There have been a lot of significant updates, introductions, and improvements included in TypeScript 4.7. This update specifically revolves around new features for type inference, narrowing analysis, ES module integration, instantiation expressions, and more. Let’s take a look at each of the new changes and understand how we can use them today.
Table of contents
Setting up the environmentWe made a custom demo for . No really. Click here to check it out .Better control over module detectionObjects and methods have improved in function inferenceSpecialized generic function with instantiation expressionsMore control flow analysis for calculated propertiesObject method snippet autocompletion inside IDEtypeof queries in #private fields are now allowedOptional variance annotations for type parametersGroup-aware organize imports with auto sortingResolution mode can be used on import() typesCustomization of the resolution with moduleSuffixesExtends constraints on infer type variablesECMAScript module is supported in Node.jsOther breaking changesConclusionWriting a lot of TypeScript? Watch the recording of our recent TypeScript meetup to learn about writing more readable code.Sort: