Files
outline/app/components/LocaleTime.tsx
2021-12-11 12:48:32 -08:00

88 lines
2.0 KiB
TypeScript

import { format as formatDate, formatDistanceToNow } from "date-fns";
import * as React from "react";
import Tooltip from "~/components/Tooltip";
import useUserLocale from "~/hooks/useUserLocale";
import { dateLocale } from "~/utils/i18n";
let callbacks: (() => void)[] = [];
// This is a shared timer that fires every minute, used for
// updating all Time components across the page all at once.
setInterval(() => {
callbacks.forEach((cb) => cb());
}, 1000 * 60);
function eachMinute(fn: () => void) {
callbacks.push(fn);
return () => {
callbacks = callbacks.filter((cb) => cb !== fn);
};
}
type Props = {
dateTime: string;
children?: React.ReactNode;
tooltipDelay?: number;
addSuffix?: boolean;
shorten?: boolean;
relative?: boolean;
format?: string;
};
function LocaleTime({
addSuffix,
children,
dateTime,
shorten,
format,
relative,
tooltipDelay,
}: Props) {
const userLocale = useUserLocale();
const [_, setMinutesMounted] = React.useState(0); // eslint-disable-line @typescript-eslint/no-unused-vars
const callback = React.useRef<() => void>();
React.useEffect(() => {
callback.current = eachMinute(() => {
setMinutesMounted((state) => ++state);
});
return () => {
if (callback.current) {
callback.current?.();
}
};
}, []);
const locale = dateLocale(userLocale);
let relativeContent = formatDistanceToNow(Date.parse(dateTime), {
addSuffix,
locale,
});
if (shorten) {
relativeContent = relativeContent
.replace("about", "")
.replace("less than a minute ago", "just now")
.replace("minute", "min");
}
const tooltipContent = formatDate(
Date.parse(dateTime),
format || "MMMM do, yyyy h:mm a",
{
locale,
}
);
const content =
children || relative !== false ? relativeContent : tooltipContent;
return (
<Tooltip tooltip={tooltipContent} delay={tooltipDelay} placement="bottom">
<time dateTime={dateTime}>{content}</time>
</Tooltip>
);
}
export default LocaleTime;