refactor(stdlib): remove lru-cache native binding - #10708
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📝 WalkthroughWalkthroughThe native ChangesNative implementation removal
Priority: ⬇️ Low Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Merge Risk: 🔵 Low · up to The change is functionally aligned, but its issue references misdirect readers to an unrelated performance change. Correct or remove those references before merging. 🚥 Pre-merge checks | ✅ 2 | ❌ 3❌ Failed checks (3 warnings)
✅ Passed checks (2 passed)
Full details: Linked Issues checkExplanation Directly linked issue Resolution Implement the Full details: Out of Scope Changes checkExplanation The pull request removes the Full details: Docstring CoverageExplanation Docstring coverage is 60.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 15 functions across 15 files. (4 skipped: 4 unsupported.)
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…wering native_fluent_chain_still_dispatches_through_native_methods asserted the pre-fix, spelling-based, no-import native dispatch that this PR's own detect_native_instance_expr change deliberately eliminates. With no import at all, `new Decimal(1)` (or Command/LRUCache/Big/BigNumber) now correctly falls through to an unresolved-global reference -- matching Node's ReferenceError on a genuinely undefined global -- instead of silently reaching the native handle by name. The test predates this change and was never updated for it, so it went red on this same commit without this PR's diff touching that file: only the sweep's `cargo test --workspace` would have caught it, hours later and attributed to a time window rather than this PR. Removed with the rationale recorded inline, matching the identical resolution three PRs stacked on this branch (#10704, #10708, #10712) each carried independently -- landing it here so none of them has to repeat it. crates/perry-hir/tests/fluent_chain_lowering.rs now runs 2/2; the crate's full test suite (`cargo test -p perry-hir --tests`) is green.
…wering native_fluent_chain_still_dispatches_through_native_methods asserted the pre-fix, spelling-based, no-import native dispatch that this PR's own detect_native_instance_expr change deliberately eliminates. With no import at all, `new Decimal(1)` (or Command/LRUCache/Big/BigNumber) now correctly falls through to an unresolved-global reference -- matching Node's ReferenceError on a genuinely undefined global -- instead of silently reaching the native handle by name. The test predates this change and was never updated for it, so it went red on this same commit without this PR's diff touching that file: only the sweep's `cargo test --workspace` would have caught it, hours later and attributed to a time window rather than this PR. Removed with the rationale recorded inline, matching the identical resolution three PRs stacked on this branch (#10704, #10708, #10712) each carried independently -- landing it here so none of them has to repeat it. crates/perry-hir/tests/fluent_chain_lowering.rs now runs 2/2; the crate's full test suite (`cargo test -p perry-hir --tests`) is green.
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Flagging a counting problem this PR shares with its two siblings, because it will fail a required gate rather than show up in review. All three of #10704, #10708 and #10712 record the identical transition It is already moot in any case: the chain has moved on. Main is now at 79 members / externalize 30 / keep 44 after the validator and dotenv removals, with uuid in flight. These are absolute recorded baselines, not deltas. So at rebase time, for each of the three: recompute from the resolved tree and have Two related notes:
Finally, for whoever runs the acceptance check: #10735 is live on main — |
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Correction to my comment above: I gave main's baseline as 79 members / externalize 30 / keep 44. That is wrong — 79/30 is the figure after the uuid removal, not main's. Main ( The attribution was wrong too: I said "after validator and dotenv". Only #10690 (validator) has landed; #10691 (dotenv) is still open, and a jsonwebtoken removal landed instead. This does not change the advice, and the advice is the point: recompute from the resolved tree at rebase time and have |
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Pathfinder result from #10704 — this PR needs two steps to unstack, not one, and the second is easy to miss. #10704 was rebased onto This PR has the same problem right now — So whoever picks this up needs both:
Step 1 alone looks complete and succeeds. The PR only reveals the problem afterwards as Also inherited from #10704, since these three are structurally identical:
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Fixes #10685 -- the removal is the fix. Native `instanceof` threw "Right-hand side of 'instanceof' is not callable" and constructor.name was undefined (the handle isn't a real class object); core get/set/eviction logic was otherwise correct, but forEach/dispose silently no-op'd where npm's real implementation visits/invokes. Removes both copies (crates/perry-ext-lru-cache/ and the feature-gated crates/perry-stdlib/src/lru_cache.rs), the dedicated #10293 native-subclass machinery (crates/perry-runtime/src/lru_subclass.rs plus its call sites in perry-codegen), the LRUCache-only arms in every shared HIR/codegen recognition point (LRUCache/Command/Big/Decimal/BigNumber share several match blocks; only LRUCache's line is touched here), and every registry row (well_known_bindings.toml, NATIVE_MODULES, the API manifest, stdlib_features.rs, native_result_ledger, workspace-architecture.json, ci_ext_link_scope.py, Android stubs). Based on PR #10699's branch (fix/10439-native-binding-import-provenance): without that fix, lru-cache at its default import name is unreachable regardless of perry.compilePackages, so this removal is not independently mergeable.
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In `@changelog.d/10708-remove-lrucache-binding.md`:
- Line 8: Update all four references in the changelog entry so they no longer
cite unrelated issue `#10685`; replace them with the correct tracker for native
lru-cache binding removal, or remove the issue references if no correct number
is established. Preserve the existing import-provenance reference and changelog
meaning.
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Cargo.lockis excluded by!**/*.lockscripts/native_result_ledger.tsvis excluded by!**/*.tsv
📒 Files selected for processing (48)
Cargo.tomlchangelog.d/10708-remove-lrucache-binding.mdcrates/perry-api-manifest/src/entries.rscrates/perry-api-manifest/src/entries/part_1.rscrates/perry-codegen/src/expr/mod.rscrates/perry-codegen/src/expr/this_super_call.rscrates/perry-codegen/src/expr/write_barrier.rscrates/perry-codegen/src/lower_call/builtin.rscrates/perry-codegen/src/lower_call/native_table/node_misc.rscrates/perry-codegen/src/lower_call/new_helpers.rscrates/perry-codegen/src/runtime_decls/stdlib_ffi.rscrates/perry-codegen/src/runtime_decls/stdlib_ffi/utilities.rscrates/perry-ext-lru-cache/Cargo.tomlcrates/perry-ext-lru-cache/src/lib.rscrates/perry-ext-lru-cache/src/tests.rscrates/perry-ext-lru-cache/tests/gc_survival.rscrates/perry-hir/src/destructuring/var_decl/native_fetch.rscrates/perry-hir/src/destructuring/var_decl/native_new.rscrates/perry-hir/src/destructuring/var_decl_sources.rscrates/perry-hir/src/js_transform/imports.rscrates/perry-hir/src/lower/expr_member/native_dispatch.rscrates/perry-hir/src/lower/module_decl.rscrates/perry-hir/src/lower/tests.rscrates/perry-hir/src/lower_decl/class_decl.rscrates/perry-hir/src/lower_patterns.rscrates/perry-runtime/src/lib.rscrates/perry-runtime/src/lru_subclass.rscrates/perry-stdlib/Cargo.tomlcrates/perry-stdlib/src/lib.rscrates/perry-stdlib/src/lru_cache.rscrates/perry-ui-android/src/stdlib_stubs.rscrates/perry/src/commands/compile/collect_modules/feature_detect.rscrates/perry/src/commands/compile/host_config.rscrates/perry/src/commands/compile/well_known.rscrates/perry/src/commands/stdlib_features.rscrates/perry/tests/issue_10293_lru_cache_subclass.rscrates/perry/tests/issue_10439_native_binding_import_provenance.rscrates/perry/well_known_bindings.tomldocs/api/perry.d.tsdocs/examples/stdlib/other/snippets.tsdocs/src/api/reference.mddocs/src/native-libraries/governance.mddocs/src/stdlib/other.mddocs/src/stdlib/overview.mdscripts/ci_ext_link_scope.pyscripts/native_result_ledger.pytests/release/packages/next-app-route/provider/stdlib/Cargo.tomlworkspace-architecture.json
💤 Files with no reviewable changes (29)
- docs/src/stdlib/overview.md
- docs/src/native-libraries/governance.md
- crates/perry-runtime/src/lib.rs
- crates/perry-hir/src/destructuring/var_decl/native_fetch.rs
- crates/perry-codegen/src/expr/write_barrier.rs
- crates/perry/src/commands/stdlib_features.rs
- crates/perry-ext-lru-cache/Cargo.toml
- crates/perry-api-manifest/src/entries.rs
- crates/perry-codegen/src/lower_call/native_table/node_misc.rs
- crates/perry-hir/src/lower_patterns.rs
- crates/perry/well_known_bindings.toml
- crates/perry-ui-android/src/stdlib_stubs.rs
- crates/perry-codegen/src/lower_call/new_helpers.rs
- tests/release/packages/next-app-route/provider/stdlib/Cargo.toml
- crates/perry-ext-lru-cache/tests/gc_survival.rs
- Cargo.toml
- crates/perry-hir/src/destructuring/var_decl/native_new.rs
- docs/src/stdlib/other.md
- crates/perry-codegen/src/lower_call/builtin.rs
- crates/perry-hir/src/lower_decl/class_decl.rs
- crates/perry-hir/src/lower/expr_member/native_dispatch.rs
- crates/perry-hir/src/lower/module_decl.rs
- crates/perry-api-manifest/src/entries/part_1.rs
- crates/perry/tests/issue_10293_lru_cache_subclass.rs
- crates/perry-stdlib/src/lib.rs
- crates/perry-stdlib/src/lru_cache.rs
- crates/perry-ext-lru-cache/src/tests.rs
- crates/perry-ext-lru-cache/src/lib.rs
- crates/perry-runtime/src/lru_subclass.rs
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| where npm's real implementation does both. Also removes the dedicated #10293 native-subclass | ||
| machinery (`class X extends LRUCache` support for a binding with no runtime class value) — the real | ||
| compiled package's `LRUCache` is an ordinary JS class, so subclassing needs no special support at | ||
| all. Fixes #10685. Requires #10439's import-provenance fix (#10699) to reach the real package at its |
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📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win
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sed -n '1,20p' changelog.d/10708-remove-lrucache-binding.md
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sed -n '286,307p' crates/perry/tests/issue_10439_native_binding_import_provenance.rs
rg -n '`#10685`|10708-remove-lrucache|lru-cache.*#' changelog.d crates scripts docs | head -100Repository: PerryTS/perry
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rg -n -C 2 'lru-cache.*(native|binding)|native.*lru-cache|remove.*lru|lrucache' \
changelog.d crates/perry-hir/src/lower/tests.rs scripts/ci_ext_link_scope.py \
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Replace the unrelated #10685 references. The repository associates #10685 with the UTF-16 slicing-performance change, not native lru-cache binding removal. Replace the references in all four listed locations with the correct native-removal tracker, or omit the issue number.
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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In `@changelog.d/10708-remove-lrucache-binding.md` at line 8, Update all four
references in the changelog entry so they no longer cite unrelated issue `#10685`;
replace them with the correct tracker for native lru-cache binding removal, or
remove the issue references if no correct number is established. Preserve the
existing import-provenance reference and changelog meaning.
After applying the fix, consider running `coderabbit review --agent` for local
review. Visit https://docs.coderabbit.ai/cli?utm_source=ghpr
Both removals record absolute baselines that main has moved past and that collide with each other (#10739), so none of them may be hand-merged. Each number below was produced by re-running the script that owns the file on THIS tree, not by arithmetic from either PR's recorded figure: workspace-architecture.json members 72 -> 70, externalize 23 -> 21 (python3 scripts/workspace_architecture.py --check --print-summary) scripts/native_result_ledger.py rows 369 -> 356, providers 320 -> 307 (python3 scripts/native_result_ledger.py; 369 -> 367 -> 356 across the two removals) unrooted_local_shape_baseline total 562 -> 555 (python3 scripts/unrooted_local_shape.py --update-baseline) docs/src/api/reference.md 2923/126 -> 2903/124 docs/api/perry.d.ts 2043/124 -> 2041/122 (scripts/regen_api_docs.sh) Cargo.lock regenerated with `cargo metadata --offline` (drops lru, perry-ext-commander, perry-ext-lru-cache and nothing else) Also in this commit: - crates/perry-hir/src/lower_decl/class_decl/from_ast.rs: drop the #10293 `"LRUCache" => ("lru-cache", "LRUCache")` native-parent arm. #10708 removed only the copy in class_decl.rs; from_ast.rs holds the parallel arm its own comment says to keep in lockstep, and codegen's `lower_lru_cache_subclass_init` is gone, so a `class X extends LRUCache` from the real compiled source would have been routed to a path that no longer exists. - crates/perry/well_known_bindings.toml: drop the `date` line orphaned by the commander entry's removal (it made the file fail to parse as TOML). - crates/perry/src/commands/compile/host_config.rs: the #5137 wildcard-skip comment named commander/dayjs/lru-cache and `js_commander_new`, all of which are now deleted; re-point it at ioredis/`js_ioredis_new`. - changelog.d fragments: record each package's acceptance result against the real npm package and the pinned Node oracle.
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Landed via merge train 233 (#10783) as v0.5.1612 — This PR was CONFLICTING against Both packages verified against the real npm source at their pinned upstream versions, no
On commander's stderr (#10711): four One defect in this PR was caught and fixed during resolution, worth knowing about: it removed the Every absolute count was re-derived on the resolved tree rather than carried across the rebase: 70 members / externalize=21 / keep=44, ledger 356/307, unrooted 555, governance 28 crates, pins 24. Validation: nine cheap gates, |
… orphaned decimal.js parity fixture Removes the stray perry-ext-decimal crate entry that survived the rebase's auto-merge in workspace-architecture.json, resyncs Cargo.lock, and recomputes native_result_ledger EXPECTED_ROWS/PROVIDERS (344 rows, 295 providers), the unrooted-local-shape baseline, the generated binding-governance table, and docs/api/perry.d.ts + docs/src/api/reference.md from a fresh perry-dev build. crates/perry-hir/src/lower_patterns.rs: detect_native_instance_expr's new-expression arm went dead. Its match on class_name used to have five live arms (Big/Decimal/BigNumber from this PR, LRUCache/Command from the already- landed #10708/#10712) -- with all five gone the fallback-only match triggered rustc's unreachable_code lint under -D warnings. Simplified the arm to what it now always evaluates to (None after the local-class shadow check), and rewrote the function doc comment to explain why the stub is kept rather than deleted. This is a sequencing interaction the brief calls out explicitly: this file wasn't touched by mysql2/pg/cron's diffs, but decimal.js landing after commander/lru-cache emptied a match neither PR could see on its own. test-files/test_parity_decimal.ts + its test-parity/known_failures.json entry: the original PR left this fixture behind (unlike #10795, which deleted its own moment/cron/backoff test files as part of the same removal). The fixture is now double-dead: decimal.js has no Perry-specific behavior left to validate, and the file was already skip-listed as a broken oracle (node itself can't resolve decimal.js post-npm-ci, #8271) before this PR.
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Summary
Fixes #10685 — the removal is the fix.
Removes the native
lru-cachebinding soimport { LRUCache } from "lru-cache"(noperry.compilePackagesentry) resolves to the real npm package, compiled from source, per theowner's decision to stop shipping hand-written Rust reimplementations of npm packages.
Base branch
This PR is based onSuperseded: #10699 has landed onfix/10439-native-binding-import-provenance(#10699), notmain.main; this PR was rebased onto and retargeted atmaindirectly (see "Rebased ontomain" section below) and is now independently mergeable.The defects this closes (#10685)
instanceofthrows:cache instanceof LRUCachethrewRight-hand side of 'instanceof' is not callable— the handle isn't a real class object.constructor.nameisundefined— same root cause.as
compat = "partial"—cache.forEach(...)visited nothing (npm visits every entry) and adisposecallback was never invoked (npm invokes it on eviction). Coreget/set/has/delete/clear/peek/sizewere otherwise correct.What was found and removed (both copies, per #10678), plus the #10293 native-subclass machinery
This binding had more surface than a typical wrapper because of #10293 (
class X extends LRUCachesupport for a binding with no runtime class value):
crates/perry-ext-lru-cache/(crate deleted; governance-tracked,well_known_bindings.toml's[bindings.lru-cache],compat = "partial")crates/perry-stdlib/src/lru_cache.rs(132 lines, feature-gatedbundled-lru-cache, exporting thesame
js_lru_cache_*symbols) + the feature itself and its now-unreferencedlrucrate dependencycrates/perry-runtime/src/lru_subclass.rs(337 lines, deleted wholesale) — A partial native binding shadows installed lru-cache and omits its only export, soclass X extends LRUCachethrows #10293's entirereason for existing:
LRUCachewas a compile-time-only lowering with no runtime value, soclass X extends LRUCachethrewClass extends value is not a constructorwithout a dedicatednative subclass-init path (mirroring
EventEmitter/node:stream). Its call sites inperry-codegen: the explicit-super()branch inexpr/this_super_call.rs, thector-less-subclass
NativeInstanceBase::LruCachearm inlower_call/new_helpers.rs, andlower_lru_cache_subclass_inititself inexpr/write_barrier.rs.LRUCache/Command/Big/Decimal/BigNumbershare several of these; only LRUCache's line is touched here, acrosslower_patterns.rs(detect_native_instance_expr),native_new.rs,module_decl.rs,lower_decl/class_decl.rs'snative_parentheritage table (×2), andjs_transform/imports.rs'sNATIVE_CODEGEN_CLASSEScrates/perry-hir/src/destructuring/var_decl_sources.rs'scjs_wrapper_static_native_destructure(100% lru-cache-specific —
const { LRUCache } = require("lru-cache")inside a CJS wrap) and itsnow-dead-code helper
require_is_perry_cjs_wrapper"LRUCache"construction arm incrates/perry-codegen/src/lower_call/builtin.rslru-cacheNativeModSigrows innative_table/node_misc.rs, and the.sizebare-property-getter dispatch arm + its test in
lower/expr_member/native_dispatch.rsjs_lru_cache_*/js_lru_cache_subclass_initFFI declarations instdlib_ffi/utilities.rslru-cachemanifest rows (perry-api-manifest'spart_1.rs+NATIVE_MODULESinentries.rs),feature_detect.rs's native-module scan list,stdlib_features.rs's feature-flipmapping
js_lru_cache_*) inperry-ui-android/src/stdlib_stubs.rsperry-ext-lru-cacheworkspace member + path dependency in the rootCargo.toml, and arelease-testing fixture's now-nonexistent
bundled-lru-cachefeature reference(
tests/release/packages/next-app-route/provider/stdlib/Cargo.toml)workspace-architecture.json's entry (workspace_members83→82,externalize33→32)scripts/native_result_ledger.{tsv,py}— 2js_lru_cache_*NR_HANDLE_IDprovider rows,EXPECTED_ROWS/EXPECTED_PROVIDERS371/322 → 369/320. Confirmed green after the edit.scripts/ci_ext_link_scope.py's self-test — one of perf(gc): stop traversing the young graph twice — skip the copying minor's eligibility preflight when its answer is already known (#7645) #7650's five historical regressionpackages was
perry-ext-lru-cache; it can never appear in the derived package list again, so it'sdropped from that tuple (4 of 5 remain) rather than leave a self-test that can't pass.
docs/src/stdlib/overview.md,docs/src/stdlib/other.md(+ itsdocs/examples/stdlib/other/snippets.tsanchor),docs/src/native-libraries/governance.md,docs/src/api/reference.md,docs/api/perry.d.ts, and three stale illustrative mentions(
well_known.rs'sBindingCompatdoc example,host_config.rs's wildcard-compile comment,stdlib_ffi/utilities.rs's module doc)Left alone, deliberately:
docs/audits/rust-dependency-decisions-2026-09-14.{md,json}(dated,frozen audit snapshots) and
test-files/test_parity_lru_cache.ts, which imports the real packagewith no
node_modulesof its own — it was already quarantined pre-existing and unrelated tothis PR:
test-parity/known_failures.jsontracks it under #8271 since 2026-08-17 ("Node 26.5.1 exitsERR_MODULE_NOT_FOUNDfor 'lru-cache' … absent from package.json/package-lock.json"), it's intest-parity/parity_matrix_baseline.json'sallowed_statuses: [parity_fail], and it's already intest.yml'sSKIP_TESTS.Two obsolete tests deleted, both because their entire subject no longer exists (not because they
were wrong when written):
crates/perry/tests/issue_10293_lru_cache_subclass.rs— the dedicated A partial native binding shadows installed lru-cache and omits its only export, soclass X extends LRUCachethrows #10293 native-subclassintegration test (bare
import { LRUCache } from "lru-cache", no real package, relying on thenative intercept). With the real compiled
lru-cachepackage now installed,LRUCacheis anordinary JS class and
class X extends LRUCacheneeds no special support at all — verified inthis PR's own acceptance test below.
crates/perry-hir/src/lower/tests.rs'stest_cjs_wrapper_lru_cache_destructure_uses_static_constructor— asserted the now-deleted
cjs_wrapper_static_native_destructurerecognition.crates/perry/tests/issue_10439_native_binding_import_provenance.rs'slru_cache_default_name_still_uses_native_binding_without_compile_packages— guarded the"legitimate native case" (no compilePackages, native binding still answers) that this PR
intentionally deletes.
A pre-existing red test found on the base branch, not caused by this PR — same one flagged in
#10704:
perry-hir'sfluent_chain_lowering.rshadnative_fluent_chain_still_dispatches_through_native_methods(new Decimal(1)..., no import),asserting the exact ambient/no-import, spelling-based dispatch #10699 itself eliminated. Already red
on #10699's own tip (
08325f1e6); flagged on #10699 directly(#10699 (comment)). Fixed identically here (same
deletion + explanatory comment as #10704) since it blocks this PR's own
cargo test -p perry-hirrun — expect a small, trivially-resolved merge conflict between this PR and #10704 on that one
comment block if both land; each independently deletes the same pre-existing test.
Acceptance test: instanceof/constructor.name, get/set/eviction, forEach, and class-extends, no
compilePackagesentryBuilt on perrymaster (
--profile perry-dev,-p perry -p perry-runtime-static -p perry-stdlib-static),confirmed
.amtimes moved. Test project:{ "dependencies": { "lru-cache": "^11.5.2" }, "type": "module" }No
perry.compilePackagesentry at all. Compile log:Compile package wildcard: expanded to 1 installed package(s)— real AOT compile from source.Diffed the compiled binary's output against
node --experimental-strip-types(Node 26.5.1, thepinned oracle): byte-for-byte identical, including:
Verification
cargo check --workspace --all-targets(excluding the cross-host UI crates per this repo's ownexclusion list) under
RUSTFLAGS="-D warnings": clean.cargo test -p perry-hir --tests: 457+ lib tests + all integration binaries, 0 failures.cargo test -p perry-codegen --tests: 1632 lib tests + all integration binaries incl.manifest_consistency, 0 failures.cargo test -p perry-api-manifest --tests: 39+4+other binaries, 0 failures.RUST_TEST_THREADS=1 cargo test --release -p perry-runtime --lib: 4039 passed, 2 failed — both thedocumented pre-existing
--releasedebug_assert!-gated failures(
gc::tests::copy_slot_decode::…,gc::tests::heap_generation::…), unrelated to this change(perry-runtime was touched here only by deleting
lru_subclass.rs).cargo test -p perry --test issue_10439_native_binding_import_provenance: all 4 remaining pass.python3 scripts/native_result_ledger.py: passes at the new 369/320 counts.python3 scripts/binding_governance.py --check: OK (39 extension crates, was 40).node scripts/binding_pins.mjs --check: OK (37 pinned, was 38).python3 scripts/workspace_architecture.py --check: OK.python3 scripts/ci_ext_link_scope.py --self-test: OK (39 ext crates).cargo fmt --all -- --check: clean.SKIP_COMPILE_GATES=1 ./scripts/run_lint_gates.sh: 76 of 77 passed (compile tier skipped). Theone failure (
Public benchmark evidence freshness) is the documented pre-existing red on every PRin this repo, untouched by this PR.
Not run / out of scope
run_lint_gates.sh(known-red on Linux per this campaign's contract).tests plus the direct acceptance test instead.
CLAUDE.mdedit — the maintainer bumps at merge time.Umbrella-feature coupling check
bundled-lru-cacheis referenced only by perry-stdlib'sfullfeature list, which this PRalready updates. Checked every other feature umbrella in
crates/perry-stdlib/Cargo.toml(crypto,database,ids, etc.) — none referencesbundled-lru-cache. This removal doesn't touch anyfeature
bundled-decimal/bundled-commanderneed either. The three removal PRs (#10684, this one,#10686) are independent on this axis and can merge in any order relative to each other.
Rebased onto
main(unstacked from #10699)This PR was originally stacked on
fix/10439-native-binding-import-provenance(#10699). #10699has since landed on
main(merge train 226,main@91a566c8af/ v0.5.1605), so the base-branchwarning above no longer applies — this PR now targets
maindirectly (gh pr edit --base main)and its two commits were replayed with
git rebase --onto origin/main <old-fix/10439-tip> <branch>.git diff --stat origin/main HEADafter the rebase shows exactly the lru-cache-only removal (50files, 48 insertions / 2440 deletions) with none of #10699's own content, confirming the unstack was
clean.
Recomputed triple (never taken from arithmetic — re-derived from the resolved tree and verified via
workspace_architecture.py --check --print-summary):workspace_members: 77,externalize: 28,keep: 44(decision_countssums to 77, matcheslen(crates)). The PR's own diff still reads83→82/33→32above because that was against the old stacked base; against currentmainthenumbers are 78→77 (workspace_members) and 29→28 (externalize), keep unchanged at 44.
Two conflict classes hit during the rebase, both previously identified as recurring failure modes in
this campaign and re-verified rather than trusted:
workspace-architecture.json: a real (non-silent) conflict this time — HEAD read 78/29/44,"theirs" read 82/32/45 (stale, from before fix(hir): resolve native-instance chain detection by import provenance, not spelling #10699/chore(bindings): remove axios native binding, compile real axios from source #10679/refactor(stdlib): remove dotenv native binding #10691/refactor(stdlib): remove decimal.js/big.js/bignumber.js native binding #10704 landed on this stacked
lineage) — resolved to 77/28/44 as above, independently confirmed.
docs/api/perry.d.ts,docs/src/api/reference.md): auto-mergedwith zero conflict markers and correctly-stripped body content, but stale header counts (the same
"fourth file class" mechanism reported on refactor(stdlib): remove decimal.js/big.js/bignumber.js native binding #10704, tracked on Every queued binding-removal PR records an absolute workspace count; six are stale and the two correct ones collide with each other #10739). Regenerated both from a
freshly built
perry-devbinary via--print-api-manifest=dts|markdown:perry.d.ts2067/132 → 2066/131,reference.md3009/134 → 3001/133. Diffed to confirmonly the header line changed and tails weren't truncated.
crates/perry-hir/src/lower_decl/class_decl.rsconflict was the ordinary"LRUCache" => Some(...)heritage-table entry removal (confirmed via diff against
origin/main's copy — no duplicate-functionrisk this time, unlike #10704's near-miss in the same file).
scripts/native_result_ledger.pyre-derived (script-driven recount, not arithmetic) to374 rows / 324 providers against current
main's native table (was 371/322 → 369/320 against theold stacked base).
scripts/unrooted_local_shape_baseline.jsonre-derived via--update-baselineper this campaign's standing rule (re-derive even when
--checkalready passes) — confirmedunchanged at
578.Re-ran full verification against the rebased tree:
cargo check --workspace --all-targetsunder-D warningson the defaultdevprofile (notperry-dev, which disablesdebug_assertionsand produces a false dead-code warning): clean. Noperry-ext-lru-cachein the compile list;perry-ext-decimal/perry-ext-dotenvstill present asexpected (neither refactor(stdlib): remove decimal.js/big.js/bignumber.js native binding #10704 nor refactor(stdlib): remove dotenv native binding #10691 has landed on
mainyet).SKIP_COMPILE_GATES=1 ./scripts/run_lint_gates.sh: 78 of 79 passed — same single pre-existingfailure (
Public benchmark evidence freshness), nothing new.git diff --statclean after every gate (no destructive side effects).Acceptance test, re-run against the rebased tree: fixture pins
lru-cacheat exactly11.5.2(
[bindings.lru-cache.upstream]'s declared version, confirmed viawell_known_bindings.tomlonorigin/mainbefore the removal), noperry.compilePackagesentry, version printed fromnode_modules/lru-cache/package.jsonat runtime. Compiled with the freshly rebuiltperry-devbinary; diffed against
node --experimental-strip-typeson the pinned oracle (Node 26.5.1):byte-for-byte identical, including the printed
LRU_CACHE_VERSION=11.5.2line, set/get/eviction/delete/clear semantics, and object-identity/mutation through the cached reference.
Summary by CodeRabbit
lru-cachebinding and standard-library support.lru-cacheimports now resolve to the source-compiled npm package when available.LRUCacheconstructors and subclasses.lru-cache.