Thanks asonix for reminding me about useState
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@ -1,5 +1,6 @@
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import BasicPage from "../../components/basic-page-template";
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import WCard from "../../components/werefox-card";
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import { useEffect, useState } from "react";
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function getTimes(interval) {
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let expected = Date.now() - new Date("December 11, 2020 00:00:00") + interval;
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@ -17,14 +18,21 @@ function getTimes(interval) {
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}
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export default function HRT() {
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const initialTimes = getTimes(0);
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const [timesArray, setTimesArray] = useState(getTimes());
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useEffect(() => {
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const interval = setInterval(() => {
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setTimesArray(getTimes(0), 1000);
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});
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return () => clearInterval(interval);
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}, [getTimes, setTimesArray]);
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const initialTimesArray = [
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`${initialTimes["days"]} days, `,
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`${initialTimes["hours"]} hours, `,
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`${initialTimes["minutes"]} minutes, `,
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`and ${initialTimes["seconds"]} seconds`,
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`${timesArray["days"]} days, `,
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`${timesArray["hours"]} hours, `,
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`${timesArray["minutes"]} minutes, `,
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`and ${timesArray["seconds"]} seconds`,
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];
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console.log(initialTimesArray);
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return (
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<BasicPage
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@ -44,7 +52,6 @@ export default function HRT() {
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</p>
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</p>
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</WCard>
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<script src="/js/hrttimer.js"></script>
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</BasicPage>
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);
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}
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@ -1,43 +0,0 @@
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window.onload = function HRTTimer() {
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let interval = 1000;
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let times = getTimes(interval);
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let expected = times["expected"];
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setTimeout(step, interval);
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function step() {
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const dt = Date.now() - expected; // the drift (positive for overshooting)
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if (dt > interval) {
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// something really bad happened. Maybe the browser (tab) was inactive?
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// possibly special handling to avoid futile "catch up" run
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}
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times["days"] = Math.round(expected / 1000 / 60 / 60 / 24);
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times["hours"] = (new Date(expected).getHours() + 6) % 24;
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times["minutes"] = new Date(expected).getMinutes();
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times["seconds"] = new Date(expected).getSeconds();
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if (document.getElementById("time_0") != null) {
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document.getElementById("time_0").textContent = times["days"] + " days, ";
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document.getElementById("time_1").textContent =
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times["hours"] + " hours, ";
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document.getElementById("time_2").textContent =
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times["minutes"] + " minutes, ";
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document.getElementById("time_3").textContent =
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"and " + times["seconds"] + " seconds";
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}
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expected += interval;
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setTimeout(step, Math.max(interval - dt, 1000)); // take into account drift
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}
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};
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function getTimes(interval) {
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let expected = Date.now() - new Date("December 11, 2020 00:00:00") + interval;
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let days = Math.floor(expected / 1000 / 60 / 60 / 24);
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let hours = new Date(expected).getHours();
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let minutes = new Date(expected).getMinutes();
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let seconds = new Date(expected).getSeconds();
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return {
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expected: expected,
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days: days,
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hours: hours,
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minutes: minutes,
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seconds: seconds,
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};
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}
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@ -33,12 +33,12 @@ module.exports = {
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},
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keyframes: {
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wiggle: {
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"0%, 100%": { transform: "rotate(-2deg)" },
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"50%": { transform: "rotate(2deg)" },
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"0%, 100%": { transform: "rotate(-1deg)" },
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"50%": { transform: "rotate(1deg)" },
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},
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},
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animation: {
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wiggle: "wiggle 5s ease-in-out infinite",
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wiggle: "wiggle 7s ease-in-out infinite",
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},
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},
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},
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