Function includesInvalidHttpHeaderChar

src/string.ts:120–132

(val: string)

 * Detect invalid http header characters in a string
 */
export function includesInvalidHttpHeaderChar(val: string) {
  if (!val || typeof val !== 'string') {
    return false;
  }

  for (let i = 0; i < val.length; ++i) {
    if (!validHdrChars[val.charCodeAt(i)]) {
      return true;
    }
  }

  return false;
}