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How To Make A Collapsible Sidebar In Framer

How To Make A Collapsible Sidebar In Framer

Apr 3, 2024

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5 min read

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How To Make A Collapsible Sidebar In Framer
How To Make A Collapsible Sidebar In Framer
How To Make A Collapsible Sidebar In Framer

Introduction


I recently developed a code override to create a collapsible sidebar in Framer.


The override also uses cookies to make the component “remember” its state (closed/open) as you navigate the website.


But when I decided to release it for free, I quickly realised that using it was far from intuitive.


So here I am writing a guide on properly setting it up. I suggest you follow along so you don’t miss any critical steps.


Don’t forget to grab the free sample project, and let’s get started!


1. Create A Sidebar


The first step is to create a sidebar and make it a component.


If, like me, you want to make the current page stand out with a different styling, you’ll have to create a different variant for each page you have.


Then, you’ll have to duplicate the number of variants to create a collapsed state (for each page).


Finally, you’ll create a version that works on mobile devices.


For example, in the sample project I’ve created, we have five pages and eleven different navbar variants:

  • Five for the “open” state (one for each page)

  • Five for the “closed” state (one for each page)

  • One for mobile devices.


How to set up the sidebar component


Once you set up your navbar, it’s time to move on to the next step.


2. Create a Collapsible Sidebar


Now that you have your sidebar in place, it’s time to create the collapsible sidebar component.


To do that, create a component that wraps the navbar and adds a small button to collapse/expand it.


This new component will only have three different variants:

  • One for the “open” state.

  • One for the “closed” state.

  • And one for the mobile view.


How to set up the collapsible sidebar component


Then, create two variables that you’ll use to choose which variant of the sidebar you want. You have to make two and not one because the variant for the “open” state will be different from the variant for the “closed” state.


Lastly, add a tap interaction to the button to switch between the “open” and the “closed” state.


If you’ve done everything right, you should now have a functional collapsible sidebar. However, the major problem is that it doesn’t remember its previous state when you change the page.


So, if the user closes it and then changes the page, it will return to the “open” state.


And here’s where the code override comes in.


3. Add The Code Override


Now that we have finished the setup, it’s time to add the code override to make the component remember its state as you navigate the website.


Add a code override to your project and name it whatever you like. In my example, I’ve called it “cookie”.


Then, paste in this code:


import type { ComponentType } from "react"
import { useState, useEffect } from "react"

//Check the saved cookie and set the variant accordingly
export function withCookie(Component): ComponentType {
    return (props) => {
        let isOpen = true
        if (
            typeof document !== "undefined" &&
            document.cookie.split("; ").find((row) => row.startsWith("isOpen="))
        ) {
            //the cookies has already been set
            const isOpenStr = document.cookie
                .split("; ")
                .find((row) => row.startsWith("isOpen="))
                ?.split("=")[1]
            isOpen = isOpenStr === "true"
        }

        return <Component {...props} variant={isOpen ? "Open" : "Closed"} />
    }
}


//Add an handler to toggle the value stored in the cookie
export function withHandler(Component): ComponentType {
    return (props) => {
        const handleClick = () => {
            //check previous state
            let isOpen
            if (typeof document !== "undefined") {
                const isOpenStr = document.cookie
                    .split("; ")
                    .find((row) => row.startsWith("isOpen="))
                    ?.split("=")[1]
                isOpen = isOpenStr === "true"
            }
            //set new cookie
            const today = new Date(Date.now())
            let expiryDay = new Date()
            expiryDay.setDate(today.getDate() + 365)
            document.cookie = `isOpen=${!isOpen}; expires=${expiryDay.toUTCString()}; SameSite=None; Secure`
        }

        return <Component {...props} onClick={handleClick} />
    }
}


This code override has two functions:

  • withCookie

    → This function reads the browser cookies to see if there’s a saved state. If there is, it will switch to the correct variant accordingly.

    → We will apply this function to the entire component (collapsible sidebar).

  • withHandler

    → This function is triggered when the user clicks the button, and it toggles the saved state in the cookie (if there’s none, it creates a new entry).

    → We will apply this function to the button that makes the sidebar collapse/expand.


Now, return to the canvas and apply the “withCookie” function to the entire component and the “withHandler” function to the button inside it.


apply the withHandler function to the button that collapses/expands the navbar


You’ll have to set the “withCookie” function for every component instance. This means you’ll need to repeat the process for every page you have.


Add the override to every instance of the collapsible navbar


Everything should now be working perfectly.


But before you go, there’s one last thing you need to do.


4. Make It Responsive


There’s a small problem with this setup. You can’t use the same instance for the desktop and mobile breakpoints.


If you try to do it, it will look good on the canvas. However, it will break it as soon as you publish it.


For that reason, you must use a different instance for smaller breakpoints.


All you have to do is add another collapsible sidebar (do not apply the code override to this one) and show it only on tablet or mobile. At the same time, show only the desktop one on bigger devices.


And voilà! You now have a perfectly functional collapsible sidebar.


Thanks for reading!


- Luca

Luca Da Corte
Luca Da Corte

Luca Da Corte is a certified Framer Expert and SEO specialist with over two years of experience. He's also the founder of clicks.supply, one of the biggest collections of Framer templates, components, and resoruces.

Luca Da Corte is a certified Framer Expert and SEO specialist with over two years of experience. He's also the founder of clicks.supply, one of the biggest collections of Framer templates, components, and resoruces.

Table Of Contents:

Introduction
1. Create A Sidebar
2. Create a Collapsible Sidebar
3. Add The Code Override
4. Make It Responsive

Table Of Contents:

Table Of Contents:

Introduction
1. Create A Sidebar
2. Create a Collapsible Sidebar
3. Add The Code Override
4. Make It Responsive

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