File size: 2,469 Bytes
f1dd159 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | const dateTimeFormatters = new Map<string, Intl.DateTimeFormat>();
const compactDateTimeFormatters = new Map<string, Intl.DateTimeFormat>();
const numberFormatters = new Map<string, Intl.NumberFormat>();
export function formatDateTime(value: string | null | undefined, locale: string): string {
if (!value) {
return "-";
}
const date = new Date(value);
if (Number.isNaN(date.getTime())) {
return "-";
}
let formatter = dateTimeFormatters.get(locale);
if (!formatter) {
formatter = new Intl.DateTimeFormat(locale, {
dateStyle: "medium",
timeStyle: "short",
});
dateTimeFormatters.set(locale, formatter);
}
return formatter.format(date);
}
export function formatCompactDateTime(value: string | null | undefined, locale: string): string {
if (!value) {
return "-";
}
const date = new Date(value);
if (Number.isNaN(date.getTime())) {
return "-";
}
let formatter = compactDateTimeFormatters.get(locale);
if (!formatter) {
formatter = new Intl.DateTimeFormat(locale, { year: "numeric", month: "2-digit", day: "2-digit", hour: "2-digit", minute: "2-digit", second: "2-digit", hourCycle: "h23" });
compactDateTimeFormatters.set(locale, formatter);
}
const parts = formatter.formatToParts(date);
return `${datePart(parts, "year")}/${datePart(parts, "month")}/${datePart(parts, "day")} ${datePart(parts, "hour")}:${datePart(parts, "minute")}:${datePart(parts, "second")}`;
}
function datePart(parts: Intl.DateTimeFormatPart[], type: Intl.DateTimeFormatPartTypes): string {
return parts.find((part) => part.type === type)?.value ?? "--";
}
export function formatNumber(value: number, locale: string, maximumFractionDigits = 2): string {
const key = `${locale}:${maximumFractionDigits}`;
let formatter = numberFormatters.get(key);
if (!formatter) {
formatter = new Intl.NumberFormat(locale, { maximumFractionDigits });
numberFormatters.set(key, formatter);
}
return formatter.format(value);
}
export function formatDuration(milliseconds: number): string {
if (milliseconds < 1000) {
return `${milliseconds} ms`;
}
return `${(milliseconds / 1000).toFixed(milliseconds < 10000 ? 2 : 1)} s`;
}
export function toDateTimeLocal(value: string | null | undefined): string {
if (!value) {
return "";
}
const date = new Date(value);
const offset = date.getTimezoneOffset() * 60_000;
return new Date(date.getTime() - offset).toISOString().slice(0, 19);
}
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