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https://git.kescher.at/CatCatNya/catstodon.git
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52 lines
1.4 KiB
TypeScript
52 lines
1.4 KiB
TypeScript
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import type { ReactElement } from 'react';
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import { createContext, useContext, useMemo, useState } from 'react';
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import { createPortal } from 'react-dom';
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export const ColumnsContext = createContext<{
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tabsBarElement: HTMLElement | null;
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setTabsBarElement: (element: HTMLElement) => void;
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multiColumn: boolean;
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}>({
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tabsBarElement: null,
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multiColumn: false,
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setTabsBarElement: () => undefined, // no-op
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});
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export function useColumnsContext() {
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return useContext(ColumnsContext);
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}
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export const ButtonInTabsBar: React.FC<{
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children: ReactElement | string | undefined;
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}> = ({ children }) => {
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const { multiColumn, tabsBarElement } = useColumnsContext();
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if (multiColumn) {
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return children;
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} else if (!tabsBarElement) {
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return children;
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} else {
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return createPortal(children, tabsBarElement);
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}
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};
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type ContextValue = React.ContextType<typeof ColumnsContext>;
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export const ColumnsContextProvider: React.FC<
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React.PropsWithChildren<{ multiColumn: boolean }>
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> = ({ multiColumn, children }) => {
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const [tabsBarElement, setTabsBarElement] =
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useState<ContextValue['tabsBarElement']>(null);
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const contextValue = useMemo<ContextValue>(
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() => ({ multiColumn, tabsBarElement, setTabsBarElement }),
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[multiColumn, tabsBarElement],
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);
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return (
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<ColumnsContext.Provider value={contextValue}>
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{children}
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</ColumnsContext.Provider>
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);
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};
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