TypeScript string literal arrays |

A useful trick when working with tokenised values is that you can generate an "immutable tuple" within a "const context" (computer science gibberish overload 😂) and reference that. So if you have a set of frequently used values, you can export them and reuse them across multiple type definitions:

export const taxonomy = ['kingdom', 'phylum', 'family', 'genus', 'species'] as const;

type Animal = typeof taxonomy[number];

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  • A useful trick when working with tokenised values is that you can generate an "immutable tuple" within a "const context" (computer science gibberish overload 😂) and reference that. So if you have […]
  • Murray Adcock.
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