Summary
Togoder Security scanned the npm package @jridgewell/trace-mapping@0.3.31 on Oct 6, 2026. An AI review of 11 source files produced no findings. No malicious behavior, install-time payloads, credential theft or exfiltration were identified.
Findings
No findings. The reviewer saw nothing malicious or risky in this version.
Files reviewed
| File | Verdict | What the reviewer saw |
|---|---|---|
| dist/trace-mapping.mjs | safe | This is a legitimate source map parsing library with no malicious patterns detected. |
| dist/trace-mapping.umd.js | safe | No malicious patterns detected; the file is a standard UMD bundle of the @jridgewell/trace-mapping library with no obfuscation, exfiltration, credential harvesting, or process execution. |
| src/binary-search.ts | safe | Cleared by Jev triage; no further analysis needed |
| src/by-source.ts | safe | Cleared by Jev triage; no further analysis needed |
| src/flatten-map.ts | safe | Cleared by Jev triage; no further analysis needed |
| src/resolve.ts | safe | Cleared by Jev triage; no further analysis needed |
| src/sort.ts | safe | Cleared by Jev triage; no further analysis needed |
| src/sourcemap-segment.ts | safe | Cleared by Jev triage; no further analysis needed |
| src/strip-filename.ts | safe | Cleared by Jev triage; no further analysis needed |
| src/trace-mapping.ts | safe | Cleared by Jev triage; no further analysis needed |
| src/types.ts | safe | No malicious patterns detected |
Affected version ranges
None of the 2 scanned versions of @jridgewell/trace-mapping are flagged high or critical. The latest scanned version, 0.3.31, is clean. Only versions we have scanned are listed; unscanned versions between them are not covered.
Full list, including published versions not scanned yet: version ranges API.
Scanned versions of @jridgewell/trace-mapping
Frequently asked questions
Is @jridgewell/trace-mapping safe to use?
Our AI source review of @jridgewell/trace-mapping@0.3.31 found no malicious code: no install-time payloads, credential theft, exfiltration, obfuscated loaders or backdoors.
Does @jridgewell/trace-mapping contain malware?
No malware was identified in @jridgewell/trace-mapping@0.3.31 when Togoder Security scanned it on Oct 6, 2026. A new version can still introduce malicious code, so scan the exact versions in your lockfile.
How was @jridgewell/trace-mapping checked?
Togoder Security downloaded the published npm package and had an AI model read its 11 source files, looking for install scripts, credential access, network exfiltration, obfuscation, backdoors and crypto-wallet theft. The results are cached by file hash and shown here.
How do I scan @jridgewell/trace-mapping together with the rest of my dependencies?
Upload your lockfile at https://security.togoder.click/scan or call the API documented at https://security.togoder.click/api-docs. Files that have already been scanned, like the ones in @jridgewell/trace-mapping@0.3.31, cost nothing.