Angular 14, the hottest edition of the Google-designed, TypeScript-primarily based net application framework, has arrived, that includes typed forms and a developer preview of standalone components.
Standalone parts simplify the advancement of Angular apps by reducing the have to have for NgModules. With standalone elements, directives, and pipes, the
standalone: accurate flag allows builders to include
imports immediately in a
@component() without the need of an
@NgModule(). These components really should be used for exploration and enhancement only, as they are not a steady API and could change outside the house of Angular’s typical design of backward compatibility.
Also in Angular 14, which was printed June 2, reactive forms are strictly typed by default. Typed forms assure that values inside of types controls, groups, and arrays are style safe and sound across the entire API floor, enabling safer sorts significantly for deeply nested intricate situations. Update schematics allow for for incremental migration to typed varieties. Developers can step by step insert typing to current forms with total backward compatibility. Also,
ng udpate will exchange all form courses with untyped variations, enabling developers to help varieties at their individual tempo.
To consider benefit of the new typing assistance, the Angular progress workforce advises browsing for instances of the
Untyped varieties controls and migrating to the new typed forms API surface exactly where doable.
Angular 14 follows Angular 13, which arrived previous November. Guidelines for having set up in Angular can be identified at the project website. Other new attributes and enhancements in Angular 14 include things like:
- Guidance for the most up-to-date TypeScript 4.7 launch. Angular 14 targets ES2020 by default, permitting the CLI to ship smaller code with no need to down-stage.
- Safeguarded part customers can be bounded instantly from templates. This provides end users extra control about the general public API surface area of reusable elements.
- NgModel alterations are reflected in the UI for OnPush factors.
- Optional injectors can be applied when building an embedded see. The injector will allow the dependency injection actions to be custom-made in the unique template. Cleaner APIs are enabled for reusable components and for element primitives in Angular CDK (Ingredient Dev Package).
- An experimental esbuild-based build system for
ng developis introduced, compiling to pure ECMAScript Module output.
- New solutions are available for
HarnessLoaderto check out if a harness is present and return the harness occasion if present.
- New adjust detection and runtime optimization guides on angular.io.
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