VAGOV-TEAM-97909: Form Builder Theme

[ryguyk]

Description

This PR implements the beginning of a Form Builder theme. It does a few things:

1. Defines a Form Builder library.
2. Creates a base Form Builder css file and connects it to the library.
3. Imports external VADS token css from UNPKG.
4. Attaches the two css files from the above two steps to all Form Builder pages.

Note that this PR does not do much to actually implement the design via css. It only sets things up to be able to do that in later work. For now, the only visible change (to prove this works) is to set the font-family at the page level. As seen in the below screenshots, the font was previously sans-serif and is now serif.

Relates to department-of-veterans-affairs/va.gov-team#97909

Testing done

• Unit test added to confirm css files are being attached to the form pages.
• Manually inspected page to confirm expected css is applied.

Screenshots

Before

After

QA steps

1. Load any Form Builder page
   • Confirm that the font is a serif font.
   • Inspect an element and confirm, specifically, that the css definition is:

   .va-gov-form-builder-page-container {
       font-family: var(--font-family-serif);
   }
   

Definition of Done

• Documentation has been updated, if applicable.
• Tests have been added if necessary.
• Automated tests have passed.
• Code Quality Tests have passed.
• Acceptance Criteria in related issue are met.
• Manual Code Review Approved.
• If there are field changes, front end output has been thoroughly checked.

Select Team for PR review

• CMS Team
• Public websites
• Facilities
• User support
• Accelerated Publishing
• Form Engine

Is this PR blocked by another PR?

• [] DO NOT MERGE

Does this PR need review from a Product Owner

• Needs PO review

CMS user-facing announcement

Is an announcement needed to let editors know of this change?

• Yes, and it's written in issue ____ and queued for publication.
  • Merge and ping the UX writer so they are ready to publish after deployment
• Yes, but it hasn't yet been written
  • Don't merge yet -- ping the UX writer to write and queue content
• No announcement is needed for this code change.
  • Merge & carry on unburdened by announcements

[github-actions]

GitHub Workflows (.github/workflows/*.yml)

Have you...

• pinned all affected GitHub Actions at a specific commit by SHA?
• reviewed the source code of the action at the commit you are pinning?
• confirmed that no GitHub security measures are being bypassed?
• checked for any injection of user content into protected contexts?
• reviewed Security hardening for GitHub Actions?
• reviewed GitHub Workflows?

[github-actions]

Checking composer.lock changes...

[derekhouck]

LGTM. I verified the theme is applied and the VADS token stylesheet is being imported.

[github-actions]

Checking composer.lock changes...

[github-actions]

Checking composer.lock changes...

[va-cms-bot]

Cypress Accessibility Violations

/test-data-beatae

ID: button-name
Impact: critical
Tags: cat.name-role-value, wcag2a, wcag412, section508, section508.22.a, ACT, TTv5, TT6.a
Description: Ensures buttons have discernible text
Help: Buttons must have discernible text
Nodes:

• HTML: <button class="proofing-element-help" role="tooltip" data-proofing-help-title="About 'Page introduction' field" data-proofing-help="Add an introduction that helps visitors understand if information on the page is relevant to them."> <span aria-hidden="true">i</span> </button>
  Impact: critical
  Target: .field--name-field-intro-text-limited-html > .field__label > .proofing-element-help[role="tooltip"]
  Summary: Fix any of the following:
  Element does not have inner text that is visible to screen readers
  aria-label attribute does not exist or is empty
  aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty
  Element has no title attribute
  Element's default semantics were not overridden with role="none" or role="presentation"

• HTML: <button class="proofing-element-help" role="tooltip" data-proofing-help-title="About 'Generate a table of contents from major headings' field" data-proofing-help="By checking this box, all h2's below this point on the page will be linked with with anchor links. This helps users navigate content on very long pages. Do not check this box unless there is at least 2 h2's on the page.">
  Impact: critical
  Target: .field--name-field-table-of-contents-boolean > .field__label > .proofing-element-help[role="tooltip"]
  Summary: Fix any of the following:
  Element does not have inner text that is visible to screen readers
  aria-label attribute does not exist or is empty
  aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty
  Element has no title attribute
  Element's default semantics were not overridden with role="none" or role="presentation"

• HTML: <button class="proofing-element-help" role="tooltip" data-proofing-help-title="About 'Main content' field" data-proofing-help="The main body of the page, which appears below the featured content."> <span aria-hidden="true">i</span> </button>
  Impact: critical
  Target: button[data-proofing-help-title="About 'Main content' field"]
  Summary: Fix any of the following:
  Element does not have inner text that is visible to screen readers
  aria-label attribute does not exist or is empty
  aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty
  Element has no title attribute
  Element's default semantics were not overridden with role="none" or role="presentation"