mocha-relativity.js

const AssetGraph = require('assetgraph');

async function everythingIsRelative(graphInstance) {
  const relations = graphInstance.findRelations({hrefType: {$not: 'inline'}});

  for (const relation of relations) {
    relation.hrefType = 'relative';
  }
}

async function main() {
  const graph = new AssetGraph({
    root: 'docs/_site',
    canoniralRoot: 'https://mochajs.org/'
  });

  // Logging for easier debugging
  await graph.logEvents();

  // Add initial entry points
  await graph.loadAssets('index.html');

  // Expand the graph to the entirety of your site
  await graph.populate({
    followRelations: {
      crossorigin: false
    }
  });

  // Make al URL's root relative
  await everythingIsRelative(graph);

  // Write the whole thing to the `dist`-folder
  await graph.writeAssetsToDisc({isLoaded: true}, 'dist-demo');
}

main();