dist/vue.esm.browser.js
function checkKeyCodes (
  eventKeyCode,
  key,
  builtInKeyCode,
  eventKeyName,
  builtInKeyName
) {
  const mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
  if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
    return isKeyNotMatch(builtInKeyName, eventKeyName)
  } else if (mappedKeyCode) {
    return isKeyNotMatch(mappedKeyCode, eventKeyCode)
  } else if (eventKeyName) {
    return hyphenate(eventKeyName) !== key
  }
}
function checkKeyCodes (
  eventKeyCode,
  key,
  builtInKeyCode,
  eventKeyName,
  builtInKeyName
) {
  const mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
  if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
    return isKeyNotMatch(builtInKeyName, eventKeyName)
  } else if (mappedKeyCode) {
    return isKeyNotMatch(mappedKeyCode, eventKeyCode)
  } else if (eventKeyName) {
    return hyphenate(eventKeyName) !== key
  }
}
function checkKeyCodes ( eventKeyCode , key , builtInKeyCode , eventKeyName , builtInKeyName ) { const mappedKeyCode = config . keyCodes [ key ] || builtInKeyCode ; if ( builtInKeyName && eventKeyName && ! config . keyCodes [ key ] ) { return isKeyNotMatch ( builtInKeyName , eventKeyName ) } else if ( mappedKeyCode ) { return isKeyNotMatch ( mappedKeyCode , eventKeyCode ) } else if ( eventKeyName ) { return hyphenate ( eventKeyName ) !== key } }
Runtime helper for checking keyCodes from config.
exposed as Vue.prototype._k
passing in eventKeyName as last argument separately for backwards compat
Runtime helper for checking keyCodes from config . exposed as Vue . prototype . _k passing in eventKeyName as last argument separately for backwards compat