Define a list of optional keys for Typescript Record

Mobile Star answered on June 17, 2022 Popularity 7/10 Helpfulness 6/10

answer Define a list of optional keys for Typescript Record

Define a list of optional keys for Typescript Record

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type YourUnion = 'a' | 'b' | 'c';   
type ObjectWithOptionalKeys = Partial<Record<YourUnion, string>>
const someObject: ObjectWithOptionalKeys {
  a: 'str', // works
  b: 1 // throws
}
// c may not be specified at all

Popularity 7/10 Helpfulness 6/10 Language typescript

Source: stackoverflow.com

Tags: list record typescript

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Contributed on Jun 17 2022

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Define a list of optional keys for Typescript Record

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Define a list of optional keys for Typescript Record

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