vite-plugin-react-meta-map
v1.0.8
Published
A Vite plugin for React projects that uses TSX/JSX to generate multiple static .html files during build time, where each can use their own meta tag and other `<head>` information, and all will load your React app seamlessly.
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vite-plugin-react-meta-map
A Vite plugin for React projects that uses TSX/JSX to generate multiple static .html files during build time, where each can use their own meta tag and other <head> information, and all will load your React app seamlessly.
Installation
Install the plugin as a dev dependency:
npm install vite-plugin-react-meta-map --save-devUsage
In your vite.config.ts:
import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
import metaMapPlugin from "vite-plugin-react-meta-map";
// be sure to correctly link the plugin to the two files you create in the example below
export default defineConfig({
plugins: [
react(),
metaMapPlugin({
pageMetaMapFilePath: "./src/pageMetaMap.ts",
pageTemplateFilePath: "./src/PageTemplate.tsx",
}),
],
});Example
- Create a
pageMetaMap.tsfile with your page data:
// you can add more to the PageMetaData type (such as Open Graph data) to be consumed by your PageTemplate component
export interface PageMetaData {
url: string; // required by plugin
bundleEntryPoint: string; // required by plugin
title: string;
description: string;
}
// here you will list all your pages and their needed meta data.
export const pages: PageMetaData[] = [
{
url: "index.html",
bundleEntryPoint: "/src/main.tsx",
title: "My App",
description:
"This app uses multiple html files that each contain the needed entry point(s) for my React app.",
},
];- Create a
PageTemplate.tsxfile in your project that consumes your page meta data:
import React from "react";
import type { PageMetaData } from "./pageMetaMap";
// must contain an element with id="root"
const PageTemplate: React.FC<PageMetaData> = ({ title, description }) => {
return (
<html lang="en">
<head>
<title>{title}</title>
<meta name="description" content={description} />
</head>
<body>
<div id="root"></div>
</body>
</html>
);
};
export default PageTemplate;And you're all set! Building the project will now generate the needed .html files based on your page meta data and page template files.
Summary
By following these steps, you’ll be able to:
- Automatically create different .html entry points with appropriate meta tags for each route of your app.
- Customize your .html file template using a single TSX/JSX component.
- Customize the shape of the data your template component uses to include anything you need.
This will allow developers to further optimize their SEO and use Open Graph without needing SSR.
Additional Details
- Injects bundle-loading/preloading as well as css loading tags in the same way Vite currently does.
- Works with code-split projects.
- Works with projects that use Vite config's rollup options to create multiple entry point files for their react project, though I have't created unit tests for this yet.
- Works with Typescript or Javascript.
- Not as convenient for sites that have numerous DB-generated pages, but tools can be made on a per-project basis that will generate the correct pageMetaMap file to allow for this to work as well.
- While this works great for web crawlers and open-graph social media links, it will not update the page title for in-app route changes (which may be visible at the top of some browsers). This will have to be handled in the in-project routing logic if needed.
- If you have ideas for contributions please get in touch.