const path = require('path')
const PrerenderSPAPlugin = require('@momopig/prerender-spa-plugin')

module.exports = {
  plugins: [
    ...new PrerenderSPAPlugin({
      // Required - The path to the webpack-outputted app to prerender.
      staticDir: path.join(__dirname, 'dist'),
      // Required - Routes to render.
      routes: ['/', '/about', '/some/deep/nested/route'],

      // optional - Routes need authorize
      authRoutes: ['/pageNeedAuth'],

      // optional - support authRoutes
      cookies: [{
        name: 'seesionId',

        // persistent token
        value: 'Hp2qERZ_H60hBo',
        domain: '127.0.0.1'
      }],

      server: {
        port: 8181,

        // optional - support authRoutes
        proxy: {

          // path rule: node express
          '/api': {
            target: 'http://dev.com',
            changeOrigin: true
          }
        }
      }
    }),
  ],
}

const path = require('path')
const PrerenderSPAPlugin = require('@momopig/prerender-spa-plugin')
const Renderer = PrerenderSPAPlugin.PuppeteerRenderer

module.exports = {
  plugins: [
    ...new PrerenderSPAPlugin({
      // Required - The path to the webpack-outputted app to prerender.
      staticDir: path.join(__dirname, 'dist'),

      // Optional - The path your rendered app should be output to.
      // (Defaults to staticDir.)
      outputDir: path.join(__dirname, 'prerendered'),

      // Optional - The location of index.html
      indexPath: path.join(__dirname, 'dist', 'index.html'),

      // Required - Routes to render.
      routes: ['/', '/about', '/some/deep/nested/route'],

      // Optional - Allows you to customize the HTML and output path before
      // writing the rendered contents to a file.
      // renderedRoute can be modified and it or an equivelant should be returned.
      // renderedRoute format:
      // {
      //   route: String, // Where the output file will end up (relative to outputDir)
      //   originalRoute: String, // The route that was passed into the renderer, before redirects.
      //   html: String, // The rendered HTML for this route.
      //   outputPath: String // The path the rendered HTML will be written to.
      // }
      postProcess(renderedRoute) {
        // Ignore any redirects.
        renderedRoute.route = renderedRoute.originalRoute
        // Basic whitespace removal. (Don't use this in production.)
        renderedRoute.html = renderedRoute.html.split(/>[\s]+</gim).join('><')
        // Remove /index.html from the output path if the dir name ends with a .html file extension.
        // For example: /dist/dir/special.html/index.html -> /dist/dir/special.html
        if (renderedRoute.route.endsWith('.html')) {
          renderedRoute.outputPath = path.join(__dirname, 'dist', renderedRoute.route)
        }

        return renderedRoute
      },

      // Optional - Uses html-minifier (https://github.com/kangax/html-minifier)
      // To minify the resulting HTML.
      // Option reference: https://github.com/kangax/html-minifier#options-quick-reference
      minify: {
        collapseBooleanAttributes: true,
        collapseWhitespace: true,
        decodeEntities: true,
        keepClosingSlash: true,
        sortAttributes: true,
      },

      // Server configuration options.
      server: {
        // Normally a free port is autodetected, but feel free to set this if needed.
        port: 8001,
      },

      // The actual renderer to use. (Feel free to write your own)
      // Available renderers: https://github.com/Tribex/prerenderer/tree/master/renderers
      renderer: new Renderer({
        // Optional - The name of the property to add to the window object with the contents of `inject`.
        injectProperty: '__PRERENDER_INJECTED',
        // Optional - Any values you'd like your app to have access to via `window.injectProperty`.
        inject: {
          foo: 'bar',
        },

        // Optional - defaults to 0, no limit.
        // Routes are rendered asynchronously.
        // Use this to limit the number of routes rendered in parallel.
        maxConcurrentRoutes: 4,

        // Optional - Wait to render until the specified event is dispatched on the document.
        // eg, with `document.dispatchEvent(new Event('custom-render-trigger'))`
        renderAfterDocumentEvent: 'custom-render-trigger',

        // Optional - Wait to render until the specified element is detected using `document.querySelector`
        renderAfterElementExists: 'my-app-element',

        // Optional - Wait to render until a certain amount of time has passed.
        // NOT RECOMMENDED
        renderAfterTime: 5000, // Wait 5 seconds.

        // Other puppeteer options.
        // (See here: https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#puppeteerlaunchoptions)
        headless: false, // Display the browser window when rendering. Useful for debugging.
      }),
    }),
  ],
}

{
  // The prerendered route, after following redirects.
  route: String,
  // The original route passed, before redirects.
  originalRoute: String,
  // The resulting HTML for the route.
  html: String,
  // The path to write the rendered HTML to.
  // This is null (automatically calculated after postProcess)
  // unless explicitly set.
  outputPath: String || null
}

postProcess(context) {
  // Remove /index.html from the output path if the dir name ends with a .html file extension.
  // For example: /dist/dir/special.html/index.html -> /dist/dir/special.html
  if (context.route.endsWith('.html')) {
    context.outputPath = path.join(__dirname, 'dist', context.route)
  }

  return context
}

postProcess(context) {
  return someAsyncProcessing(context.html)
    .then((html) => {
      context.html = html;
      return context;
    });
}

document.addEventListener('DOMContentLoaded', function () {
  // your code
})

const root = new Vue({
  // ...
})

document.addEventListener('DOMContentLoaded', function () {
  root.$mount('#app')
})