javascript / intermediate
Snippet
Signal-based Component Inputs
Signal inputs are the modern replacement for @Input() decorators, offering better performance and built-in reactivity without manual change detection.
snippet.js
javascript
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@Component({ ... })export class UserCard {name = input.required<string>();age = input(0);isAdmin = input(false, { transform: booleanAttribute });}
angular
Breakdown
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input.required<string>()
Defines a mandatory input that returns a reactive Signal.
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input(0)
Defines an optional input with a default value of zero.
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transform: booleanAttribute
A utility that converts string attributes like 'true' into actual boolean values.