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26 lines
787 B
JavaScript
26 lines
787 B
JavaScript
/**
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* Typed Object.entries that preserves key types
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* @template {Record<string, any>} T
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* @param {T} obj
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* @returns {[keyof T & string, T[keyof T & string]][]}
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*/
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export const entries = (obj) => /** @type {[keyof T & string, T[keyof T & string]][]} */ (Object.entries(obj));
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/**
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* Typed Object.fromEntries that preserves key/value types
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* @template {string} K
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* @template V
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* @param {Iterable<readonly [K, V]>} pairs
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* @returns {Record<K, V>}
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*/
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export const fromEntries = (pairs) => /** @type {Record<K, V>} */ (Object.fromEntries(pairs));
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/**
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* Type-safe includes that narrows the value type
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* @template T
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* @param {readonly T[]} arr
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* @param {unknown} value
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* @returns {value is T}
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*/
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export const includes = (arr, value) => arr.includes(/** @type {T} */ (value));
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