Reactivity System Deep Dive

What is Reactivity

Dependency Tracking

Change Detection

Reactivity Triggers

ref() for Primitives

reactive() for Objects

readonly() for Immutable Data

shallowRef() and shallowReactive()

Array Index Assignment

Object Property Addition

Destructuring Reactive Objects

Reactivity Loss Scenarios

Basic Computed Properties

Computed vs Methods

Writable Computed Properties

Computed Property Caching

Debugging Computed Properties

watch() Function

watchEffect() Function

Deep Watching

Immediate Execution

Stopping Watchers

Cleanup Functions

Async Watchers