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Peter Cox
10a9b83e27
CALLS edges for cross-file function calls were mis-wired or missing in
TypeScript projects that use path aliases (e.g. @/lib/auth → src/lib/auth):
1. resolve_relative_import only handled "./relative" paths, so
"@/lib/auth"-style imports never reached IMPORTS edges. The import
map stayed empty, Strategy 1 in cbm_registry_resolve failed, and
resolution fell through to name-based lookups that pick the wrong
target when functions share names across files.
2. resolve_import_map built the candidate QN as the bare module QN
when the callee had no dot ("requireAdmin" vs "pkg.Func"), instead
of module_qn.requireAdmin. Even with a populated import map, bare
calls still mis-resolved.
Fix:
- New src/pipeline/path_alias.{h,c}: language-agnostic build-tool
path-alias subsystem. Currently parses tsconfig.json and
jsconfig.json compilerOptions.paths + baseUrl via the existing
yyjson dependency (with ALLOW_COMMENTS|ALLOW_TRAILING_COMMAS for
JSONC). The data model (cbm_path_alias_t / map / scope /
collection) is generic; adding Vite/Webpack/Python loaders means
writing a new file-parsing helper and registering it in
find_alias_files — the resolver, collection, and pipeline
integration do not change.
- O(n log n) ordering: scope-by-dir-specificity and entry-by-
prefix-specificity are sorted with qsort, replacing the O(n²)
bubble sorts that the original draft used. With caps of 256
entries per config and 256 configs per repo, the sort is
effectively flat.
- Resource ceilings with logging: directory recursion capped at
32 levels; total config files capped at 256; per-config size
capped at 64 KB. Cap hits emit cbm_log_warn so silent truncation
on pathological monorepos shows up in the index log.
- Walk hygiene: skips node_modules, .git, dist, build, .next,
coverage, target.
- Single integration point: cbm_pipeline_resolve_module gets a
Strategy 1b between relative-import resolution and pkgmap so both
the sequential and parallel pipelines pick up alias resolution
automatically. Non-TS projects pay nothing — the loader returns
NULL when no usable configs are found.
- Layer 2 fix in registry.c: resolve_import_map now builds the
candidate as resolved.prefix when suffix is NULL (one-line fix,
matching comment).
- Tests: 10 path_alias tests (basic wildcard, specificity, exact,
extension stripping, baseUrl, NULL safety, nearest-ancestor scope
selection, end-to-end loader against a tmp monorepo, no-configs
case) plus a registry test for the bare-call fix. Full suite:
2835 passed, 0 failed.
Cherry-picked and generalized from #243 (originally TypeScript-only
under tsconfig-named types). Renamed types (cbm_path_alias_scope_t /
collection_t in place of cbm_tsconfig_*) and centralised the load
into cbm_load_path_aliases so future loaders for other build tools
slot in without touching extraction or pipeline code.
Closes #243.
Co-authored-by: Peter Cox <info@petercox.ie>