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Oleg Isonen
59e0e1111f
## What changes Uploaded fonts used through CSS variables now reach the published site. Previously Builder could render them, but publishing filtered them out and emitted no `@font-face` rules. This fixes root font variables used by body and heading tokens with either quote style. The asset manager also protects those uploaded fonts from being deleted as unused. Closes #6603 ## Implementation The published bundle follows variables used by `font-family`, parses their values as font stacks, and handles nested variables without looping on cycles. Asset usage now uses the same lookup, records each referring style, and counts every uploaded weight in a family. Replacing a font used through a variable is blocked because the variable value cannot be rewritten by the current asset replacement path. Visitors still download each font file that the page uses; this change makes those files available rather than falling back to system fonts. ## Checklist - [x] Reproduce missing font assets in a published project bundle. - [x] Keep uploaded fonts referenced by root CSS variables and heading tokens. - [x] Verify both single and double quotes; exclude unrelated fonts. - [x] Verify regression tests fail before the publishing fix and pass afterward. - [x] Keep fonts referenced through CSS variables out of the unused-assets list and block deletion. - [x] Protect every uploaded weight in a used family and block unsafe font replacement. - [x] Verify the asset-usage regression tests fail before each fix and pass afterward. - [x] Run targeted Builder, project-build, SDK CSS, and CLI prebuild tests. - [x] Run Builder, project-build, and CLI typechecks, lint, formatting, and diff checks. - [x] Review `docs/`: existing custom-font and CSS-variable guides already describe the supported behavior; no text change is needed. - [x] Check fixture inputs and outputs: no fixture contains font variables, so regeneration is not needed. - [x] Push the tested changes. - [x] Monitor required CI checks and fix any failures. - [x] Simplify font family collection and asset usage without changing behavior. - [x] Re-run focused tests, typechecks, and CI after the cleanup. The cleanup removes a second per-style deduplication map. The collector now reports each family once per declaration. Production code shrank by four net lines; the remaining callback and variable map preserve each style's usage and protect asset deletion and replacement. - [x] Fix the fixtures diff check after submodule setup moves to current main. - [x] Verify the check still catches generated files and edits inside the submodule. - [x] Push the CI fix and monitor both PR and push workflows. ## Verification - Before the publishing fix, both quote variants produced an empty font asset list in the published bundle. Afterward, both include Inter and Playfair Display while excluding an unused uploaded font. - Asset usage tests failed before the follow-up fix for both quote styles, repeated references, multiple uploaded faces in one family, and unsafe replacement. They now pass. - Project-build asset and style utility tests: 95 passed. - Builder bundle tests: 11 passed. - CLI prebuild tests: 141 passed. - Builder, project-build, and CLI typechecks: passed. - Changed-file lint, formatting, and `git diff --check`: passed. - Local agent evaluations were not run because they require separate approval. - CI: Lint PR, Check submodules, Visual regression, and Main workflow passed. One unrelated Form E2E test failed on its first run; shard 10 passed on rerun. - Cleanup checks: 95 project-build tests, 11 Builder bundle tests, and 141 CLI prebuild tests passed. Project-build, Builder, and CLI typechecks, changed-file lint, formatting, and diff checks passed. - Cleanup CI: Lint PR, Check submodules, Visual regression, and Main workflow passed; all ten Builder E2E shards passed. - CI fix: a local Git reproducer confirmed pointer movement passes while tracked changes in the parent or submodule fail. YAML parsing and `git diff --check` passed. The staging push workflow, Linux and Windows fixture jobs, and all PR checks passed.