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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = relativeDateFactory;
var calculateDelta = function calculateDelta(now, date) {
return Math.round(Math.abs(now - date) / 1000);
};
function relativeDateFactory(translations) {
return function relativeDate(date) {
var now = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : new Date();
if (!(date instanceof Date)) {
date = new Date(date);
}
var delta = null;
var minute = 60;
var hour = minute * 60;
var day = hour * 24;
var week = day * 7;
var month = day * 30;
var year = day * 365;
delta = calculateDelta(now, date);
if (delta > day && delta < week) {
date = new Date(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);
delta = calculateDelta(now, date);
}
var translate = function translate(translatePhrase, timeValue) {
var key = void 0;
if (translatePhrase === 'justNow') {
key = translatePhrase;
} else if (now >= date) {
key = translatePhrase + 'Ago';
} else {
key = translatePhrase + 'FromNow';
}
var translation = translations[key];
if (typeof translation === 'function') {
return translation(timeValue);
}
return translation.replace('{{time}}', timeValue);
};
switch (false) {
case !(delta < 30):
return translate('justNow');
case !(delta < minute):
return translate('seconds', delta);
case !(delta < 2 * minute):
return translate('aMinute');
case !(delta < hour):
return translate('minutes', Math.floor(delta / minute));
case Math.floor(delta / hour) !== 1:
return translate('anHour');
case !(delta < day):
return translate('hours', Math.floor(delta / hour));
case !(delta < day * 2):
return translate('aDay');
case !(delta < week):
return translate('days', Math.floor(delta / day));
case Math.floor(delta / week) !== 1:
return translate('aWeek');
case !(delta < month):
return translate('weeks', Math.floor(delta / week));
case Math.floor(delta / month) !== 1:
return translate('aMonth');
case !(delta < year):
return translate('months', Math.floor(delta / month));
case Math.floor(delta / year) !== 1:
return translate('aYear');
default:
return translate('overAYear');
}
};
}
module.exports = exports['default'];
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