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refactor(core): unify composition contract (#2157)

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* refactor(core): unify composition contract

* fix(parsers): parse start expressions linearly
This commit is contained in:
James Russo
2026-07-16 02:44:22 -04:00
committed by GitHub
parent 9ed255c0ef
commit 21cb722ebd
36 changed files with 1148 additions and 441 deletions
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packages/core/src/runtime/timeline.ts
+5
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@@ -10,6 +10,8 @@ import { readElementPlaybackRate } from "./media";
import { resolveCssStackingContextId } from "./stackingContext";
import { createRuntimeStartTimeResolver } from "./startResolver";
import { isSceneLikeCompositionId } from "../slideshow/index.js";
import { COMPOSITION_CONTRACT_VERSION } from "../compositionContract.js";
import { runtimeProtocolMetadata } from "./protocol.js";
const AUTHORED_DURATION_ATTR = "data-hf-authored-duration";
const AUTHORED_END_ATTR = "data-hf-authored-end";
@@ -630,8 +632,11 @@ export function collectRuntimeTimelinePayload(params: {
? Number.POSITIVE_INFINITY
: Math.max(1, Math.ceil(safeDuration * Math.max(1, params.canonicalFps)));
return {
...runtimeProtocolMetadata(params.canonicalFps),
source: "hf-preview",
type: "timeline",
compositionContractVersion: COMPOSITION_CONTRACT_VERSION,
durationSeconds: shouldEmitNonDeterministicInf ? Number.POSITIVE_INFINITY : safeDuration,
durationInFrames,
clips,
scenes,