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angular

Angular web framework for building components and applications

WebFix NG8118: Required Input Signal in Angular Constructor

Resolve NG8118 error when accessing required input signals in Angular component constructors. Learn why it happens, Angular input lifecycle timing, and fixes like ngOnInit or computed signals for input required signals.

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WebCompile TS Background Script for Angular 21 Chrome Extension

Fix custom-webpack issues in Angular 21: compile TypeScript background scripts for Chrome extensions using tsc or esbuild. Integrate with angular.json and manifest.json for seamless builds without peer deps.

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WebAngular @for Whitespace Nodes with preserveWhitespaces

Why Angular @for adds whitespace text nodes like ng-container *ngFor when preserveWhitespaces: true? Understand the behavior, equivalence to *ngFor, and fixes like ngPreserveWhitespaces or CSS flex without global changes.

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WebAngular @if Optional Chaining: Why Type Narrowing Fails

Angular @if optional chaining doesn't trigger TypeScript-style narrowing in templates. Understand Angular control flow conservatism and common workarounds.

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WebAngular 19: inject(Location) Property vs Constructor DI

Why inject(Location) in property initializers fails in Angular 19 standalone components but constructor injection works. Fix timing issues with LOCATION_INITIALIZED and best practices for back buttons.

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WebAngular Signals: Fix effect() Injection Context Error

Fix 'effect() can only be used within an injection context' in Angular Signals. Use runInInjectionContext or effect({injector}) to init effects after render.

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WebAngular editable table with dynamic rows and columns

Build an Angular editable table using Reactive Forms (FormArray). Model dynamic tenants and bill types and recompute row and column totals instantly on input.

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