    console.println(t2)
    return 0
  }
}