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[PR #4915] fix(javascript): attribute call-path unknowns only where the walk can reach Electron #6673
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opened 2026-11-01 21:42:12 +00:00 by bsakaguchi
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📋 Pull Request Information
Original PR: https://github.com/morluto/rea/pull/4915
Author: @mertkayacs
Created: 10/17/2026
Status: 🔄 Open
Base:
main← Head:fix/javascript-electron-call-paths-reference📝 Commits (10+)
964da78test(javascript): cover the isolated-world probe outside Electron identity74e6b71fix(javascript): expand Electron call paths only with an Electron reference05a1b60test(javascript): cover Electron reach through resolved names, aliases and worker URLs701bf0efix(javascript): attribute call-path unknowns only where the walk can reach Electron9fc7700test(javascript): cover a hoisted read that precedes a loader alias6cf5380fix(javascript): keep call-path unknowns for late-initialized loader aliases75691e8test(javascript): drop a duplicate loader-alias case0d07317test(javascript): cover loader aliases reached through bindings and callsfa1c35bfix(javascript): prove a late initializer loader-free before dropping its unknown6a7b648test(javascript): cover loaders behind default parameters, wrappers and long alias chains📊 Changes
12 files changed (+1695 additions, -57 deletions)
View changed files
📝
src/application/javascript/JavaScriptWrappedCallPathCancellation.test.ts(+2 -0)📝
src/domain/javascript/electronWrappedCallPaths.ts(+49 -20)➕
src/domain/javascript/electronWrappedCallPaths.unknown_scope.test.ts(+787 -0)📝
src/domain/javascript/javascriptElectronMemberWrites.ts(+31 -0)📝
src/domain/javascript/javascriptSemanticAnalysis.ts(+26 -6)📝
src/domain/javascript/javascriptSemanticState.ts(+11 -0)📝
src/domain/javascript/javascriptStaticAnalysis.ts(+3 -5)📝
src/domain/javascript/javascriptSymbolicBindings.test.ts(+77 -3)📝
src/domain/javascript/javascriptSymbolicBindings.ts(+613 -19)➕
tests/boundary/cli/javascriptApplicationCoverage.test.ts(+92 -0)📝
tests/boundary/mcp/agentKnownAnswerMcp.test.ts(+1 -1)📝
tests/evaluation/model-evals/AgentEvaluationFixtures.ts(+3 -3)📄 Description
Summary
Fixes #4893.
Since 6.5.0,
analyze-javascript-applicationreportsparse_status: "partial"for ordinary production bundles that parse cleanly, and the application graph coverage follows it topartialwith no named limit. The file-level unknown comes from the Electron wrapped-call-path expansion: it evaluates calls in every module, including modules that never import or require Electron, and any read the symbolic resolver cannot settle counts as an unknown finding for the whole file. Sinceb8fab7429the resolver treats a read that precedes its initializer in source order as unresolved. Every hoisted function that reads a module-levelvarinitialized later (the timer shims inreact-dom-client.production.js, for example) now trips it, so a module with no Electron surface at all is reported as partially understood.This change keeps the expansion running on every module, so no finding is lost, and attributes the unknowns it meets to the file only where the walk could have reached Electron, as judged by the same resolver: a proven Electron callee root in the identity index, a resolver value that reached an Electron module, a require whose module name stayed unresolved, an exhausted budget, or a static import or require that names Electron or leaves its module name unresolved. Where none of that happened the walk could not have hidden a path, so its unresolved reads describe no fact the analysis could have found. Modules that reach Electron keep the current behavior, including the unknown findings their dynamic values produce.
Problem and expected behavior
Smallest trigger, a module without any Electron reference:
Observed on main (
2fb5e204a):parse_status: "partial",parse_error_count: 0, limitation "One or more static keys, expressions, or Electron boundary values were dynamic and remain unknown.", graph coveragepartialwithomitted_count: nullandlimits: [].Expected:
parse_status: "complete"and complete graph coverage. The unknown is attributed by a walk that can only ever emit Electron call paths. Every emitted path starts at an Electron exposure or IPC registration (entryKindis only set bybridgeand the IPC registration branches), and every Electron value the resolver can reach starts at a require or import of the Electron module (arequire("electron")literal, the Electron identity index, or a bundler namespace that resolves to one). Without such a reference the walk cannot hide a finding, so reporting its unresolved reads as unknown findings violates the rule in AGENTS.md that unknowns describe facts the analysis could not establish, and the coverage contract indocs/javascript-application-graph.md("Graph coverage describes the analyzed artifact scope and resource limits").Change and scope
src/domain/javascript/javascriptSymbolicBindings.ts: the resolver recordsreachedElectronwhen an evaluated require names an Electron module andunresolvedRequirewhen a require's module name could not be resolved. These are the only places the resolver produces an Electron module value or gives up on one, so the gate is derived from the resolution the walk itself performs.src/domain/javascript/electronWrappedCallPaths.ts:collectElectronWrappedCallPathscounts the unknowns it meets locally and adds them to the file'sunknownFindingsonly when the walk could have reached Electron (identity bindings, the two resolver flags, an exhausted budget, or a module reference that names Electron or leaves its name unresolved). Paths, bridge findings and IPC registrations are produced exactly as before.src/domain/javascript/javascriptElectronMemberWrites.ts:referencesElectronModule(references)is the predicatefinalizeStaticAnalysisalready used inline for the Electron identity limitation, now shared and restricted to module reference kinds (static-import,dynamic-import,require); a worker or service-worker script namedelectronis a script, not a module.referencesUnresolvedModuleis its unresolved-name companion for the gate.require(name)), a require alias (const load = require; load("electron")), bundler namespaces or the identity index keep their bridge findings, IPC registrations and call paths; regression tests pin these paths and the worker-URL distinction.src/domain/javascript/javascriptSymbolicBindings.ts: when a read precedes its initializer, a resolver-backed proof drops the loader uncertainty only after establishing that the initializer cannot expose a module loader. The proof follows safe single-definition aliases and function calls, derives ordinary and rest parameter safety from the actual call arguments, treats unproven parameters, catch bindings andargumentsas loader-bearing, memoizes called functions by parameter-safety signature, and fails closed when either binding recursion or AST recursion reaches depth 128.Not included: the semantics of
parse_statusfor Electron modules with dynamic values, and theomitted_count: nullnote in the issue. Both are existing, tested behavior and out of scope here.Follow the contribution scope.
Unresolved scope, authority, side effects, or required verification block
integration. Link the required maintainer scope decision for new providers or
capabilities involving target execution, injection, mutation, or protection
recovery; ordinary fixes within existing boundaries may state "not applicable".
Contract and boundary impact
collectElectronWrappedCallPaths, which runs after the static traversal of one source. The static reference facts it reads are produced by that traversal.parse_statusiscompletewhen the parser completed and the file'slimitationsno longer carry the dynamic-unknown line; graph coverage and per-observation coverage follow. Modules with an Electron reference report exactly what they did before.docs/public/product-catalog.json), package, or installation impact (CI generates and validates ignored catalogs andskills/; edit authored instructions in.agents/skills/reverse-engineer-anything/and never commit build outputs): none.Expected effects (check known effects; use documentation-only on its own).
Unchecked items do not establish absence; leave uncertainties visible.
Evidence and regression coverage
src/domain/javascript/electronWrappedCallPaths.unknown_scope.test.ts: 25 cases cover non-Electron hoisted reads, real and unresolved Electron reachability, worker URLs, aliased and late-initialized loaders, default parameters, closed-over loaders, receiver-derived loaders, changed holder objects, invocation parameters, rest parameters, catch bindings,arguments, safe wrappers, a 15,000-binding alias chain, and a 15,000-term nested initializer.tests/boundary/cli/javascriptApplicationCoverage.test.ts: the built public CLI reports complete file and graph coverage for the minimal non-Electron trigger.2fb5e204awith only the first test commit applied, the hoisted-read test and the CLI test fail withexpected 'partial' to be 'complete'(domain test atparse_status, CLI test at the file observation'sparse_status). The Electron-reference case passes on base and after the fix. The three later tests were written against the first version of this change (a skip gated on literal Electron references) and failed there: the resolved-name and alias modules lost their bridge, IPC and call-path findings, and the worker-URL module stayedpartial; they pass with the resolver-derived attribution. InstrumentingJavaScriptSymbolicBindingsonreact-dom-client.production.js(react-dom 19.2.0 from npm) showed every unresolved read came fromscheduleTimeout,cancelTimeout,scheduleMicrotask,listeneranddiscreteReplayableEventsreads inside hoisted functions, each initialized later in the file, evaluated by the isolated-world probe and by seeded walks of a module with no Electron reference. With the fix the domain analysis of that file returnsparse_status: "complete",parse_error_count: 0, 3 references, and only the "parsed as data" limitation.react-dom-client.production.jsreports the file observationparse_statusaspartialon main andcompletewith this change. Graph coverage on that file stayspartialhere for a different, named reason: the semantic pass reports "Owned JavaScript worker exhausted its heap", with both the default heap and--max-heap-mb 5120, so the coverage carries the heap and timeout limits. The reporter's run did not hit that constraint; the CLI test above shows the coverage change on a module the semantic pass completes.For evidence-bearing changes:
Validation performed
npm run test:focused -- src/domain/javascript/electronWrappedCallPaths.unknown_scope.test.ts tests/boundary/cli/javascriptApplicationCoverage.test.tsonc6bc7bce4: 2 files passed, 26 tests passed.src/domain/javascriptandsrc/application/javascripttests vianpm run test:local -- <exact test paths>onc6bc7bce4: 105 files passed, 2,765 tests passed.npm run check:fastonc6bc7bce4: dependency check, typecheck, and lint passed.npm run format:checkonc6bc7bce4: all 4,055 matched files passed.Compatibility, safety, and release
partialon non-Electron bundles as a completeness signal getcompletewhen the parse completed and no limit fired.Author readiness
Human owner: @mertkayacs
Before merge
type(scope): outcome.🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.