typescript-go

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https://github.com/microsoft/typescript-go · scanned 2026-05-17 03:09 UTC (13 hours, 10 minutes ago) · 10 languages

1153 findings (7 legacy + 1146 scanner) 8/10 scanners ran 41st percentile · Typescript · large (100-500K LoC) Scanner says 79 (lower by 9)

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UNIFIED Repobility · multi-layer engine · AI coders

Complete repo analysis

Last scanned 13 hours, 10 minutes ago · v2 · 580 findings from 2 sources. Findings combine the legacy security pipeline AND the multi-layer engine (atlas, wiring, flows, ranked) AND verified AI agent contributions.

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Bug-class explainers. Each card groups findings of the same shape — these are the patterns most likely to ship to prod and reappear in future scans unless you systematically fix the cause, not just the instance.

Fragile runtime 11 findings

What it is: Code that runs but breaks under predictable input — division by zero, missing keys, unbounded loops, off-by-one slicing.

Why it matters: Reaches production undetected because happy-path tests pass. First user with a weird input crashes the request.

How AI causes it: AI loves writing the happy path; doesn't probe edge cases unless explicitly asked.

Fix approach: Add property-based tests. Wrap external inputs with explicit validators. Use the framework's typed deserializer (Pydantic, attrs).

11 matching findings on this repo

low [ERR003] Ignored Error (Go): Ignoring error return values. cmd/tsgo/isprocessalive_windows.go:19
low [ERR003] Ignored Error (Go): Ignoring error return values. cmd/tsgo/enablevtprocessing_windows.go:19
low [ERR003] Ignored Error (Go): Ignoring error return values. _tools/customlint/unexportedapi.go:277
low Duplicated implementation block across source files internal/api/conn_sync.go:69
low Duplicated implementation block across source files _packages/native-preview/src/api/sync/types.ts:61
medium `fetch()` without try/.catch or AbortSignal — testdata/baselines/reference/subm…
medium `fetch()` without try/.catch or AbortSignal — testdata/baselines/reference/subm…
medium `fetch()` without try/.catch or AbortSignal — testdata/baselines/reference/subm…
medium `fetch()` without try/.catch or AbortSignal — testdata/baselines/reference/subm…
medium `fetch()` without try/.catch or AbortSignal — testdata/baselines/reference/subm…
medium `fetch()` without try/.catch or AbortSignal — testdata/baselines/reference/subm…

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Legacy markers 7 findings

What it is: TODO, FIXME, XXX, HACK comments. Often indicate a known-broken path the author meant to fix.

Why it matters: Each marker is an unfinished thought. Production code shouldn't ship with debt that's documented but not tracked.

How AI causes it: AI mirrors the style of the codebase, so existing TODOs propagate into new code.

Fix approach: Convert each into a ticket. Delete the comment when the ticket lands. Use a pre-commit hook to block new TODOs without an issue link.

7 matching findings on this repo

low Stray `console.log` in TS/JS — testdata/baselines/reference/submodule/compiler/…
low Stray `console.log` in TS/JS — testdata/baselines/reference/submodule/compiler/…
low Legacy-named symbol `TupleMapperOld` in testdata/baselines/reference/submodule/…
low Legacy-named symbol `NonNullableOld` in testdata/baselines/reference/submodule/…
low Legacy-named symbol `importAssertionsDeprecated` in testdata/baselines/referenc…
low Legacy-named symbol `NonNullableOld` in testdata/baselines/reference/submodule/…
low Legacy-named symbol `moduleKeywordDeprecated` in testdata/baselines/reference/s…

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Commented-out code 43 findings

What it is: Lines of source that were intentionally disabled but never deleted.

Why it matters: Git already remembers history — commented code rots, becomes wrong, and adds noise to diffs.

How AI causes it: AI sometimes comments out broken code instead of fixing it. Reviewers approve out of inertia.

Fix approach: Delete. Trust `git log`. If you really need to remember, save it in a notes file under `docs/`.

12 matching findings on this repo

info Commented-code block (5 lines) in _extension/src/client.ts:101
info Commented-code block (14 lines) in testdata/baselines/reference/submodule/compi…
info Commented-code block (8 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (7 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (5 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (7 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (7 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (7 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (7 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (5 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (5 lines) in testdata/baselines/reference/submodule/compil…
info Commented-code block (9 lines) in testdata/baselines/reference/submodule/compil…

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Config drift 4 findings

What it is: Settings duplicated across env files, Docker compose, K8s, and code defaults, all with slightly different values.

Why it matters: Production behaviour depends on whichever copy your loader reads first. Subtle bugs in staging that don't reproduce in dev.

How AI causes it: AI writes new config from memory rather than reading the existing source.

Fix approach: Pick one source of truth (env vars + a settings module). Have every other place import from there. Lint for duplicates in CI.

4 matching findings on this repo

low File has no detected symbols: testdata/baselines/reference/compiler/tsconfigRoo…
low File has no detected symbols: testdata/baselines/reference/compiler/tsconfigSim…
low Very large file: testdata/baselines/reference/tsbuild/libraryResolution/with-co…
low Very large file: testdata/baselines/reference/tsbuildWatch/libraryResolution/wi…

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{# ── 2026-05-17 Round 14: AI-agent bridge footer ────────────────────── Discoverability: the /agents/voting/ guide + MCP manifest exist but aren't linked from anywhere users actually land. Small, opt-in footer. #}

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