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Managing Component Lifecycle in Vue: Cancelling Operations Before Mounting


When working with reusable components, there’s sometimes a need to interrupt initialization before mounting, especially when components perform heavy operations like API calls. Let’s explore solutions for Vue 3 and Vue 2. The Problem Illustrated Sometimes a parent component can’t reliably use v-if to conditionally render a child component. The following example demonstrates this: <template> <ReusableComponent /> </template> <script> // Component with API call in created() export default { async created() { this.…
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Optimizing UI Performance: The Proxy Pattern for Frontend Developers


We’ve all been there - you build a beautiful tab system or modal dialog, only to watch your app chug when switching between views. The Proxy pattern offers a pragmatic solution to this common performance headache. Let’s break it down like we’re pair-programming. The Core Idea Instead of destroying and recreating components (which burns CPU cycles), we: Render components once Hide them when not needed Quickly show them again when required It’s like keeping tools on your workbench instead of running to the storage room every time you need a hammer.…
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