iframe-manager-extension Svelte Themes

Iframe Manager Extension

A Webflow Designer Extension App that allows you to inject and manage 3rd party embed links (iframes)

iframe Manager

A Webflow Designer Extension App that allows for managing and creating custom DOM <iframe> elements on a Webflow page in the Designer. This is useful for when you need to manage 3rd party embed products on a page. This app uses the v2 Designer APIs below.

Designer Extension APIs v2

This app is built with SvelteKit (Svelte+Vite)

Try it out

Want to run this extension on your own Webflow site? Follow the steps below for registering a Webflow app on your site.

  1. Register an app in your workspace
    • When selecting building blocks, you only need to check Designer extension (Designer API), you won't need Data client (REST API) for this example
  2. Install the registered app to a Webflow site in your workspace
  3. Follow the local development section below to run the app on your localhost
  4. Once you've installed the app onto your site, you should be able to Launch the development app in the Designer
    • Ensure the Development URL is set to http://localhost:1337/
  5. Now you can start inserting iframe content, or managing your existing iframe attributes from within the app.

Local development

Want to run the app locally to try out the app yourself, or maybe experiment with changing the code?

Prerequisites

  • Installed Git
  • Installed Node and npm
  • To test on a Webflow site:
    • Create an account on Webflow or login
    • Set up a Webflow site on a workspace

Run the app

  1. Inside a terminal/shell, clone (make a copy of) the repository to your local machine and navigate inside it
git clone https://github.com/Webflow-Examples/iframe-manager-extension.git

cd iframe-manager-extension
  1. Run npm i at the root of this project to install dependencies

  2. Run npm run dev to start up the Vite build and serve it at http://localhost:1337 (this port is default)

  3. Now you can open this Designer Extension app in Webflow to test, or you can make code changes

    • Note that if you make code changes to the .svelte files, you'll need to "refresh" the Designer Extension within Webflow to see any changes reflect

Project setup

This project is a small-scale example, but see below to learn more about what logic lives in what files:

  • src/ - Where all the app logic lives
    • routes/ - Where all pages live, but there's only one page in this app
      • +page.svelte - Top level JS + HTML that make up the app UI
      • CreateModal.svelte - Component for creating and injecting an iframe into the page
      • EditAttributesModal.svelte - Component for editing existing iframe attributes and saving it back to the element on the page
      • IFrameTypes.d.ts - Centralized file for some custom Typescript types
      • styles.css - Where all the styles live for this app
    • app.html - The entry HTML file when the app gets loaded. This loads all the markup in +page.svelte
  • package.json - Lists all dependencies for the app
  • webflow.json - Configuration for Designer Extension app, including which version of APIs to use, the name of the extension, and the initial size the app should take up on the Designer UI

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