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rappli/src/util.tsx

99 lines
2.3 KiB
TypeScript

import Big from "big.js";
import { fromUnixTime, intlFormat } from "date-fns";
import { JSX } from "solid-js";
export const sleep = (timeout: number) =>
new Promise((res) => setTimeout(res, timeout));
// Source: https://stackoverflow.com/a/34591063
export const roundToStep = (value: number, step = 1.0) => {
const inv = new Big(1.0).div(step);
return inv.mul(value).round().div(inv).toNumber();
};
export const getDisplayDate = function (date: Date) {
return intlFormat(
date,
{
day: "2-digit",
month: "2-digit",
year: "numeric",
},
{
locale: "de-CH",
}
);
};
export const getDisplayDateFromUnix = function (unix: number) {
return getDisplayDate(fromUnixTime(unix));
};
export const resetInput =
(defaultValue: any, eventName = "input") =>
(evt: FocusEvent) => {
const el = evt.target as HTMLInputElement | null;
if (!el) {
return;
}
if (el.value !== "") {
return;
}
el.value = defaultValue;
const event = new Event(eventName, { bubbles: true });
el.dispatchEvent(event);
};
// https://dev.to/codebubb/how-to-shuffle-an-array-in-javascript-2ikj
export const shuffle = (list: any[]) => {
for (let i = list.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
const temp = list[i];
list[i] = list[j];
list[j] = temp;
}
return list;
};
export const getDomain = () =>
import.meta.env.SSR ? process.env.DOMAIN || "localhost" : location.hostname;
export const getHost = () => `https://${getDomain()}`;
export const onClickFocus: JSX.EventHandlerUnion<
HTMLAnchorElement,
MouseEvent
> = (evt) => {
const el = evt.currentTarget!;
const id = el.getAttribute("href");
if (id == null) {
return;
}
const targetEl = document.querySelector<HTMLElement>(id);
if (targetEl == null) {
return;
}
targetEl.focus();
};
export const externalLink = { target: "_blank", rel: "noopener" };
export const createOptionalNumberInputHandler = (
onInput: (v: number | undefined) => void
) => {
return (e: InputEvent & { currentTarget: HTMLInputElement }) => {
if (e.currentTarget.validity.badInput) {
return;
}
const value =
e.currentTarget.value == "" ? undefined : e.currentTarget.valueAsNumber;
onInput(value);
};
};