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Merge pull request #1269 from jevans-agent/fix/tsconfig-paths-baseurl

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fix: resolve tsconfig path aliases relative to baseUrl
This commit is contained in:
Safi
2026-06-11 23:22:45 +01:00
committed by GitHub
parent e16c1f37bf ec04152a90
commit 60d4b4373f
3 changed files with 37 additions and 2 deletions
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graphify/extract.py
+12 -2
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@@ -255,13 +255,23 @@ def _read_tsconfig_aliases(tsconfig: Path, base_dir: Path, seen: set) -> dict[st
if extended_path.exists():
aliases.update(_read_tsconfig_aliases(extended_path, extended_path.parent, seen))
paths = data.get("compilerOptions", {}).get("paths", {})
# tsconfig `paths` are resolved relative to `baseUrl` (itself relative to
# the tsconfig's directory), not the tsconfig directory directly. Honoring
# baseUrl is required for the common monorepo / NestJS layout where
# baseUrl points at a subdirectory, e.g. baseUrl "./src" with
# "@services/*": ["services/*"] must resolve to <dir>/src/services rather
# than <dir>/services. Defaults to "." so configs without baseUrl (paths
# relative to the tsconfig dir, the TS 4.1+ behavior) keep working.
compiler_options = data.get("compilerOptions", {})
base_url = compiler_options.get("baseUrl") or "."
paths_base = base_dir / base_url
paths = compiler_options.get("paths", {})
for alias, targets in paths.items():
if not targets:
continue
alias_prefix = alias.rstrip("/*")
target_base = targets[0].rstrip("/*")
aliases[alias_prefix] = str(base_dir / target_base)
aliases[alias_prefix] = str(os.path.normpath(paths_base / target_base))
return aliases