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import {prettyNumber} from '../utils.js';
const {lang} = document.documentElement;
const dateFormatter = new Intl.DateTimeFormat(lang, {year: 'numeric', month: 'long', day: 'numeric'});
const shortDateFormatter = new Intl.DateTimeFormat(lang, {year: 'numeric', month: 'short', day: 'numeric'});
const dateTimeFormatter = new Intl.DateTimeFormat(lang, {year: 'numeric', month: 'short', day: 'numeric', hour: 'numeric', minute: 'numeric', second: 'numeric'});
export function initFormattingReplacements() {
// replace english formatted numbers with locale-specific separators
for (const el of document.getElementsByClassName('js-pretty-number')) {
const num = Number(el.getAttribute('data-value'));
const formatted = prettyNumber(num, lang);
if (formatted && formatted !== el.textContent) {
el.textContent = formatted;
}
}
// for each <time></time> tag, if it has the data-format attribute, format
// the text according to the user's chosen locale and formatter.
formatAllTimeElements();
}
function formatAllTimeElements() {
const timeElements = document.querySelectorAll('time[data-format]');
for (const timeElement of timeElements) {
const formatter = getFormatter(timeElement.dataset.format);
timeElement.textContent = formatter.format(new Date(timeElement.dateTime));
}
}
function getFormatter(format) {
switch (format) {
case 'date':
return dateFormatter;
case 'short-date':
return shortDateFormatter;
case 'date-time':
return dateTimeFormatter;
default:
throw new Error('Unknown format');
}
}
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