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README.md

Figma to React Converter

This demonstrates using the Figma REST API to convert a Figma document to React Components. Disclaimer: this code is likely incomplete, and may have bugs. It is not intended to be used in production. This is simply a proof of concept to show what possibilities exist.

API Usage

We use 2 endpoints in this project:

  • GET /v1/files/:file_key - Get the JSON tree from a file. This is the main workhorse of this project and lays the skeleton of the React Components.
  • GET /v1/images/:file_key - When we identify nodes that are vectors or other nodes that can't directly be represented by divs, we have to render them as svgs.

Set up

  1. Install Node. You'll need a recent version that supports async / await
  2. In this directory, run npm install
  3. Run the converter per instructions below

Usage

By default this project comes with a prerendered component in src/figmaComponents.js. You can see a page that uses this component if you run npm start. This will start a React server and a webpage will open to the root page. This webpage will automatically refresh as you make changes to the source documents. To follow along with the example component, the source Figma file is located here.

When we run the converter, we will convert any top level frames in the document to React Components as long as their name starts with #. In the example document you can see that we have one top level frame named #Clock. The component resulting from this will be exported in src/figmaComponents.js as MasterClock, a React.PureComponent.

In addition, any node with a name starting with a # will have a code stub generated for it in src/components. These code stubs can be modified to affect the rendering of those components as well as modifying variables within the component (see variables section below).

To run the converter on a file, you will need a personal access token from Figma. Refer to the Figma API documentation for more information on how to obtain a token. The other piece of information you will need is the file key of the file you wish to convert, which is located in the file's URL (for example, this is VGULlnz44R0Ooe4FZKDxlhh4 for the example file). So, an example conversion would look like:

node main.js VGULlnz44R0Ooe4FZKDxlhh4 <API_TOKEN_HERE>

where <API_TOKEN_HERE> would be repaced with your developer token.

You can also change the .env file and insert your token there

//.env  
DEV_TOKEN=<YOUR_TOKEN>

then you only need to pass the project id

node main.js VGULlnz44R0Ooe4FZKDxlhh4

IMPORTANT: The index.css file is required to be included for components to render completely.

Variables

The real vision of this converter is to separate design concerns from coding concerns. Toward this end, we introduce the concept of variables in Figma. Variables in a Figma file are denoted by text nodes (this can be expanded in the future) with names starting with $. In the example document there are three variables: $time, $seconds, and $ampm. By setting state in the component stubs defined in src/components, we can change the text of the variable nodes. For an example, take a look at src/components/CClock.js. This allows us to change the design of a component without touching the code at all.

Why React?

This particular example uses React since it was convenient. There is no reason that the same logic couldn't be applied to any other frontend framework.

Examples

Here's an example of using Figma to React to update the style on a sortable list:

duck-list

Here's an example of using Figma to React to attach code to a component dragged in from the Team Library:

clock

Credits

This repo contains the service worker code from React.

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