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alxpsr/Infer.ts

Created November 14, 2022 18:14
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Infer.ts
const User = {
id: 123,
username: 'John',
email: 'john@mail.com',
addons: [
{ name: 'First addon', id: 1 },
{ name: 'Second addon', id: 2 }
]
}
type UnpackArray<T> = T extends (infer R)[] ? R : T
type AddonType = UnpackArray<typeof User.addons> // { name: string, id: number }
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