@datawheel/canon-next

v0.3.1

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a month ago

Nextjs components for sites migrating away from canon-core.

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canon-next: Nextjs components for sites migrating away from canon-core.

This package provides React Components for rendering a canon profile on a NextJS app, using Mantine components.

Setup an installation

You'll need to create a NextJS (v13) app. Install the package using npm:

npm i @datawheel/canon-next

You'll need to wrap your entire app into a MantineProvider, in order to allow Mantine components to render properly. For detailed instructions follow the official Mantine Documentation for NextJS. In addition, you'll need to set up next-i18next on your app, with the appropiate locales. Your _app.js file should look like this:

import Head from "next/head";
import {MantineProvider} from "@mantine/core";
import {appWithTranslation} from "next-i18next";

function App(props) {
  const {Component, pageProps} = props;

  return (
    <>
      <Head>
        <title>Page title</title>
        <meta name="viewport" content="minimum-scale=1, initial-scale=1, width=device-width" />
      </Head>
      // Mantine Provider
      <MantineProvider
        withGlobalStyles
        withNormalizeCSS
      >
        <Component {...pageProps} />
      </MantineProvider>
    </>
  );
}

// next-i18next wrapper
export default appWithTranslation(App);

For an easier set up, you can follow this nextjs template.

Connecting to your canon API

You'll need to provide canon-next components access to your canon-cms API end point setting the ´NEXT_PUBLIC_CMS´ enviroment variable on your NextJS app.

NEXT_PUBLIC_CMS=your_canon_cms/api

Rendering a profile

The Profile component is used to render a canon profile. It needs to recieve the following props:

profile: the JSON object representation of the required profile to render
formatters, an array of the required formatters
t: a next-i18next translation function, with access to the proper CMS translations. You can find the base CMS translations on the example-next app

Set up with SSG:

For rendering a profile with SSG on NextJS, you'll need to get your profile and formatters objects inside of getStaticProps. We provide a set of helper functions cmsStaticProps and cmsStaticPaths for easy set-up. Place them in your getStaticProps and getStaticPaths respectively as follows:

export async function getStaticPaths() {
  return {
    ...await cmsDefaultPaths()
  };
}

export async function getStaticProps({locale, params}) {
  return {
    props: {
      ...await serverSideTranslations(locale, ["common", "profile"]),
      ...await cmsDefaultProps(params.members, locale)
    }
  };
}

Note: members refers to the name on your NextJS dynamic route, in this case [...members].js. If you chose to render the profiles on another route, change the parameter accessor accordingly.

You can also follow the example app for setting this up for a classic canon-cms instance.

If you chose to serve the profile pages from a path other than /profile, you'll need to provide an appropiate linkify function. The linkify function should take an array of slug/id pairs and convert it to a valid url path in your app.

Aplying custom styles

We recommend using Mantine components overrides into the theme object of the MantineProvider, as described in the mantine documentation. If you need more fine grained adjustements, you can target some components using its class name through the globalStyles object of your MantineProvider

import {MantineProvider} from "@mantine/core";
import {Inter} from "@next/font/google";

const inter = Inter({subsets: ["latin"]});

export default function App(props) {
  const {Component, pageProps} = props;

  return (
    <MantineProvider
      withGlobalStyles
      withNormalizeCSS
      theme={{

        /** Put your mantine theme override here */
        colorScheme: "light",
        globalStyles: {

          /** Put your cms overrides here*/
          ".cp-hero-heading-dimension": {
            fontFamily: `${inter.style.fontFamily} !important`
          }
        }
      }}
    >
      <Component {...pageProps} />
    </MantineProvider>
  );
}

Custom Sections

If your CMS instance implements Custom Section, you can add custom JSX renderers to your profiles by passing a mapping object to the Profile component. For more information on the usage of Custom Sections see the canon-cms documentation.

Example:


...

const customSections = {
  CustomSectionName: CustomSectionComponent
}

export default function ProfilePage(props) {
  (...)
  return (
    <Profile
      (...)
      customSections={customSections}
    />
    );
  }
...

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