Function checkValidCode

client/fontello/models/_lib/codes_tracker.js:66–71

(code)

// Returns true if code is valid and not used.
//
function checkValidCode(code) {
  return code >= UNICODE_CODES_MIN &&
         code <= UNICODE_CODES_MAX &&
         (code < RESTRICTED_BLOCK_MIN || code > RESTRICTED_BLOCK_MAX) &&
         !RESTRICTED_SINGLE_CODES[code];
}


// Returns first available and valid code in the range.