File
Check if the input value is a file.
The validation rule requires a value to run.
Example
src/app/posts/controllers/create-post.ts
// ...
createPost.validation = {
rules: {
title: ["required"],
image: ["required", "file"],
},
};
It works also if the input is an array of files:
src/app/posts/controllers/create-post.ts
// ...
createPost.validation = {
rules: {
title: ["required"],
images: ["required", "file"],
},
};