Is there a way for me to specify the type of a filename field in my object? The file name will consist of a string representing the name of the uploaded file along with its extension.
For instance:
{
icon: "my_icon.svg"
}
I am looking for a method to make sure that all filenames end with ".svg". Currently, my attempt at this is not successful. Here's what I have tried so far:
{
icon: string & ".svg"
}
One approach to achieve this is by utilizing template literals:
let path: `${string}.svg`;
path = 'example'; // Error: Type '"example"' is not compatible with type '`${string}.svg`'.
path = 'image.svg'; // This assignment is valid
define type DocumentName = `${string}.svg` | `${string}.txt`
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