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import { getNamedFormat, filterProps, createError } from '../utils';
const RELATIVE_TIME_FORMAT_OPTIONS = [
'numeric',
'style',
];
function getFormatter({ locale, formats, onError, }, getRelativeTimeFormat, options = {}) {
const { format } = options;
const defaults = (!!format && getNamedFormat(formats, 'relative', format, onError)) || {};
const filteredOptions = filterProps(options, RELATIVE_TIME_FORMAT_OPTIONS, defaults);
return getRelativeTimeFormat(locale, filteredOptions);
}
export function formatRelativeTime(config, getRelativeTimeFormat, value, unit, options = {}) {
if (!unit) {
unit = 'second';
}
const RelativeTimeFormat = Intl.RelativeTimeFormat;
if (!RelativeTimeFormat) {
config.onError(createError(`Intl.RelativeTimeFormat is not available in this environment.
Try polyfilling it using "@formatjs/intl-relativetimeformat"
`));
}
try {
return getFormatter(config, getRelativeTimeFormat, options).format(value, unit);
}
catch (e) {
config.onError(createError('Error formatting relative time.', e));
}
return String(value);
}