82 lines
2.2 KiB
TypeScript
82 lines
2.2 KiB
TypeScript
const defaultLocaleStringFormats: { [index: string]: string } = {
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weekday: "narrow",
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era: "narrow",
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year: "numeric",
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month: "numeric",
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day: "numeric",
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hour: "numeric",
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minute: "numeric",
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second: "numeric",
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timeZoneName: "short",
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};
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function formatLocaleString(date: Date, format: string): string {
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return format.replace(
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/\{\{(\w+)(:(\w+))?\}\}/g,
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(match: string, kind: string, unused?, option?: string) => {
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if (
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[
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"weekday",
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"era",
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"year",
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"month",
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"day",
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"hour",
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"minute",
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"second",
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"timeZoneName",
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].includes(kind)
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) {
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return date.toLocaleString(window.navigator.language, {
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[kind]: option ? option : defaultLocaleStringFormats[kind],
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});
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} else {
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return match;
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}
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},
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);
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}
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export function formatDateTimeString(date: Date, format: string): string {
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return format
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.replace(/yyyy/g, date.getFullYear().toString())
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.replace(/yy/g, date.getFullYear().toString().slice(-2))
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.replace(
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/MMMM/g,
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date.toLocaleString(window.navigator.language, { month: "long" }),
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)
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.replace(
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/MMM/g,
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date.toLocaleString(window.navigator.language, { month: "short" }),
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)
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.replace(/MM/g, `0${date.getMonth() + 1}`.slice(-2))
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.replace(/M/g, (date.getMonth() + 1).toString())
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.replace(/dd/g, `0${date.getDate()}`.slice(-2))
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.replace(/d/g, date.getDate().toString())
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.replace(/HH/g, `0${date.getHours()}`.slice(-2))
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.replace(/H/g, date.getHours().toString())
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.replace(/hh/g, `0${date.getHours() % 12 || 12}`.slice(-2))
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.replace(/h/g, (date.getHours() % 12 || 12).toString())
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.replace(/mm/g, `0${date.getMinutes()}`.slice(-2))
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.replace(/m/g, date.getMinutes().toString())
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.replace(/ss/g, `0${date.getSeconds()}`.slice(-2))
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.replace(/s/g, date.getSeconds().toString())
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.replace(/tt/g, date.getHours() >= 12 ? "PM" : "AM");
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}
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export function formatTimeString(date: Date, format: string): string {
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return format.replace(
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/\[(([^\[]|\[\])*)\]|(([yMdHhmst])\4{0,3})/g,
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(
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match: string,
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localeformat?: string,
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unused?,
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datetimeformat?: string,
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) => {
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if (localeformat) return formatLocaleString(date, localeformat);
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if (datetimeformat) return formatDateTimeString(date, datetimeformat);
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return match;
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},
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);
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}
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