25 lines
492 B
JavaScript
25 lines
492 B
JavaScript
// @ts-check
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/**
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* Get a property if it's an "own" property, otherwise return `undefined`.
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*
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* @example
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* const obj = { foo: "bar" };
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*
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* obj.foo;
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* // => "bar"
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* obj.hasOwnProperty
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* // => [Function]
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*
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* getOwn(obj, "foo");
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* // => "bar"
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* getOwn(obj, "hasOwnProperty");
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* // => undefined
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*
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* @template {object} T
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* @param {T} obj
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* @param {keyof T} key
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* @returns {undefined | T[keyof T]}
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*/
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export default (obj, key) => Object.hasOwn(obj, key) ? obj[key] : undefined;
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