v1
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76
src/layouts/shortcodes/Tabs.tsx
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76
src/layouts/shortcodes/Tabs.tsx
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import { marked } from "marked";
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import React, { useEffect, useRef, useState } from "react";
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marked.use({
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mangle: false,
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headerIds: false,
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});
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const Tabs = ({ children }: { children: React.ReactElement }) => {
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const [active, setActive] = useState<number>(0);
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const [defaultFocus, setDefaultFocus] = useState<boolean>(false);
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const tabRefs: React.RefObject<HTMLElement[]> = useRef([]);
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useEffect(() => {
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if (defaultFocus) {
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//@ts-ignore
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tabRefs.current[active]?.focus();
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} else {
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setDefaultFocus(true);
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}
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}, [active]);
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const tabLinks = Array.from(
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children.props.value.matchAll(
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/<div\s+data-name="([^"]+)"[^>]*>(.*?)<\/div>/gs,
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),
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(match: RegExpMatchArray) => ({ name: match[1], children: match[0] }),
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);
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const handleKeyDown = (
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event: React.KeyboardEvent<EventTarget>,
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index: number,
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) => {
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if (event.key === "Enter" || event.key === " ") {
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setActive(index);
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} else if (event.key === "ArrowRight") {
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setActive((active + 1) % tabLinks.length);
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} else if (event.key === "ArrowLeft") {
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setActive((active - 1 + tabLinks.length) % tabLinks.length);
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}
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};
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return (
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<div className="tab">
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<ul className="tab-nav">
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{tabLinks.map(
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(item: { name: string; children: string }, index: number) => (
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<li
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key={index}
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className={`tab-nav-item ${index === active && "active"}`}
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role="tab"
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tabIndex={index === active ? 0 : -1}
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onKeyDown={(event) => handleKeyDown(event, index)}
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onClick={() => setActive(index)}
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//@ts-ignore
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ref={(ref) => (tabRefs.current[index] = ref)}
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>
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{item.name}
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</li>
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),
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)}
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</ul>
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{tabLinks.map((item: { name: string; children: string }, i: number) => (
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<div
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className={active === i ? "tab-content block px-5" : "hidden"}
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key={i}
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dangerouslySetInnerHTML={{
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__html: marked.parse(item.children),
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}}
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/>
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))}
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</div>
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);
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};
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export default Tabs;
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