TypeScript

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• satisfies https://123davidbill.medium.com/typescript-%E6%96%B0%E8%AA%9E%E6%B3%95-satisfies-28f36b4fdfc2
• union types https://pjchender.dev/typescript/ts-unions-intersections/ https://www.typescriptlang.org/docs/handbook/unions-and-intersections.html
• Pick https://pjchender.dev/ironman-2021/ironman-2021-day17/ https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys
• Tuples https://blog.logrocket.com/exploring-use-cases-typescript-tuples/

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Type assertion

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export type ChannelDataAnother = Omit<ChannelData, 'db'> & { db_id: number } ChannelDataAnother 是一個擴展自 ChannelData 的型別，它去除了 ChannelData 中的 db 屬性，同時新增了一個 db_id 屬性，使得最終型別包含所有原型別屬性以及新的 db_id 屬性。