how to conditionally bind a class in vuejs code example

Example 1: vue conditional class

<div :class="{ 'prop-name': boolVar }"></div>

Example 2: vue class binding if else

vue class binding if else
<div :class="{ 'prop-name': boolVar }"></div>
:class="darkMode ? 'dark-theme' : 'light-theme'"
If darkMode is true, we apply dark-theme as our class name. 
	Otherwise we choose light-theme.