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Qwik for - Developers

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New perspectives open up new paths.

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How can I do … in Qwik?

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@GregOnNet Gregor Woiwode, CTO Find me at the conference and say hi!

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@GregOnNet Gregor Woiwode, CTO Find me at the conference and say hi! 🤔 write me an X-it?!

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Playground - Insurance Branch - Document Manager

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- 💫 Developer Experience - 🧬 Component Anatomy - 🧭 Routing - ☁ Http - 🤔 Code reusability Agenda

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💫 Developer Experience CLI CLI community built-in

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CLI - Scaffolds Project - Installs integrations - Provides guidance

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esLint - ⛔ Qwik has some constraints how its API needs to be used. - 🛣 Qwik provides esLint Rules guiding you.

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esLint https://qwik.builder.io/docs/advanced/eslint/#missingExport - E.g. some functions must be exported. - Each rule is well documented.

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Integrations https://qwik.builder.io/docs/integrations 🌳 unpic And many more… Auth.js ⚛ React Playwright vitest

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Component Anatomy

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Component Anatomy

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JSX/TSX - JavaScript Syntax Extension

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Component Anatomy

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Component Anatomy

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Component Anatomy

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• OnInit • OnChanges • AfterViewInit • AfterViewChecked • AfterContentInit • AfterContentChecked • DoCheck • OnDestroy • useTask$ • useVisibleTask$ Component Life-Cycle

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Component Anatomy

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Component Anatomy

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useTask$ - 👂can listen to state changes - 🏄is executed on the server first

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useTask$ = OnInit + OnChanges + Server-Side-Execution

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useTask$

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https://qwik.builder.io/docs/components/tasks/#usetask … is executed on the server & the client. 🤯 useTask$

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useVisibleTask$ - 📱is executed on the client - 🎨 is triggered initially after first render - 🔄 re-executes when dependency has changed

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useVisibleTask$ = AfterViewInit + OnChanges

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useVisibleTask$

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• @HostListener() • InjectionToken • useOnDocument() • useOnWindow() • useOn() Listen to Events

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Component Anatomy

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useOn…

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• @Input() / input() • @Output() / output() • Props • PropFunction Coponent Communication

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Component Communication

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Component Communication

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• signal() • computed() • effect() • input() • output() • model() • useStore() • useSignal() • useComputed() Reactive Primitives

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DEMO

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• Router • Guards • File based routing • Middleware • Layouts Navigation

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DEMO

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• HttpClient • Interceptors • fetch • useResource$ • routeLoader$ • routeAction$ • server$ HTTP

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DEMO

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Summary component$ STATE useSignal useStore TASKS useTask$ useVisibleTask$ CONTEXT createContextId useContext useContextProvider SLOTS Qwik enhanced progressively by hooks.

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Summary component$ SERVER server$ env PAGES Routing Dynamic Head DATA routeLoader$ routeAction$ Endpoints LAYOUTS Qwik comes with Qwik City

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Community

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Community Join Discord via qwik.builder.io

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Gregor Woiwode, CTO https://github.com/co-IT/talk-qwik-angular Slides & Code

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Attributions - Photo by Anika Huizinga on Unsplash - Photo by Dawid Zawiła on Unsplash - Photo by RephiLe water on Unsplash - Photo by Jed Villejo on Unsplash