Contribute to HyperFrames Registry

Guide the user from idea to merged PR for a new registry block or component.

Workflow

1. Clarify → 2. Scaffold → 3. Build → 4. Validate → 5. Preview → 6. Ship

Step 1: Clarify

Ask what they're building. The registry has two item types:

Block (registry/blocks/, type hyperframes:block) — a full standalone composition with fixed dimensions and duration. Caption styles, VFX effects, title cards, lower thirds.
Component (registry/components/, type hyperframes:component) — a reusable snippet with no fixed dimensions or duration. CSS effects, text treatments, overlays that adapt to any composition size.

Then ask:

One-sentence description of the effect
Visual reference (URL, screenshot, or description)
Who uses this and when?

Step 2: Scaffold

Create the registry structure:

For blocks:

registry/blocks/{block-name}/
  {block-name}.html
  registry-item.json

For components:

registry/components/{component-name}/
  {component-name}.html
  registry-item.json

Naming convention:

Item name	ID prefix	Example IDs
`cap-hormozi`	`hz`	`hz-cg-0`, `hz-cw-3`
`cap-typewriter`	`tw`	`tw-cg-0`, `tw-ch-0-5`
`vfx-chrome`	`vc`	`vc-canvas`

Use a 2-3 letter prefix. ALL element IDs must use this prefix to avoid collisions in sub-compositions.

registry-item.json for blocks:

{
  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
  "name": "{block-name}",
  "type": "hyperframes:block",
  "title": "{Human Title}",
  "description": "{one sentence}",
  "dimensions": { "width": 1920, "height": 1080 }, // adjust: 1080x1920 for portrait/social
  "duration": 10, // adjust for your composition
  "tags": ["{category}", "{subcategory}"],
  "files": [
    {
      "path": "{block-name}.html",
      "target": "compositions/{block-name}.html",
      "type": "hyperframes:composition"
    }
  ]
}

registry-item.json for components (no dimensions or duration):

{
  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
  "name": "{component-name}",
  "type": "hyperframes:component",
  "title": "{Human Title}",
  "description": "{one sentence}",
  "tags": ["{category}"],
  "files": [
    {
      "path": "{component-name}.html",
      "target": "compositions/components/{component-name}.html",
      "type": "hyperframes:snippet"
    }
  ]
}

Step 3: Build

Apply the correct template based on type. See templates.md for copy-paste starters.

Caption blocks

Non-negotiable caption rules:

Font: 96px minimum for proportional fonts. 64-72px acceptable for monospace (wider characters need less size).
Readability: -webkit-text-stroke: 2-3px OR multi-layer text-shadow
Overflow: call window.__hyperframes.fitTextFontSize() on every group
Karaoke: highlight active word via tl.to(wordEl, { color/scale }, WORDS[wi].start)
Hard kill: tl.set(groupEl, { opacity: 0, visibility: "hidden" }, g.end) on EVERY group
Never use tl.from(el, { opacity: 0 }) at the same position as tl.set(el, { opacity: 1 }) — the from clobbers the set. Use tl.to instead.

Per-character animation (typewriter, scramble):

Wrap each character in <span> with ID {prefix}-ch-{group}-{char}
Stagger via tl.set at computed intervals from word timestamps
Cursors/decorative elements: use tl.set at intervals — NOT CSS animation (not seekable)

Positioning variants:

Centered: display: flex; align-items: center; justify-content: center;
Lower-third: position: absolute; bottom: 100px; left: 0; width: 100%; text-align: center;
Left-aligned: position: absolute; bottom: 100px; left: 120px; text-align: left;

VFX blocks (Three.js)

Use [email protected] from CDN (global script)
tl.eventCallback("onUpdate", renderScene); renderScene(); — NO requestAnimationFrame
State proxy pattern: GSAP animates plain JS object, render function reads it
Seeded PRNG (mulberry32) for randomness

All types

data-composition-id MUST match window.__timelines["id"]
All element IDs prefixed with block abbreviation
gsap.timeline({ paused: true }) — always paused
No Math.random(), no Date.now()

Step 4: Validate

hyperframes lint                    # 0 errors required
hyperframes validate --no-contrast  # 0 console errors required

Step 5: Preview

# Render preview video
hyperframes render -o preview.mp4

# Snapshot for visual QA
hyperframes snapshot --at "1.0,3.0,5.0,7.0"

# Publish to hyperframes.dev for review
npx hyperframes publish

Catalog preview image — The catalog card uses a PNG at docs/images/catalog/{kind}/{name}.png (where {kind} is blocks or components). Generate it from a snapshot, then:

HeyGen internal contributors: run scripts/upload-docs-images.sh (requires AWS profile engineering-767398024897)
External contributors: attach the preview MP4 to your PR description. A maintainer will generate and upload the catalog image before merging.

Step 6: Ship

All steps are required. Missing any one produces a broken catalog entry.

{kind} is blocks or components depending on what you built in Step 1.

# 1. Create branch
git checkout -b feat/registry-{name}

# 2. Format HTML
npx oxfmt registry/{kind}/{name}/*.html

# 3. Update registry/registry.json — add entry to the "items" array:
#    { "name": "{name}", "type": "hyperframes:block" }  (or "hyperframes:component")

# 4. Generate catalog docs page
npx tsx scripts/generate-catalog-pages.ts

# 5. Publish to hyperframes.dev so reviewers can preview
npx hyperframes publish

# 6. Stage everything
git add registry/{kind}/{name}/ registry/registry.json docs/catalog/

# 7. Commit
git commit -m "feat(registry): add {name} — {one sentence}"

# 8. Push and open PR with hyperframes.dev link
git push origin feat/registry-{name}
gh pr create --title "feat(registry): {name}" --body "preview: {hyperframes.dev-url}"

If you don't have a GitHub account: you need one to open a PR. Sign up at https://github.com/signup, then run gh auth login.

Quality Gate

hyperframes lint → 0 errors
hyperframes validate → 0 console errors
npx oxfmt --check passes
registry/registry.json updated with new entry
scripts/generate-catalog-pages.ts run (docs page generated)
npx hyperframes publish run (claim your project URL)
Preview MP4 attached to PR (external) or catalog PNG uploaded (internal)
All IDs unique and prefixed

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