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GitHub Action to publish to NPM
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README.md

Fast, easy publishing to NPM

Cross-Platform Compatibility Build Status

Coverage Status Dependencies

npm License

Features

  • 🧠 Smart
    Only publishes if the version number in package.json differs from the latest on NPM

  • 🛠 Configurable
    Customize the version-checking behavior, the registry URL, and path of your package

  • 🔐 Secure
    Keeps your NPM access token secret. Doesn't write it to ~/.npmrc

  • Fast
    100% JavaScript (which is faster than Docker) and bundled to optimize loading time

  • 📤 Outputs
    Exposes the old and new version numbers, and the type of change (major, minor, patch, etc.) as variables that you can use in your workflow.

Usage

This package can be used three different ways:

  • 🤖 A GitHub Action as part of your CI/CD process

  • 🧩 A function that you call in your JavaScript code

  • 🖥 A CLI that you run in your terminal

GitHub Action

To use the GitHub Action, you'll need to add it as a step in your Workflow file. By default, the only thing you need to do is set the token parameter to your NPM auth token.

on: push

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - uses: actions/setup-node@v1
        with:
          node-version: 10
      - run: npm install
      - run: npm test
      - uses: JS-DevTools/npm-publish@v1
        with:
          token: ${{ secrets.NPM_TOKEN }}

Input Parameters

You can set any or all of the following input parameters:

Name Type Required? Default Description
token string yes The NPM auth token to use for publishing
registry string no https://registry.npmjs.org/ The NPM registry URL to use
package string no ./package.json The path of your package.json file
check-version boolean no true Only publish to NPM if the version number in package.json differs from the latest on NPM

Output Variables

npm-publish exposes some output variables, which you can use in later steps of your workflow. To access the output variables, you'll need to set an id for the npm-publish step.

steps:
  - id: publish
    uses: JS-DevTools/npm-publish@v1
    with:
      token: ${{ secrets.NPM_TOKEN }}

  - if: steps.publish.type != 'none'
    run: |
      echo "Version changed: ${{ steps.publish.old-version }} => ${{ steps.publish.version }}"
Variable Type Description
type string The type of version change that occurred ("major", "minor", "patch", etc.). If there was no version change, then type will be "none".
version string The version that was published
old-version string The version number that was previously published to NPM

JavaScript Function

To use npm-package in your JavaScript code, you'll need to install it using NPM:

npm install @jsdevtools/npm-publish

You can then import it and use it in your code like this:

const npmPublish = require("@jsdevtools/npm-publish");

// Run npm-publish with all defaults
await npmPublish();

// Run npm-publish with options
await npmPublish({
  package: "./path/to/package.json",
  token: "YOUR_NPM_AUTH_TOKEN_HERE"
});

Options

As shown in the example above, you can pass options to the npmPublish() function. Here are the available options:

Name Type Default Description
token string NPM's default credentials The NPM auth token to use for publishing. If not set, then NPM will
registry string https://registry.npmjs.org/ The NPM registry URL to use
package string ./package.json The path of your package.json file
checkVersion boolean true Only publish to NPM if the version number in package.json differs from the latest on NPM
quiet boolean false Suppress console output from NPM and npm-publish
debug function no-op A function to log debug messages. You can set this to a custom function to receive debug messages, or just set it to console.debug to print debug messages to the console.

Return Value

The npmPublish() function asynchronously returns an object with the following properties:

Name Type Description
type string The type of version change that occurred ("major", "minor", "patch", etc.) If there was no version change, then the the type is "none".
package string The name of the NPM package that was published
version string The version number that was published
oldVersion string The version number that was previously published to NPM

Command Line Interface

To use npm-package from as a command-line tool in your terminal, you'll need to install it globally using NPM:

npm install -g @jsdevtools/npm-publish

You can then use it in your terminal or in Bash scripts. You can call it without any arguments, and it will publish the current directory using NPM's default credentials.

npm-publish

Or you can call it with arguments to explicitly set the NPM auth token, registry, package path, etc.

npm-publish --token=YOUR_NPM_AUTH_TOKEN_HERE ./path/to/package.json

Options

Run npm-publish --help to see the full list of options available.

> npm-publish --help

Usage: npm-publish [options] [package_path]

options:
  --token <token>     The NPM access token to use when publishing

  --registry <url>    The NPM registry URL to use

  --debug, -d         Enable debug mode, with increased logging

  --quiet, -q         Suppress unnecessary output

  --version, -v       Print the version number

  --help, -h          Show help

package_path          The absolute or relative path of the NPM package to publish.
                      Can be a directory path, or the path of a package.json file.
                      Defaults to the current directory.

Contributing

Contributions, enhancements, and bug-fixes are welcome! File an issue on GitHub and submit a pull request.

Building

To build the project locally on your computer:

  1. Clone this repo
    git clone https://github.com/JS-DevTools/npm-publish.git

  2. Install dependencies
    npm install

  3. Build the code
    npm run build

  4. Run the tests
    npm test

License

npm-publish is 100% free and open-source, under the MIT license. Use it however you want.

Big Thanks To

Thanks to these awesome companies for their support of Open Source developers ❤

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