Function partial

src/filesize.js:216–273

({
	bits = false,
	pad = false,
	base = -1,
	round = 2,
	locale = EMPTY,
	separator = EMPTY,
	spacer = SPACE,
	standard = EMPTY,
	output = STRING,
	fullform = false,
	exponent = -1,
	roundingMethod = ROUND,
	precision = 0,
	localeOptions = {},
	symbols = {},
	fullforms = [],
} = {})

 * formatBytes(1536) // "1.5 KiB"
 */
export function partial({
	bits = false,
	pad = false,
	base = -1,
	round = 2,
	locale = EMPTY,
	separator = EMPTY,
	spacer = SPACE,
	standard = EMPTY,
	output = STRING,
	fullform = false,
	exponent = -1,
	roundingMethod = ROUND,
	precision = 0,
	localeOptions = {},
	symbols = {},
	fullforms = [],
} = {}) {
	/**
	 * Safely clone an object using structuredClone with JSON fallback.
	 * structuredClone can throw for functions, circular refs, etc.
	 */
	function safeClone(value) {
		try {
			return typeof structuredClone === "function"
				? structuredClone(value)
				: JSON.parse(JSON.stringify(value));
		} catch {
			return JSON.parse(JSON.stringify(value));
		}
	}

	const cloned = {
		localeOptions: safeClone(localeOptions),
		symbols: safeClone(symbols),
		fullforms: safeClone(fullforms),
	};

	return (arg) =>
		filesize(arg, {
			bits,
			pad,
			base,
			round,
			locale,
			localeOptions: cloned.localeOptions,
			separator,
			spacer,
			symbols: cloned.symbols,
			standard,
			output,
			fullform,
			fullforms: cloned.fullforms,
			exponent,
			roundingMethod,
			precision,
		});
}