function swLoader()

in fusion-cli/build/loaders/sw-loader.js [21:58]

• 32 lines of code
• 8 McCabe index (conditional complexity)

function swLoader() {
  if (!this.optsContext) {
    return '// not supported';
  }

  this.cacheable(false);
  const callback = this.async();
  const opts /*: WebpackConfigOpts*/ = this.optsContext;

  const compiler = getCompiler(opts);

  compiler.run((err, stats) => {
    if (err || stats.hasErrors()) {
      const info = stats.toJson();

      for (let err of info.errors) {
        return void callback(new Error(err));
      }
    }

    // Let loader know about compilation dependencies so re-builds are triggered appropriately
    for (let fileDep of stats.compilation.fileDependencies) {
      this.addDependency(fileDep);
    }
    for (let contextDep of stats.compilation.contextDependencies) {
      this.addContextDependency(contextDep);
    }
    for (let missingDep of stats.compilation.missingDependencies) {
      this.addDependency(missingDep);
      this.addContextDependency(missingDep);
    }
    const bundle = compiler.outputFileSystem.readFileSync(
      '/' + SW_OUTPUT_FILENAME
    );
    const source = getSWTemplateFnSource(bundle);
    callback(null, source);
  });
}