The async/await feature can be used to simplify handling asynchronous operations in TypeScript. Functions with the async keyword return a Promise that can be awaited. Example: 24. How can you use mapped types in TypeScript?Hide Answer Mapped Types allow you to create new types based on existi...
server.listen(port,() =>{ routes.forEach((route: CommonRoutesConfig) =>{debugLog(`Routes configured for${route.getName()}`); });// our only exception to avoiding console.log(), because we// always want to know when the server is done starting upconsole.log(runningMessage); }); ...
Now,if your company struggles with these performance issues in large TypeScript monorepos,let us know. We'veworked with many teamsto solve similar challenges and would be happy to help.Reach out! FAQ Here are some common questions and corresponding answers. ...
Exception handling The Error class The try...catch statements and throw statements Summary Application Testing Testing terminology Assertions Specs Test cases Suites Spies Dummies Stubs Mocks Test coverage Prerequisites Mocha Chai Sinon.JS nyc Webpack Enzyme SuperTest PM2 Nightwatch.js and ChromeDriver Tes...
Exception handling The Error class The try...catch statements and throw statements Summary Application Testing Testing terminology Assertions Specs Test cases Suites Spies Dummies Stubs Mocks Test coverage Prerequisites Mocha Chai Sinon.JS nyc Webpack Enzyme SuperTest PM2...
#11262 Extract for-of iterator handling to a helper (@nicolo-ribaudo) babel-core, babel-plugin-proposal-decorators, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plu...
()on a controller will trigger an unhandled exception which will get logged to the browser console or, sadly, cause Node.js to exit. This is generally not good practice, and we can fix it by gracefully handling the AbortError. Here’s how we can add that functionality ...
class Shape {} class Circle extends Shape {x: number = 5} class Square extends Shape {y: string = "a"} function createShape(): Shape { return new Circle() } let c2 = createShape() as Circle // ClassCastException is thrown during runtime. let c3 = createShape() as Square // A...
error("Oh no, a service exception was thrown!"); } throw error; } Runtime Configurations: Populated default values for a client input configuration for different platforms, currently supporting Node.js, Browser, and React-Native. All of these have a shared runtime configuration that is ...
Error handling Versioning of your app, libraries, endpoints, schemas, etc Documentation Standard ways to report health, errors, monitoring statistics, etc Standard ways of logging and a place where those logs will be aggregated etc. Standards help enforce best practices and simplify both the developm...