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Concurrent React Made Easy

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Henrique Inonhe @HInonhe Developer - Codeminer42 Links (Slides, Social Media, etc)

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● Input Fields ● Buttons ● Menus ● Sliders ● “Smaller” UI Units

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● Input Fields ● Buttons ● Menus ● Sliders ● “Smaller” UI Units ● Huge List ● Dashboard ● Spreadsheet ● Navigations ● “Bigger” UI Units

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Slow Render Example

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Synchronous Rendering Update! Main Thread (Your JS code runs here) Render Event Event Event Event Event Event

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Concurrent React

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Concurrent Rendering

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Synchronous Rendering

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Concurrent Rendering

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Synchronous Rendering

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Concurrent Rendering

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Interruptibility Prioritization Without With Without With !!! !!! !!! !! !! ! ! ! !!! !!! !!! !! !! ! ! !

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Prioritization Without With !!! !!! !!! !! !! ! ! ! !!! !!! !!! !! !! ! ! ! Interruptibility Without With

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Interruptibility Without With Prioritization Without With !!! !!! !!! !! !! ! ! ! !!! !!! !!! !! !! ! ! !

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Interruptibility + Prioritization ! !!! ! !!!

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High Priority Renders Low Priority Renders ● Synchronous ● Blocking ● Non-interruptible ● Interrupt low priority renders ● Asynchronous ● Non-blocking ● Interruptible ● Run after high priority renders

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Low Priority Renders ● Asynchronous ● Non-blocking ● Interruptible ● Run after high priority renders High Priority Renders ● Synchronous ● Blocking ● Non-interruptible ● Interrupt low priority renders

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High Priority Renders ● Synchronous ● Blocking ● Non-interruptible ● Interrupt low priority renders Low Priority Renders ● Asynchronous ● Non-blocking ● Interruptible ● Run after high priority renders

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Concurrent Rendering ~ Branching Workflow

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Concurrent Rendering ~ Branching Workflow

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Concurrent Rendering ~ Branching Workflow

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Concurrent Rendering ~ Branching Workflow

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Concurrent Rendering ~ Branching Workflow

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Using Concurrent Features

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Without Concurrent Features

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With Concurrent Features

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Without Concurrent Features

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With Concurrent Features

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Rendering Lifecycle

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Rendering Lifecycle

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Rendering Lifecycle

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Rendering Lifecycle

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Rendering Lifecycle

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Rendering Lifecycle

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Rendering Lifecycle

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Rendering Lifecycle

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Rendering Lifecycle

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Rendering Lifecycle

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https://blog.codeminer42.com/everything-you-need-to-know-about -concurrent-react-with-a-little-bit-of-suspense/ Everything You Need to Know About Concurrent React

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Thanks! Links (Slides, Social Media, etc)