Function handleZeroValue

src/helpers.js:68–126

(
	precision,
	actualStandard,
	bits,
	symbols,
	full,
	fullforms,
	output,
	spacer,
	symbol,
)

 * @returns {string|Array|Object|number} Formatted result
 */
export function handleZeroValue(
	precision,
	actualStandard,
	bits,
	symbols,
	full,
	fullforms,
	output,
	spacer,
	symbol,
) {
	let value;
	if (precision > 0) {
		value = (0).toPrecision(precision);
	} else {
		value = 0;
	}

	if (output === EXPONENT) {
		return 0;
	}

	// Set default symbol if not provided
	if (!symbol) {
		symbol = bits
			? STRINGS.symbol[actualStandard].bits[0]
			: STRINGS.symbol[actualStandard].bytes[0];
	}

	// Apply symbol customization
	if (symbols[symbol]) {
		symbol = symbols[symbol];
	}

	// Apply full form
	if (full) {
		if (fullforms[0]) {
			symbol = fullforms[0];
		} else {
			symbol = STRINGS.fullform[actualStandard][0];
			if (bits) {
				symbol += BIT;
			} else {
				symbol += BYTE;
			}
		}
	}

	// Return in requested format
	if (output === ARRAY) {
		return [value, symbol];
	}

	if (output === OBJECT) {
		return { value, symbol, exponent: 0, unit: symbol };
	}

	return value + spacer + symbol;