svelte-fingerprinting

const AssetGraph = require('assetgraph');           // library to build dependency tree
const hashFiles = require('assetgraph-hashfiles');  // library to add hash
const del = require('del'); 

// top level await calls need to be inside
// an async function call
(async () => {

  // remove old version of dist folder so
  // we start from a clean slate and no old
  // versions are left around
  const deletedPaths = await del(['./dist']);
  deletedPaths.forEach(p => console.log(`deleted path: ${p}`));

  // create new graph of the public folder
  const graph = new AssetGraph({root: './public'});

  // output events for logging
  graph.on('addAsset', function (asset) {
    console.log('addAsset', asset.toString());
  });

  await graph.loadAssets('*.html');     // load assets for all html files
  await graph.populate();               // populate the graph with the assets
  await hashFiles(graph);               // hash the appropriate assets

  await graph.writeAssetsToDisc({isLoaded: true}, './dist'); // save all to the dist folder
})();