Back to packageRELEASE DETAILS

2.0.3

npm

js-yaml

YAML 1.2 parser and serializer

Published26 Feb 2013

Direct dependencies2

Transitive dependenciesNot calculated

README

Current package documentation

js-yaml

YAML 1.2 parser and serializer for JavaScript.

Online demo

Supports the YAML 1.2 and YAML 1.1 specifications.
Passes the entire YAML Test Suite.

Documentation >>

Install

npm install js-yaml

Usage

import { load } from 'js-yaml'

try {
  const document = load('greeting: hello')
  console.log(document.greeting)
} catch (e) {
  console.error(e)
}

import { dump } from 'js-yaml'

const source = dump({ greeting: 'hello' })
console.log(source)

More usage examples.

Downloads & popularity

343downloads

7-day window · source-reported counts20 Oct 2026

343171.50

20 Oct20 Oct

npm · 1 observations shown. Missing days are unknown.

View observed values

Date / source period	Value	Observed at
2026-10-20	343	2026-10-20T08:44:05.3841913Z

Declared dependencies 2

Native requirements

2 direct targetsNot calculated transitive count

Package / target	Requirement	Relationship
argparse Environment { "local_name": "argparse", "alias": false, "peer_metadata": null }	`~ 0.1.11`	runtime
mocha Environment { "local_name": "mocha", "alias": false, "peer_metadata": null }	`*`	development

Distribution files

1 collected

Distribution 1

Source distribution

Source file

Checksums from source

{
  "shasum": "cf3d3372fd7bcc6d01b442d3dab408abf28c82e7",
  "tarball": "https://registry.npmjs.org/js-yaml/-/js-yaml-2.0.3.tgz",
  "integrity": "sha512-n8ql53VmyDlI8fcF4CPojScB270inBj9FQyrtOGgVUb+5seOyN7ukZRJxC3x2diE+yPJ8rKZfdMNDoQWullFSw==",
  "signatures": [
    {
      "sig": "MEYCIQCFIgx9fJ4JLbbMUPugySH048D3KEX1vVrFigoEXUr6lAIhANsoddTgaIrXjiEz0T9U2D6yKWw9ce1O8E7gl/Wx0b8R",
      "keyid": "SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"
    }
  ]
}

Repository

PENDING

nodeca/js-yaml

Shared repository data · GitHub

License detected in repository: Not collected

Metadata history

Meaningful changes

Current collected state Current

Observed since 20 Oct, 08:14 UTC

No superseded metadata states collected. Unchanged observations do not create new revisions.

Record identity

package_version:14d8f4e5819fe89c6a5c4920977ccd69db58783b4bed664c1227f85fa0438e7a

Other collected versions

5.5.015 Oct 5.4.35 Oct 5.4.213 Sept 3.15.226 Aug 4.3.226 Aug 5.4.126 Aug View all collected versions →