docs: function getCompileHash(load, compileOpts) {
    return createHash('md5')
    .update(JSON.stringify({
      source: load.source,
      metadata: load.metadata,
      path: compileOpts.sourceMaps && load.path,
  
      normalize: compileOpts.normalize,
      anonymous: compileOpts.anonymous,
      systemGlobal: compileOpts.systemGlobal,
      static: compileOpts.static,
      encodeNames: compileOpts.encodeNames,
      sourceMaps: compileOpts.sourceMaps,
      lowResSourceMaps: compileOpts.lowResSourceMaps
    }))
    .digest('hex');
  }