export function validateGeneralInput()

in source/console/src/util/CustomUtil.tsx [81:111]

• 26 lines of code
• 18 McCabe index (conditional complexity)

export function validateGeneralInput(input: string, minLength: number, maxLength: number, allowedSpecialCharacters: string): boolean {
  if (input === '' && minLength === 0) { return true; }

  // Due to supporting multi-languages since v2.1, removed alphanumeric validation.
  if (input.length > maxLength || input.length < minLength || input.trimLeft().trimRight() === '') {
    return false;
  }

  let allowedSpecialCharactersCode: number[] = [];
  for (let i = 0, length = allowedSpecialCharacters.length; i < length; i++) {
    allowedSpecialCharactersCode.push(allowedSpecialCharacters.charCodeAt(i));
  }

  if (allowedSpecialCharactersCode.length > 0) {
    for (let i = 0, length = input.length; i < length; i++) {
      let ch = input.charCodeAt(i);
      if (
        (ch >= 32 && ch <= 47) || // [space] to "/"
        (ch >= 58 && ch <= 64) || // ":" to "@"
        (ch >= 91 && ch <= 96) || // "[" to "`"
        (ch >= 123 && ch <= 127) // "{" to the end of ASCII
      ) {
        if (!allowedSpecialCharactersCode.includes(ch)) {
          return false;
        }
      }
    }
  }

  return true;
}