d2l-intl/src/number/validate-format-options.js

D2L internationalization APIs for number, date and time formatting and parsing.

import validateInteger from '../util/validate-integer.js';

export default function validateFormatOptions(options) {

	options = options || {};

	if (options.style !== 'decimal' && options.style !== 'percent') {
		options.style = 'decimal';
	}
	options.minimumFractionDigits = validateInteger(
		'minimumFractionDigits',
		options.minimumFractionDigits,
		0,
		0,
		20
	);
	options.maximumFractionDigits = validateInteger(
		'maximumFractionDigits',
		options.maximumFractionDigits,
		Math.max(options.minimumFractionDigits, 3),
		0,
		20
	);

	if (options.minimumFractionDigits > options.maximumFractionDigits) {
		throw new RangeError('maximumFractionDigits value is out of range.');
	}

	return options;

}