Function getEventCharCode

docs/lib/react.js:16571–16594

* `charCode` represents the actual "character code" and is safe to use with * `String.fromCharCode`. As such, only keys that correspond to printable * characters produce a valid `charCode`, the only exception to this is Enter. * The Tab-key is considered non-printable and does not have a `charCod

(nativeEvent)

 */

function getEventCharCode(nativeEvent) {
  var charCode;
  var keyCode = nativeEvent.keyCode;

  if ('charCode' in nativeEvent) {
    charCode = nativeEvent.charCode;

    // FF does not set `charCode` for the Enter-key, check against `keyCode`.
    if (charCode === 0 && keyCode === 13) {
      charCode = 13;
    }
  } else {
    // IE8 does not implement `charCode`, but `keyCode` has the correct value.
    charCode = keyCode;
  }

  // Some non-printable keys are reported in `charCode`/`keyCode`, discard them.
  // Must not discard the (non-)printable Enter-key.
  if (charCode >= 32 || charCode === 13) {
    return charCode;
  }

  return 0;
}

module.exports = getEventCharCode;
},{}],122:[function(_dereq_,module,exports){