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