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Tymek/indexed.ts

Last active September 16, 2024 19:15
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TS type with indexed object and version property
Raw
indexed.ts
// TypeScript type for an object with 1 property that is required but different then other properties
type Todo = { id: string; text: string; done: boolean }
type Table = Array<Record<string, unknown>>
type Schema = (
| {
[key: string]: Table
}
| {
version: number
}
) &
Required<{ version: number }>
const doc: Schema = {
version: 1, // enforce that it is defined
todos: [] as Todo[], // other properties
}
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