sapper-spa

sapper-spa is a special target for sapper that skips server-side rendering and exports a single, static index.html. It retains sapper's built-in routing, code-splitting, and build system, but is designed for single-page apps that are exported as static sites. Examples of when this could be useful is for are when preload includes user-specific queries, Electron apps, and generally apps (rather than sites) that you'd like to export statically.

Usage

Install as dependency, there is an extremely minimal runtime:

npm install sapper-spa
# or yarn add sapper-spa

Update webpack/server.config.js to replace svelte-loader with sapper-spa/loader:

module.exports = {
  // ...
  module: {
    rules: [
      {
        test: /\.html$/,
        use: {
          // Replace svelte-loader
          loader: 'sapper-spa/loader'
          options: {
            css: false,
            generate: 'ssr'
          }
        }
      }
    ]
  }
};

Add sapper-spa to app/client.js:

import { init } from 'sapper/runtime.js';
import { manifest } from './manifest/client.js';
import 'sapper-spa';
 
// ...

That's it! All of the sapper commands (dev, build, export) behave normally and the generated index.html is ready for single-page applications.