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CONTRIBUTING.md

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How to contribute

Linting

  • yarn run lint

TypeChecking

  • yarn typecheck

Running the scripts

  • yarn sync
  • yarn build

See below for more details about what these scripts do.

Updating the icons in flight-icons

Whenever there is an update to the Flight Icons library in Figma (e.g. a new icon is added), these changes need to be transferred to code. This means updating the flight-icons package and then releasing it to the npm registry, which other tools and projects can use.

We have developed a set of custom Node.js scripts to create a single pipeline for this purpose. The pipeline can be run manually on your local machine or via a GitHub Action.

With either approach, it will be necessary to add a commit creating a changeset entry via the instructions in our readme. The changeset needs to be applied only to the @hashicorp/flight-icons version (typically a new icon or a significant change to an existing icon is considered a minor change, a breaking change is always considered a major, while for a small update to an icon a patch is OK). No need to bump also the version of ember-flight-icons: changesets takes care of everything from there (see for example this previous export).

Automated process

Run the Sync & Build Icons action on the Actions tab in GitHub to create a PR with the updated icons automatically.

flight-icons-auto-action

Manual process

Before you run the scripts

  • Make sure you have:
    • done the initial setup of the project (see details above)
    • added the Figma token to your environment (see details below)
  • Make sure your local main branch is up to date
  • Create a custom branch from main.

Sync

The "sync" step exports the assets from Figma and saves them in the project. You can find the code that relates to this step in the file /scripts/sync.ts.

To run this script launch the following commands in your CLI (while in the flight-icons folder):

yarn sync

This action will:

  • Retrieve the assets metadata from Figma via REST API
  • Export the assets as .svg files into ./svg-original/
  • Generate the catalog.json file

🚨 Notice: it's not uncommon that when doing a sync you will find that some SVGs of the icons appear as "modified" in the codebase even if they have not been really changed by the designers. The reasons can be different: Figma has slightly changed the algorithm that generates the SVGs in output, or the designer changed the order of the icons in the frame, or maybe just Figma changing by a sub-pixel the internal path of an SVG element. In these cases it's hard to detect if this change is OK or not. You have to try to understand if it's expected or not, and if you want to be 100% sure you have to compare the SVGs (old and new) importing them in Figma and overlaying one on top of the other and eyeball if there are differences.

Build

The "build" step takes the assets exported from Figma, optimize and process them, and saves the final SVG files in the bundles that will be published as npm package. You can find the code that relates to this step in the file /scripts/build.ts.

To run this script use the following command in your CLI (while in the flight-icons folder):

yarn build

This action will:

  • Optimize the SVG files and save then in a temp folder
  • Process the optimized SVG files and save then in the svg folder as standalone SVG files
  • Process the optimized SVG files and save then in the svg-sprite folder as SVG sprite within a JavaScript module

After you have run the scripts

  • Check the git diff:
    • if you see only the lastRunTimeISO value changed in the catalog.json file it means there are no updated to the icons, so there's no need to commit the changes.
    • if there were changes to the icons, you will see changes to the catalog.json file and to the content of the svg and svg-sprite folders.
  • Commit and push the changes, then submit a pull request in GitHub.
  • Once approved and merged to the main branch, you can proceed to the release phase.

Releasing a new npm version of the package

Follow the instructions for Changesets in the root README.

Figma Token

To access the Figma file via REST API is necessary to have a special authentication token. This token is personal, should not be shared or committed to the repo.

To create your personal access token, open Figma and go into Account > Personal access tokens and create one for yourself.

Next, add a .env file in the packages/flight/flight-icons directory, to which you will add the variable:

FIGMA_TOKEN=###

where ### is your personal access token. You can use the .env.template file you find in the repository as model, if you want.

IMPORTANT: the .env file is ignored by git, and should not be committed to the repository.

Once you've done the initial setup, there are distinct steps in the process to follow to update the icons.