Can I fetch the 'key' | 'anotherKey' type from this object?
interface MY_OBJECT_INTERFACE {
[key: string]: string
}
const MY_OBJECT: MY_OBJECT_INTERFACE = {
'key': 'key val',
'anotherKey': 'anotherKey val',
};
The expression "keyof typeof MY_OBJECT" is not working for me. Is there a different way to achieve this?
For more insights, you can refer to this related question: How to extract exact union type from object key strings in typescript?
Since MY_OBJECT_INTERFACE allows for any string to be used as a key, determining the type of keys is not possible. If the keys are always known, one could consider changing MY_OBJECT_INTERFACE as suggested by @LihnNguyen and addressing the related issue accordingly. However, it seems that's not the desired approach.
If the object is dynamic (as I assume it is), the only option available is to utilize Object.keys to obtain an array of keys to work with. While this provides no specific type information and only results in a string array, it appears to be the most effective solution TypeScript can offer in such scenarios.
Give this method a shot
definition MY_ITEM_INTERFACE {
identifier: string,
differentiator: string
}
const MY_ITEM<MY_ITEM_INTERFACE> = {
'identifier': 'ID value',
'differentiator': 'Diff value'
};
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