TypeScript 5.6, the newest model of Microsoft’s strongly typed JavaScript variant, is now accessible as a manufacturing launch. The replace options capabilities that embrace disallowing nullish and truthy checks on syntax that by no means varies on nullishness or truthiness.
Unveiled September 9, TypeScript may be accessed through NPM utilizing the next command: npm set up -D -typescript. The replace additionally may be accessed by way of NuGet.
For disallowed nullish and truthy checks, TypeScript’s compiler now errors when it may syntactically decide {that a} truthy or nullish examine will at all times consider in a particular manner. Microsoft stated “many, many bugs” might be caught this manner. Some expressions nonetheless are allowed even when truthy or nullish. Particularly, true, false, 0, and 1 are all nonetheless allowed regardless of at all times being truthy or falsy.
