nim-json-serialization/tests/utils.nim

# json-serialization
# Copyright (c) 2019-2023 Status Research & Development GmbH
# Licensed under either of
#  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
#  * MIT license ([LICENSE-MIT](LICENSE-MIT))
# at your option.
# This file may not be copied, modified, or distributed except according to
# those terms.

import
  strutils

# `dedent` exists in newer Nim version and doesn't behave the same
func test_dedent*(s: string): string =
  var
    s = s.strip(leading = false)
    minIndent = high(int)
  for l in s.splitLines:
    let indent = count(l, ' ')
    if indent == 0: continue
    if indent < minIndent: minIndent = indent
  s.unindent(minIndent)