fix(ci): report lazy bundle chunks separately#1710
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📦 Bundle Size Report🎨 @videojs/html — no changesPresets (7)
Media (10)
Players (5)
Skins (30)
UI Components (38)
Sizes are marginal over the root entry point. ⚛️ @videojs/react — no changesPresets (7)
Media (9)
Skins (27)
UI Components (32)
Sizes are marginal over the root entry point. 🧩 @videojs/core — no changesEntries (14)
🏷️ @videojs/element — no changesEntries (2)
📦 @videojs/store — no changesEntries (3)
🔧 @videojs/utils — no changesEntries (10)
📦 @videojs/spf — no changesEntries (4)
ℹ️ How to interpretJS sizes are initial static graph totals (minified + brotli). Lazy dynamic chunks are shown separately when present.
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mihar-22
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Jun 19, 2026
Co-authored-by: Sam Potts <sam@potts.es>
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Summary
Update the bundle size report so JavaScript entries compare initial static graph size while lazy dynamic chunks are shown separately. This keeps lazy locale chunks visible without making every entry look like it eagerly grew by the full lazy bundle cost.
Changes
Testing
pnpm build:packagesnode .github/scripts/bundle-size.js --json /tmp/v10-main-size.jsonnode .github/scripts/bundle-size-report.js --pr /tmp/v10-fixture-size.json --base /tmp/v10-fixture-base-size.jsonnode --check .github/scripts/bundle-size.jsnode --check .github/scripts/bundle-size-report.jsgit diff --checkNote:
pnpm exec biome check .github/scripts/bundle-size.js .github/scripts/bundle-size-report.js .github/workflows/bundle-size.ymlprocesses zero files because these paths are ignored by the repo Biome config.Note
Low Risk
Changes are limited to GitHub Actions bundle-size scripts and workflow; no runtime library or app behavior is modified.
Overview
Bundle size CI now treats initial (static esbuild graph) and lazy (dynamic chunks) as separate metrics so locale-style lazy loads stay visible without inflating eager entry diffs.
bundle-size.jsenables esbuild splitting and walks the metafile to sum brotli sizes for static outputs vs everything else, emitting optionallazySize,totalSize, and related fields (including standalone lazy for UI gating). It also accepts--rootso measurements can run against a chosen checkout.bundle-size-report.jsrenames columns to Initial / Lazy, compares PR vs base on initial size (with standalone gating for UI), surfaces lazy deltas, and flags changes when either initial or lazy moves by more than 300 B.The base-size workflow job checks out the PR’s size scripts into
.bundle-size-prand runs that script with--root .on the base branch build so baseline and PR use the same measurement logic.Reviewed by Cursor Bugbot for commit a82aa86. Bugbot is set up for automated code reviews on this repo. Configure here.