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@semantic-release/npm

Set of semantic-release plugins for publishing to a npm registry.

verifyConditions

Verify the presence of the NPM_TOKEN environment variable, create or update the .npmrc file with the token and verify the token is valid.

getLastRelease

Determine the last release of the package on the npm registry.

publish

Update the package.json version, create the npm package tarball and publish to the npm registry.

Configuration

Npm registry authentication

The npm authentication configuration is required and can be set via environment variables.

Both the token and the legacy (username, password and email) authentication are supported. It is recommended to use the token authentication. The legacy authentication is supported as the alternative npm registries Artifactory and npm-registry-couchapp only supports that form of authentication at this point.

Environment variables

Variable	Description
NPM_TOKEN	Npm token created via npm token create
NPM_USERNAME	Npm username created via npm adduser or on npmjs.com
NPM_PASSWORD	Password of the npm user.
NPM_EMAIL	Email address associated with the npm user

Use either NPM_TOKEN for token authentication or NPM_USERNAME, NPM_PASSWORD and NPM_EMAIL for legacy authentication

Options

Options	Description	Default
npmPublish	Whether to publish the npm package to the registry. If false the package.json version will still be updated.	true
tarballDir	Directory path in which to generate the the package tarball. If false the tarball is not be kept on the file system.	false

Npm configuration

The plugins are based on npm and will use the configuration from .npmrc. See npm config for the option list.

The registry and dist-tag can be configured in the package.json and will take precedence over the configuration in .npmrc:

{
  "publishConfig": {
    "registry": "https://registry.npmjs.org/",
    "tag": "latest"
  }
}

Usage

The plugins are used by default by semantic-release so no specific configuration is requiered to use them.

Each individual plugin can be disabled, replaced or used with other plugins in the package.json:

{
  "release": {
    "verifyConditions": ["@semantic-release/npm", "verify-other-condition"],
    "getLastRelease": "custom-get-last-release",
    "publish": ["@semantic-release/npm", "custom-publish"]
  }
}

The npmPublish and tarballDir option can be used to skip the publishing to the npm registry and instead, release the package tarball with another plugin. For example with the github:

{
  "release": {
    "verifyConditions": ["@semantic-release/conditions-travis", "@semantic-release/npm", "@semantic-release/git", "@semantic-release/github"],
    "getLastRelease": "@semantic-release/git",
    "publish": [
      {
        "path": "@semantic-release/npm",
        "npmPublish": false,
        "tarballDir": "dist"
      },
      {
        "path": "@semantic-release/github",
        "assets": "dist/*.tgz"
      },
    ]
  }
}