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| 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 | 121x 121x 121x 121x 121x 121x 121x | import React, { useRef } from "react";
import { useInView } from "react-intersection-observer";
import { CustomTheme } from "@theme/v2/palette.interface";
import GiveIconButton from "@shared/IconButton/GiveIconButton";
import { CaretUpIcon } from "@phosphor-icons/react";
export default function useScrollTopIcon() {
const containerRef = useRef<HTMLDivElement | null>(null);
const { ref, inView } = useInView({
threshold: 0.1,
});
const scrollToTop = () => {
const container = containerRef.current;
if (container) {
container.scrollTo({
top: 0,
behavior: "smooth",
});
}
};
const scrollButton = (
<GiveIconButton
sx={(theme) => buttonStyle(!inView, theme)}
onClick={scrollToTop}
size="large"
variant="filled"
Icon={CaretUpIcon}
data-testid="scroll-to-top-button-icon"
/>
);
return {
scrollButton,
containerRef,
viewRef: ref,
};
}
const buttonStyle = (visible: boolean, theme: CustomTheme) => ({
bottom: "32px",
right: "32px",
zIndex: 99,
backgroundColor: theme.palette?.primitive?.neutral["0"] as string,
borderRadius: `${theme.customs?.radius?.large}px`,
position: "absolute",
display: "flex",
opacity: visible ? 1 : 0,
visibility: visible ? "visible" : "hidden",
transition: "opacity 0.3s ease, visibility 0.3s ease",
boxShadow: `0px 4px 8px 0px ${theme.palette?.primitive?.transparent["darken-10"]}`,
});
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