var RegClient = require('npm-registry-client')
var client = new RegClient(config)

client.get("npm", "latest", 1000, function (er, data, raw, res) {
  // error is an error if there was a problem.
  // data is the parsed data object
  // raw is the json string
  // res is the response from couch
})

Configuration

This program is designed to work with npmconf, but you can also pass in a plain-jane object with the appropriate configs, and it'll shim it for you. Any configuration thingie that has get/set/del methods will also be accepted.

registry Required {String} URL to the registry
cache Required {String} Path to the cache folder
always-auth {Boolean} Auth even for GET requests.
auth {String} A base64-encoded username:password
email {String} User's email address
tag {String} The default tag to use when publishing new packages. Default = "latest"
ca {String} Cerficate signing authority certificates to trust.
cert {String} Client certificate (PEM encoded). Enable access to servers that require client certificates
key {String} Private key (PEM encoded) for client certificate 'cert'
strict-ssl {Boolean} Whether or not to be strict with SSL certificates. Default = true
user-agent {String} User agent header to send. Default = "node/{process.version} {process.platform} {process.arch}"
log {Object} The logger to use. Defaults to require("npmlog") if that works, otherwise logs are disabled.
fetch-retries {Number} Number of times to retry on GET failures. Default=2
fetch-retry-factor {Number} factor setting for node-retry. Default=10
fetch-retry-mintimeout {Number} minTimeout setting for node-retry. Default=10000 (10 seconds)
fetch-retry-maxtimeout {Number} maxTimeout setting for node-retry. Default=60000 (60 seconds)
proxy {URL} The url to proxy requests through.
https-proxy {URL} The url to proxy https requests through. Defaults to be the same as proxy if unset.
_auth {String} The base64-encoded authorization header.
username _password {String} Username/password to use to generate _auth if not supplied.
_token {Object} A token for use with couch-login

client.request(method, where, [what], [etag], [nofollow], cb)

method {String} HTTP method
where {String} Path to request on the server
what {Stream | Buffer | String | Object} The request body. Objects that are not Buffers or Streams are encoded as JSON.
etag {String} The cached ETag
nofollow {Boolean} Prevent following 302/301 responses
cb {Function}
- error {Error | null}
- data {Object} the parsed data object
- raw {String} the json
- res {Response Object} response from couch

Make a request to the registry. All the other methods are wrappers around this. one.

client.adduser(username, password, email, cb)

username {String}
password {String}
email {String}
cb {Function}

Add a user account to the registry, or verify the credentials.

client.deprecate(name, version, message, cb)

name {String} The package name
version {String} Semver version range
message {String} The message to use as a deprecation warning
cb {Function}

Deprecate a version of a package in the registry.

client.bugs(name, cb)

name {String} the name of the package
cb {Function}

Get the url for bugs of a package

client.get(url, [timeout], [nofollow], [staleOk], cb)

url {String} The url path to fetch
timeout {Number} Number of seconds old that a cached copy must be before a new request will be made.
nofollow {Boolean} Do not follow 301/302 responses
staleOk {Boolean} If there's cached data available, then return that to the callback quickly, and update the cache the background.

Fetches data from the registry via a GET request, saving it in the cache folder with the ETag.

client.publish(data, tarball, [readme], cb)

data {Object} Package data
tarball {String | Stream} Filename or stream of the package tarball
readme {String} Contents of the README markdown file
cb {Function}

Publish a package to the registry.

Note that this does not create the tarball from a folder. However, it can accept a gzipped tar stream or a filename to a tarball.

client.star(package, starred, cb)

package {String} Name of the package to star
starred {Boolean} True to star the package, false to unstar it.
cb {Function}

Star or unstar a package.

Note that the user does not have to be the package owner to star or unstar a package, though other writes do require that the user be the package owner.

client.stars(username, cb)

username {String} Name of user to fetch starred packages for.
cb {Function}

View your own or another user's starred packages.

client.tag(project, version, tag, cb)

project {String} Project name
version {String} Version to tag
tag {String} Tag name to apply
cb {Function}

Mark a version in the dist-tags hash, so that pkg@tag will fetch the specified version.

client.unpublish(name, [ver], cb)

name {String} package name
ver {String} version to unpublish. Leave blank to unpublish all versions.
cb {Function}

Remove a version of a package (or all versions) from the registry. When the last version us unpublished, the entire document is removed from the database.

client.upload(where, file, [etag], [nofollow], cb)

where {String} URL path to upload to
file {String | Stream} Either the filename or a readable stream
etag {String} Cache ETag
nofollow {Boolean} Do not follow 301/302 responses
cb {Function}

Upload an attachment. Mostly used by client.publish().