65 lines
2.0 KiB
TypeScript
65 lines
2.0 KiB
TypeScript
import Head from "next/head";
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import React, { createContext, useContext, useState, useEffect } from "react";
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import { APP_NAME } from "@calcom/lib/constants";
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type MetaType = {
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title: string;
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description: string;
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backButton?: boolean;
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CTA?: React.ReactNode;
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};
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const initialMeta: MetaType = {
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title: "",
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description: "",
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backButton: false,
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CTA: null,
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};
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const MetaContext = createContext({
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meta: initialMeta,
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// eslint-disable-next-line @typescript-eslint/no-empty-function
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setMeta: (newMeta: Partial<MetaType>) => {},
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});
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export function useMeta() {
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return useContext(MetaContext);
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}
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export function MetaProvider({ children }: { children: React.ReactNode }) {
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const [value, setValue] = useState(initialMeta);
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const setMeta = (newMeta: Partial<MetaType>) => {
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setValue((v) => ({ ...v, ...newMeta }));
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};
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return <MetaContext.Provider value={{ meta: value, setMeta }}>{children}</MetaContext.Provider>;
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}
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/**
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* The purpose of this component is to simplify title and description handling.
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* Similarly to `next/head`'s `Head` component this allow us to update the metadata for a page
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* from any children, also exposes the metadata via the `useMeta` hook in case we need them
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* elsewhere (ie. on a Heading, Title, Subtitle, etc.)
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* @example <Meta title="Password" description="Manage settings for your account passwords" />
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*/
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export default function Meta({ title, description, backButton, CTA }: MetaType) {
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const { setMeta, meta } = useMeta();
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/* @TODO: maybe find a way to have this data on first render to prevent flicker */
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useEffect(() => {
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if (meta.title !== title || meta.description !== description || meta.CTA !== CTA) {
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setMeta({ title, description, backButton, CTA });
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}
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [title, description, backButton, CTA]);
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const title_ = `${title} | ${APP_NAME}`;
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return (
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<Head>
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<title>{title_}</title>
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<meta name="description" content={description} />
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</Head>
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);
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}
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