Regarding the type with possible value of action
type PersistentAction = 'park' | 'retry' | 'skip' | 'stop'
I would like to create an enum that corresponds to these actions
enum PersistentActions {
PARK = 'park' ,
RETRY = 'retry',
SKIP = 'skip',
STOP = 'stop',
}
Is there a way to restrict the enum values to match the PersistentAction type?
Could it be possible that an enum is not the right choice for this scenario?
Enums are limited to storing static values.
Instead of enums, consider using constant objects.
It's important to note that this method only works in TypeScript versions >=4.1
type PersistentAction = 'park' | 'retry' | 'skip' | 'stop'
type Actions = {
readonly [P in PersistentAction as `${uppercase P}`]:P
}
const persistentActions: Actions = {
PARK : 'park',
RETRY : 'retry',
SKIP : 'skip',
STOP : 'stop',
} as const
If you're unable to use TS 4.1, consider the following alternative solution:
type Actions = {
readonly [P in PersistentAction]: P
}
const persistentActions: Actions = {
park: 'park',
retry: 'retry',
skip: 'skip',
stop: 'stop',
} as const
Keep in mind, the keys should be lowercase in the second approach mentioned above.
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