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Last change
on this file was a762898, checked in by istevanoska <ilinastevanoska@…>, 5 months ago |
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Added visualizations
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File size:
1.2 KB
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| [a762898] | 1 | /**
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| 2 | * Returns the length of an array, string, or object.
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| 3 | *
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| 4 | * This function takes an array, string, or object and returns its length.
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| 5 | * For arrays and strings, it returns the number of elements or characters, respectively.
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| 6 | * For objects, it returns the number of enumerable properties.
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| 7 | *
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| 8 | * @template T - The type of the input value.
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| 9 | * @param {T[] | object | string | Map<unknown, T> | Set<T> | null | undefined } target - The value whose size is to be determined. It can be an array, string, or object.
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| 10 | * @returns {number} The size of the input value.
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| 11 | *
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| 12 | * @example
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| 13 | * const arr = [1, 2, 3];
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| 14 | * const arrSize = size(arr);
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| 15 | * // arrSize will be 3
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| 16 | *
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| 17 | * const str = 'hello';
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| 18 | * const strSize = size(str);
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| 19 | * // strSize will be 5
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| 20 | *
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| 21 | * const obj = { a: 1, b: 2, c: 3 };
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| 22 | * const objSize = size(obj);
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| 23 | * // objSize will be 3
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| 24 | *
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| 25 | * const emptyArr = [];
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| 26 | * const emptyArrSize = size(emptyArr);
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| 27 | * // emptyArrSize will be 0
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| 28 | *
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| 29 | * const emptyStr = '';
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| 30 | * const emptyStrSize = size(emptyStr);
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| 31 | * // emptyStrSize will be 0
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| 32 | *
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| 33 | * const emptyObj = {};
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| 34 | * const emptyObjSize = size(emptyObj);
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| 35 | * // emptyObjSize will be 0
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| 36 | */
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| 37 | declare function size(collection: object | string | null | undefined): number;
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| 38 |
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| 39 | export { size };
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