JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" placeholder="hello world">

CSS

@-webkit-keyframes search_types {
    from {width: 100%;}
    to {width:0px;}
}

::-webkit-input-placeholder {
    position: relative;
}
::-webkit-input-placeholder:before {
    content: "";
    position: absolute;
    background: #fff;
    width: 100%;
    height: 100%;
    right: 0;
    -webkit-animation: search_types 10s infinite linear;
}