size

Returns the size of the given value. The size is determined by the type of the value:

• For strings, returns the number of characters.
• For arrays, NodeList, and HTMLCollection, returns the number of elements.
• For Set and Map, returns the number of items.
• For plain objects, returns the number of own enumerable properties.
• Other types such as numbers, WeakMap, WeakSet are not allowed.

Code

🔗 View source code

Benchmark

• hz: operations per second
• mean: average response time (ms)

Name	hz	mean	Performance
modern-kit/size	868,075.34	0.0012	fastest
lodash/size	232,384.63	0.0043	slowest

• modern-kit/size
  • 3.74x faster than lodash/size

Interface

typescript

function size(value: string | Record<PropertyKey, any>): number

Usage

typescript

import { size } from '@modern-kit/utils';

size('12345'); // 5

size([1, 2, 3, 4, 5]); // 5

size(new Set([1, 2, 3, 4, 5])); // 5

size({ a: 1, b: 2, c: 3, d: 4, e: 5 }); // 5