anthonynsimon/_document.js

## _document.js
// MIT License

// Copyright (c) 2020 Anthony N. Simon

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

import Document, { Head, Html, Main, NextScript } from "next/document";

// IMPORTANT: remember to set site ID below.
// You can enable debug mode when developing to allow Panelbear to send events on localhost.
const PANELBEAR_CONFIG = {
  site: "YOUR_SITE_ID",
  spaMode: "history",
  debug: false,
};

function getPanelbearScript() {
  if (PANELBEAR_CONFIG.debug) {
    console.warn(
      "Panelbear is running in debug mode, you should probably turn this off for production."
    );
  }

  if (!PANELBEAR_CONFIG.site || PANELBEAR_CONFIG.site === "YOUR_SITE_ID") {
    console.warn("You should set your Panelbear site ID.");
  }

  return `window.panelbear = window.panelbear || function(){ window.panelbearQ = window.panelbearQ || []; panelbearQ.push(arguments); };
panelbear("config", ${JSON.stringify(PANELBEAR_CONFIG)});
`;
}

class CustomDocument extends Document {
  static async getInitialProps(ctx) {
    const initialProps = await Document.getInitialProps(ctx);
    return { ...initialProps };
  }

  render() {
    return (
      <Html lang="en">
        <Head>
          <script
            async
            src={`https://cdn.panelbear.com/analytics.js?site=${PANELBEAR_CONFIG.site}`}
          ></script>
          <script
            dangerouslySetInnerHTML={{ __html: getPanelbearScript() }}
          ></script>
        </Head>
        <body>
          <Main />
          <NextScript />
        </body>
      </Html>
    );
  }
}

export default CustomDocument;
	// MIT License

	// Copyright (c) 2020 Anthony N. Simon

	// Permission is hereby granted, free of charge, to any person obtaining a copy
	// of this software and associated documentation files (the "Software"), to deal
	// in the Software without restriction, including without limitation the rights
	// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	// copies of the Software, and to permit persons to whom the Software is
	// furnished to do so, subject to the following conditions:

	// The above copyright notice and this permission notice shall be included in all
	// copies or substantial portions of the Software.

	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	// SOFTWARE.

	import Document, { Head, Html, Main, NextScript } from "next/document";

	// IMPORTANT: remember to set site ID below.
	// You can enable debug mode when developing to allow Panelbear to send events on localhost.
	const PANELBEAR_CONFIG = {
	site: "YOUR_SITE_ID",
	spaMode: "history",
	debug: false,
	};

	function getPanelbearScript() {
	if (PANELBEAR_CONFIG.debug) {
	console.warn(
	"Panelbear is running in debug mode, you should probably turn this off for production."
	);
	}

	if (!PANELBEAR_CONFIG.site \|\| PANELBEAR_CONFIG.site === "YOUR_SITE_ID") {
	console.warn("You should set your Panelbear site ID.");
	}

	return `window.panelbear = window.panelbear \|\| function(){ window.panelbearQ = window.panelbearQ \|\| []; panelbearQ.push(arguments); };
	panelbear("config", ${JSON.stringify(PANELBEAR_CONFIG)});
	`;
	}

	class CustomDocument extends Document {
	static async getInitialProps(ctx) {
	const initialProps = await Document.getInitialProps(ctx);
	return { ...initialProps };
	}

	render() {
	return (
	<Html lang="en">
	<Head>
	<script
	async
	src={`https://cdn.panelbear.com/analytics.js?site=${PANELBEAR_CONFIG.site}`}
	></script>
	<script
	dangerouslySetInnerHTML={{ __html: getPanelbearScript() }}
	></script>
	</Head>
	<body>
	<Main />
	<NextScript />
	</body>
	</Html>
	);
	}
	}

	export default CustomDocument;