Function filesize

src/filesize.js:50–188

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

 * filesize(1024, {output: "object"}) // {value: 1.02, symbol: "kB", exponent: 1, unit: "kB"}
 */
export function filesize(
	arg,
	{
		bits = false,
		pad = false,
		base = -1,
		round = 2,
		locale = EMPTY,
		localeOptions = {},
		separator = EMPTY,
		spacer = SPACE,
		symbols = {},
		standard = EMPTY,
		output = STRING,
		fullform = false,
		fullforms = [],
		exponent = -1,
		roundingMethod = ROUND,
		precision = 0,
	} = {},
) {
	let e = exponent,
		num,
		result = [],
		val = 0,
		u = EMPTY;

	if (typeof arg === "bigint") {
		num = Number(arg);
	} else {
		num = Number(arg);

		if (isNaN(num)) {
			throw new TypeError(INVALID_NUMBER);
		}

		if (!isFinite(num)) {
			throw new TypeError(INVALID_NUMBER);
		}
	}

	const { isDecimal, ceil, actualStandard } = getBaseConfiguration(standard, base);

	const full = fullform === true,
		neg = num < 0,
		roundingFunc = Math[roundingMethod];

	if (typeof roundingFunc !== FUNCTION) {
		throw new TypeError(INVALID_ROUND);
	}

	if (neg) {
		num = -num;
	}

	if (num === 0) {
		return handleZeroValue(
			precision,