npm · npm:source-map-js

source-map-js active

Generates and consumes source maps

The latest stable version of source-map-js is 1.2.2, published on 2026-09-30. Verified by Vigia on 2026-11-12.

Latest stable version	1.2.2
Published	2026-09-30 14:08:09 UTC
Install	`npm install source-map-js@latest`
Requires (engines)	`{"node":">=0.10.0"}`
Peer dependencies	—
Dist-tags	`latest: 1.2.2`
License	BSD-3-Clause
Advisories on latest version	none known
Last verified	2026-11-12 05:27:54 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2024-09-08 16:22:55 UTC · 795 days ago
Stable releases in the last 12 months	0
Published versions	8

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`1.2.1`	2024-09-08 16:22:55 UTC
`1.2.0`	2024-03-19 16:21:36 UTC
`1.1.0`	2024-03-17 19:32:42 UTC
`1.0.3`	2024-03-17 18:32:22 UTC
`1.0.2`	2022-01-18 16:23:43 UTC
`1.0.1`	2021-11-08 19:45:12 UTC
`1.0.0`	2021-11-04 20:49:09 UTC
`0.6.2`	2021-02-07 21:53:50 UTC

Showing the 8 most recent of 8 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`node 16`	`1.2.1`
`node 18`	`1.2.1`
`node 20`	`1.2.1`
`node 22`	`1.2.1`
`node 24`	`1.2.1`

Upgrade guides for this package

0.x → 1.x

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Frequently asked questions

What is the latest version of source-map-js?

The latest stable version of source-map-js is 1.2.2, published on 2026-09-30. Verified by Vigia on 2026-11-12.

How do I install the latest version of source-map-js?

Run npm install source-map-js@latest. The latest stable version is 1.2.2 (verified 2026-11-12).

Is source-map-js deprecated?

No. source-map-js is not marked as deprecated in the registry.

Which Node.js version does source-map-js require?

source-map-js 1.2.2 declares this requirement: {"node":">=0.10.0"}.

Does source-map-js 1.2.2 have known vulnerabilities?

No known advisories affect source-map-js 1.2.2 according to the data Vigia checks.

Is source-map-js still maintained?

source-map-js published 0 stable releases in the last 12 months; the most recent was 795 days ago. Activity: dormant.

Observed changes

ue Oct 06 2026 02:17:04 GMT+0000 (Coordinated Universal Time) — released 1.2.2 → 1.2.2
Wed Sep 30 2026 14:12:36 GM +0000 (Coordinated Universal Time) — released 1.2.1 → 1.2.2

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