MapEntries<MapToConvert>

MapEntries<MapToConvert> = MapToConvert extends Map<infer Key, infer Value> ? [Key, Value][] : never

Extracts the key and value types from a Map and converts them to an array of tuples.

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Type Parameters

MapToConvert: MapToConvert

The Map type to convert.

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Since

1.0.0

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Example

const userMap = new `Map<string, number>`([
  ["John", 25],
  ["Jane", 30]
]);

// `MapEntries<typeof userMap>` resolves to: [string, number][]
const entries: `MapEntries<typeof userMap>` = Array.from(userMap);

entries.forEach(([key, value]) => {
  // key is typed as string
  // value is typed as number
  console.log(`${key}: ${value}`);
});