39 lines
1.6 KiB
JavaScript
39 lines
1.6 KiB
JavaScript
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import { maxBy as maxBy$1 } from "../../array/maxBy.mjs";
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import { identity } from "../../function/identity.mjs";
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import { iteratee } from "../util/iteratee.mjs";
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//#region src/compat/math/maxBy.ts
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/**
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* Finds the element in an array that has the maximum value when applying
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* the `iteratee` to each element.
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*
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* @template T - The type of elements in the array.
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* @param {ArrayLike<T> | null | undefined} items The array of elements to search.
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* @param {ValueIteratee<T>} iteratee
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* The criteria used to determine the maximum value.
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* - If a **function** is provided, it extracts a numeric value from each element.
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* - If a **string** is provided, it is treated as a key to extract values from the objects.
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* - If a **[key, value]** pair is provided, it matches elements with the specified key-value pair.
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* - If an **object** is provided, it matches elements that contain the specified properties.
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* @returns {T | undefined} The element with the maximum value as determined by the `iteratee`.
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* @example
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* maxBy([{ a: 1 }, { a: 2 }, { a: 3 }], x => x.a); // Returns: { a: 3 }
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* maxBy([], x => x.a); // Returns: undefined
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* maxBy(
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* [
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* { name: 'john', age: 30 },
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* { name: 'jane', age: 28 },
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* { name: 'joe', age: 26 },
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* ],
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* x => x.age
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* ); // Returns: { name: 'john', age: 30 }
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* maxBy([{ a: 1 }, { a: 2 }], 'a'); // Returns: { a: 2 }
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* maxBy([{ a: 1 }, { a: 2 }], ['a', 1]); // Returns: { a: 1 }
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* maxBy([{ a: 1 }, { a: 2 }], { a: 1 }); // Returns: { a: 1 }
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*/
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function maxBy(items, iteratee$1) {
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if (items == null) return;
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return maxBy$1(Array.from(items), iteratee(iteratee$1 ?? identity));
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}
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//#endregion
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export { maxBy };
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