Disallows placeholder attribute on input elements.
The placeholder attribute should not be used as it has accessibility issues. Use proper labels instead.
Examples of incorrect code for this rule:
<template>
<input placeholder="Enter username" />
</template><template>
<input type="text" placeholder="Username" />
</template>Examples of correct code for this rule:
<template>
<label>
Username
<input type="text" />
</label>
</template><template>
<input type="text" aria-label="Username" />
</template>