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Author SHA1 Message Date
James Russo 21cb722ebd refactor(core): unify composition contract (#2157) 
* refactor(core): unify composition contract

* fix(parsers): parse start expressions linearly
 2026-07-16 02:44:22 -04:00
Miguel Ángel cdf9c817e1 refactor: extract @hyperframes/parsers from core (#1755) 
## Summary

Extracts the GSAP parser/writer suite, HTML parser, hf-ids, spring-ease, and the shared composition data types out of `@hyperframes/core/src/parsers/` into a new, independently-publishable **`@hyperframes/parsers`** package.

This is the foundation of the [#1749](https://github.com/heygen-com/hyperframes/issues/1749) effort: make HyperFrames' parsing/linting/validation usable as plain libraries in a Node app, without shelling out to the CLI. Parsers is the standalone base every other extracted package builds on.

**Part 1 of 3** — splits #1754 into independently-reviewable pieces. Parts 2 (lint) and 3 (studio-server) stack on this branch.

## What moves

| | |
|---|---|
| Source moved out of core | **~9,900 LOC** (`src/parsers/` → `packages/parsers/src/`) |
| Total lines removed from core (incl. tests + goldens) | ~19,600 |
| Files relocated | 39 |
| Tests carried over | **660 passing** (5 skipped, 3 todo) |

The big movers: `gsapParser` / `gsapParserAcorn` (the recast + acorn dual parsers), `gsapWriterAcorn`, `gsapSerialize`, `gsapUnroll`, `htmlParser`, `hfIds`, `springEase`, `stableIds`, plus the `__goldens__` corpus.

## Bundle footprint of the new package

| Artifact | Size |
|---|---|
| `dist/` (unpacked) | 1.7 MB |
| npm tarball (packed) | 409 KB |
| `dist/index.js` | 90 KB (**~21 KB gzipped**) |
| Heaviest entries | `gsapWriterAcorn.js` 93 KB · `gsapParser.js` 91 KB |

Most of the weight is the GSAP AST machinery (recast/babel/acorn). It's tree-shakeable via subpath entries (`@hyperframes/parsers/hf-ids`, `/gsap-constants`, etc.) so a consumer that only needs `hf-ids` (2 KB) doesn't pull the parsers.

## How `@hyperframes/core` changes

The interesting part: **core sheds its entire AST toolchain.**

| core `dependencies` | before | after |
|---|---|---|
| count | 9 | 6 |
| removed | — | `@babel/parser`, `acorn`, `acorn-walk`, `magic-string`, `recast` |
| added | — | `@hyperframes/parsers`, `linkedom` |

Before this PR, importing `@hyperframes/core` at all dragged in babel + recast + acorn just to construct types. Now those live behind `@hyperframes/parsers`, and a consumer that only wants core's runtime/compiler types never resolves the parser stack. Core keeps thin `@deprecated` re-export stubs at the old subpaths (`@hyperframes/core/gsap-parser`, `/gsap-constants`, …) so nothing downstream breaks.

## Design notes

- **`"bun"` export condition before `"node"`** in every package export. Bun resolves the TypeScript source directly (no pre-built `dist/`), while Node/tsx/Docker contexts fall through to `"node"` → `dist/`. This keeps the dev loop zero-build while published artifacts stay Node-consumable.
- `@hyperframes/parsers` is **standalone** — zero `@hyperframes/*` dependencies — so it can be the base of the stack.

## Test plan

- [x] `bun run --filter @hyperframes/parsers test` — 660 tests pass
- [x] `bun run --filter @hyperframes/sdk test` — 382 tests pass
- [x] `bun run build` — full monorepo build succeeds
- [x] Fallow audit passes on CI
 2026-06-27 00:46:26 -04:00
Vance IngallsandClaude Opus 4.8 967bf9f9ed refactor(core): gate acorn GSAP writer behind cutover flag; keep recast default (WS-3F) (#1573) 
* refactor(core): retire recast/babel, route all GSAP mutations to acorn (WS-E/3.F)

- Delete gsapParser.ts (2595-line recast-based parser/writer)
- Delete gsapParser.test.ts, gsapParser.stress.test.ts, gsapParser.test-helpers.ts
- Add gsapParserExports.ts: re-export umbrella for gsap-parser subpath
- Move SplitAnimationsOptions/SplitAnimationsResult to gsapSerialize.ts
- executeGsapMutation: async->sync, static acorn imports replace loadGsapParser()
- Fix 3 function name mismatches in files.ts switch cases
- generators/hyperframes.ts: imports from gsapSerialize (blocker resolved)
- gsapWriterAcorn.ts: SplitAnimationsOptions from gsapSerialize
- Parity tests: recast oracle removed; acorn-only regression (14 pass)
- Remove recast and @babel/parser from core/package.json

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* fix(sdk): harden mutation handlers + widen variable API (code-review)

Self-contained review fixes for the SDK-hotspot stack (#1569–#1573). The
dispatch path (_dispatch → applyOp) never runs validateOp, so the new
WS-D/WS-3.C guards were advisory-only; re-enforce them in the handlers.

- addElement: null-guard the resolved parent (no more `as Element` masking a
  null → crash on unknown parent id); reject <script> and multi-root fragments
  via parseInsertableFragment instead of inserting raw markup / silently
  dropping extra roots.
- addWithKeyframes / replaceWithKeyframes: bail on empty keyframes (no
  degenerate `keyframes: {}` tween) and when the animationId resolves to
  nothing (no silent degrade-to-add leaving a duplicate tween).
- isObjectVariableValue: exclude arrays so an array override value can't be
  misclassified as a font/image object and written into the variable model.
- Composition.setVariableValue: widen the public interface signature to
  `… | FontValue | ImageValue` to match the impl + EditOp (B2 object-valued
  variables were unreachable via the typed API).
- mutate.gsap.test.ts: import addKeyframeToScript from gsap-writer-acorn —
  the gsap-parser subpath no longer re-exports write fns after recast retire,
  so the test threw at runtime (red suite).
- Dedup: export EXCLUDED_TAGS from hfIds.ts and drop the verbatim
  HF_EXCLUDED_TAGS copy in mutate.ts.

Adds guard regression tests. SDK 340/340, core hfIds 13/13, build green,
fallow --gate new-only clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(sdk): variable-model dedup + undo/scoped-parent correctness; test honesty (code-review)

Second batch of review fixes for the SDK-hotspot stack.

- Variable model (#7, #13): extract readVariableDefault/writeVariableDefault into
  a shared engine/variableModel.ts used by both mutate.ts (forward) and
  apply-patches.ts (replay), so the model shape can't diverge. Add
  clearVariableDefault and make a `variable` remove patch DELETE the decl's
  `default` key — the exact inverse of a first-set on a default-less variable.
  Previously undo of such a set no-op'd and stranded the value.
- addElement scoped parent (#8): record the caller's id verbatim
  (scoped "hf-host/hf-leaf" path or composition id) as the patch parentId
  instead of the bare data-hf-id, so redo/replay re-resolves the SAME parent via
  resolveScoped rather than the canonical top-level dup (or document.body).
- resolveTimings honesty (#5): correct the header + test that claimed a live
  "preview == render" parity — neither path consumes the resolver yet (anchor
  inputs are Pacific/backend-deferred). It's a pure-function property, not a
  current guarantee.
- GSAP writer parity (#12): the recast oracle was deleted in WS-3.F, leaving the
  WS-3.C keyframe ops comparing acorn output to itself. Pin them as golden inline
  snapshots and drop the now-dead recast scaffolding (replaceWithKfRecast,
  removeAnimRecast alias). Remaining pre-WS-3.C parity blocks noted as follow-up.

Adds regression tests (undo of default-less variable; scoped-parent redo).
SDK 342/342, core timingResolver+parity green, build + fallow --gate new-only clean.

Not changed (need design / out of scope): #9 pre-#1569 persisted-override CSS
replay (moot for unreleased data; proper fix is render-time CSS derivation),
#11 replaceWithKeyframes stale positional id (mitigated by the missing-id no-op
guard + type doc; full fix needs non-positional ids).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* fix(sdk): replay CSS-prop derivation for legacy var overrides; stale-id selector guard (code-review)

Final review-fix batch — the two items deferred from the prior pass.

- #9 legacy variable-override CSS: applyOverrideSet now derives the `--{id}`
  CSS custom prop from any scalar `var.{id}` override on replay (and removes it
  for a null override). Sets written before the model/CSS split carried only
  `var.{id}`; without this, replaying them updated the JSON model but left
  `var(--{id})` bindings rendering the schema default. Replay-path only — the
  undo path (applyOne) is untouched, so #1569's separate-patch undo correctness
  is preserved. Object (font/image) values are never CSS, so they are skipped.
- #11 stale positional id: replaceWithKeyframes now requires the located
  animation to still target the caller's `targetSelector`. Position-derived ids
  re-point after structural edits; a stale id resolving to a DIFFERENT element's
  tween previously got silently replaced. It now bails (no-op) unless the id
  still points at the expected selector.

Adds regression tests (legacy var.{id}-only override restores CSS; object
override writes no CSS; stale-id-wrong-selector replace is a no-op).
SDK 345/345, build + fallow --gate new-only clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* refactor(core): gate acorn GSAP writer behind cutover flag; keep recast default (WS-3F)

Product decision pivot: acorn no longer replaces recast as the GSAP writer.
Recast remains the default server writer; acorn runs only when
STUDIO_SDK_CUTOVER_ENABLED=true (or =1) is set server-side — the same env
flag name as the client Vite var, so a single switch flips both sides.

Changes:
- Restore gsapParser.ts (recast writer) + test/stress/helper files deleted by 3F
- Restore @babel/parser + recast deps in packages/core/package.json
- Add isAcornGsapWriterEnabled() + loadGsapParser() to files.ts (lines 59-82)
- Split executeGsapMutation into async dispatcher + executeGsapMutationRecast
  (recast, async via loadGsapParser) + executeGsapMutationAcorn (acorn, sync)
- Dispatcher defaults to recast; acorn branch taken only when flag is on
- Restore gsapWriter.parity.test.ts, gsapWriterParity.acorn.test.ts, and
  gsapWriterParity.corpus.test.ts to true recast-vs-acorn differential suites
  (not acorn-vs-itself)
- Exempt gsapParser.ts in .fallowrc.jsonc health.ignore + ignoreExports
  (pre-existing complexity + barrel re-exports consumed outside diff scope)
- Add fallow-ignore-file code-duplication to files.ts (intentional parallel
  switch bodies for two writers)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-06-19 00:22:14 -07:00
Miguel Ángel 6f677292ae refactor(core): simplify packages/core — dead code, dedup, type safety (#1413) 
- Delete unused mediaPreloader module, 5 dead RuntimeState fields,
  emitPerformanceMetric, lintScriptUrls, 5 variable type guards
- Consolidate compiler utilities: unify CSS URL regex, relative URL
  predicate, MIME map, @import regex, bulk asset rewrite delegation
- Cache extractGsapWindows per script (eliminates 2 redundant recast
  parses per lint run), share stripJsComments and script extraction
- Deduplicate GSAP parser: share serializeValue/safeJsKey, centralize
  converted-id fallback (6 sites), keyframe codegen (3 sites),
  waypoint extraction, insert-after-anchor, script hoisting
- Replace 88 bare any annotations with typed AstNode/AstPath interfaces
- Derive RuntimeBridgeControlAction from HyperframeControlAction,
  alias RuntimePickerElementInfo, share macOS font profiler
- Gate generateHyperframesStyles on includeStyles, collapse 4 GSAP
  property mutation cases into 2
- Extract magic numbers into named constants, replace 5 double casts
  with type guards and typed accessors (runtime/globals.ts),
  reduce function complexity in htmlParser and files route
 2026-06-13 18:23:36 -04:00
Vance IngallsandClaude Sonnet 4.6 8d6b7cf515 feat(core): clip-model hf- ids minted at parse, emitted as data-hf-id (R1) (#1270) 
* feat(core): clip-model hf- ids minted at parse, emitted as data-hf-id (R1)

* docs(core): document legacy-id round-trip in clip-model readback (R1 review)

Addresses Rames' review on #1270: clarifies that a pre-R1 clip authored with
id="my-title" round-trips as data-hf-id="my-title" (non-hf-shaped but stable,
exact-match) by design — targeting uses exact [data-hf-id="…"] match and does
not require the hf- shape; legacy values re-mint only at the R7 write-back. Not
a bug. Comment-only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

* docs(core): fix misleading legacy-id migration comment in htmlParser.ts

The original comment said legacy data-hf-id values "are re-minted only
once the R7 write-back persists freshly-minted ids to source" — which is
incorrect. ensureHfIds skips elements that already carry data-hf-id, so
legacy values (e.g. data-hf-id="my-title") persist indefinitely and are
NOT automatically re-minted. Exact-match targeting still works correctly.
Update comment to reflect actual behaviour.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* test(core): update htmlParser tests for R1 hf- id minting

Pre-R1 tests expected clip ids to reflect legacy `id=` attributes.
After R1, ensureHfIds runs first and mints data-hf-id — so clip.id
reflects the minted hf- value unless the element already has data-hf-id.

Fix: add explicit data-hf-id to test HTML elements where tests assert
specific id values. Update no-id test to expect hf- format (/^hf-[a-z0-9]{4}$/)
instead of the pre-R1 generated-id fallback (/^element-\d+$/).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
 2026-06-09 00:19:31 -07:00
Vance Ingalls 20be2ea1c2 style: apply oxfmt baseline formatting across all source files (#25) 
## Summary
- Run `oxfmt .` across the entire codebase to establish formatted baseline
- 299 files changed — mechanical formatting only, no logic changes
- Double quotes, semicolons, 2-space indent, trailing commas, 100 print width

Part 3/4 of [VA-851](https://linear.app/heygen/issue/VA-851/pre-migration-configure-eslint-prettier-and-conventional-commits)

## Test plan
- [x] `pnpm format:check` — all 426 files pass
- [x] `pnpm -r typecheck` — all packages pass
- [x] `pnpm build` — all packages build
- [x] All 348 tests pass
 2026-03-23 17:15:14 -07:00
Vance Ingalls 323ff8f860 fix: resolve oxlint errors across codebase (#24) 
## Summary
- Remove 5 unused `beforeEach` imports from test files
- Remove unused imports (`existsSync`, `TimelineCompositionElement`)
- Remove unused destructured variables (`options`, `width`, `height`, `goldenEl`)
- Remove dead `formatDuration` function
- Fix unused catch parameters (`catch (err)` → `catch`)
- Prefix unused `renderError` state with `_`
- Add `eslint-disable-next-line` for 2 React exhaustive-deps false positives (stable ref + zustand setter)

Part 2/4 of [VA-851](https://linear.app/heygen/issue/VA-851/pre-migration-configure-eslint-prettier-and-conventional-commits)

## Test plan
- [x] `pnpm lint` — 0 errors on 193 files
- [x] All 348 tests pass (core + engine)
 2026-03-23 16:41:41 -07:00
Vance IngallsandClaude Opus 4.6 9f8e5ba5a1 initial code (#2) 
* feat: initial code port from hyperframes-internal

Port all OSS-ready packages from the internal monorepo:
- @hyperframes/core — shared types, HTML generation, GSAP utilities, runtime
- @hyperframes/cli — CLI for creating, previewing, and rendering compositions
- @hyperframes/engine — framework-agnostic rendering engine (BeginFrame + FFmpeg)
- @hyperframes/producer — video rendering pipeline (Puppeteer + FFmpeg)
- @hyperframes/ui-player — browser-based video player component
- @hyperframes/studio — composition editor (React frontend + Hono backend)

Includes regression test suite with Docker-based test harness.

All HeyGen-internal references, deployment infrastructure, and
proprietary assets have been removed. Package names migrated
from @app/* to @hyperframes/*.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: scrub internal codenames and stale references from OSS port

- Replace static.heygen.ai runtime URLs in test fixtures
- Remove internal CDN publish script (publish-hyperframe-runtime.ts)
- Replace sandbox-studio, sandbox-interceptor, __magicEditRuntime
  with neutral names (studio, hyperframe-runtime, __hyperframeRuntime)
- Fix stale Vault API / localhost references in docs
- Remove broken deprecated_studio link

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: remove remaining internal codenames and stale references

- Delete stale producer README.md and PIPELINE.md (referenced nonexistent files)
- Replace "Cerberus" codename with "HyperFrames" in test design reviews
- Replace magic-edit postMessage identifiers with hf-preview/hf-parent
- Rename debug-magic-edit-timeline.ts to debug-timeline.ts
- Replace "Motion Cut" with "HyperFrames" in Timeline comments
- Fix studio/CLI references to nonexistent archive package
  (use local data/projects/ dir, stub render proxy)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-21 22:43:56 -07:00