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