text: const fs = require("fs");
  
  fs.readFile("node_modules/@angular-devkit/build-angular/src/angular-cli-files/models/webpack-configs/browser.js", "utf8", function (err,data) {
    if (err) {
      return;
    }
    var result = data.replace(/node: false/g, "node: {crypto: true, stream: true, fs: \'empty\'}");
  
    fs.writeFile("node_modules/@angular-devkit/build-angular/src/angular-cli-files/models/webpack-configs/browser.js", result, "utf8", function (err) {
      if (err){ 
        return;
      }
    });
  });
  
  
  
  fs.readFile("node_modules/@comunica/actor-init-sparql/lib/ActorInitSparql-browser.js", "utf8", function (err,data) {
    if (err) {
      return;
    }
    var result = data.replace(/operation = (await this.mediatorOptimizeQueryOperation.mediate({ context, operation })).operation;/g, "//operation = (await this.mediatorOptimizeQueryOperation.mediate({ context, operation })).operation;");
  
    fs.writeFile("node_modules/@comunica/actor-init-sparql/lib/ActorInitSparql-browser.js", result, "utf8", function (err) {
      if (err){
        return;
      }
    });
  });
  