Enable Alpha Releases From An Epic Branch In `ckeditor/ckeditor5-linters-config`

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Introduction

The ckeditor/ckeditor5-linters-config repository is a crucial part of the CKEditor 5 project, providing essential configuration for ESLint. As the project evolves, it's essential to ensure that the linters-config repository is up-to-date and compatible with the latest versions of Node.js and ESLint. This article outlines the steps required to enable alpha releases from an epic branch in the ckeditor/ckeditor5-linters-config repository.

Provide a Description of the Task

This issue aims to track the work needed to publish packages from the ckeditor/ckeditor5-linters-config repository to npm. The primary objective is to enable alpha releases from the epic branch, ensuring that the repository is compatible with the latest versions of Node.js and ESLint.

Definition of Done

To complete this task, the following conditions must be met:

  • ESLint-related packages must include the engines.node property: Due to Node.js requirements, it's essential to include the engines.node property in ESLint-related packages. This ensures that the packages are compatible with the latest versions of Node.js.
  • A pull request should target the #epic/ck/18475-eslint9 branch: The pull request should target the #epic/ck/18475-eslint9 branch, which is the epic branch for ESLint 9.
  • Update the CircleCI configuration to allow pushing a release from the epic branch: To avoid merging changes to #master, it's necessary to update the CircleCI configuration to allow pushing a release from the epic branch.

Technical Details

The following technical details are essential to complete this task:

  • Bump a major version: When publishing the alpha release, it's necessary to bump a major version to ensure that the package is compatible with the latest versions of Node.js and ESLint.
  • Publish an alpha version to avoid using npm links: To avoid using npm links to integrate ESLint@9 in other repositories, it's essential to publish an alpha version. This way, packages will be fetched from npm, ensuring that the latest versions of Node.js and ESLint are used.

Step-by-Step Guide

To enable alpha releases from an epic branch in the ckeditor/ckeditor5-linters-config repository, follow these steps:

Step 1: Update ESLint-related packages to include the engines.node property

Update ESLint-related packages to include the engines.node property. This ensures that the packages are compatible with the latest versions of Node.js.

// package.json
{
    "engines": {
        "node": ">=14.17.0"
    }
}

Step 2: Target the #epic/ck/18475-eslint9 branch in the pull request

Target the #epic/ck/18475-eslint9 branch in the pull request. This ensures that the changes are made to the epic branch for ESLint 9.

Step 3: Update the CircleCI configuration to allow pushing a release from the epic branch

Update the CircleCI configuration to allow pushing a release from the epic branch. This ensures that the release is pushed to the epic branch instead of the master branch.

// .circleci/config.yml
version: 2.1
jobs:
  build-and-publish:
    docker:
      - image: circleci/node:14
    steps:
      - checkout
      - run: npm install
      - run: npm run build
      - run: npm publish --tag alpha

Step 4: Bump a major version and publish an alpha version

Bump a major version and publish an alpha version. This ensures that the package is compatible with the latest versions of Node.js and ESLint.

// package.json
{
    "version": "2.0.0-alpha.0"
}

Step 5: Verify the changes

Verify the changes by checking the package version and the ESLint configuration.

// package.json
{
    "version": "2.0.0-alpha.0"
}

// .eslintrc.json
{
    "parserOptions": {
        "ecmaVersion": 2020
    },
    "rules": {
        "no-console": "error"
    }
}

Conclusion

Introduction

Enabling alpha releases from an epic branch in the ckeditor/ckeditor5-linters-config repository can be a complex process. To help you better understand the process, we've put together a Q&A article that addresses some of the most frequently asked questions.

Q: What is the purpose of enabling alpha releases from an epic branch?

A: The primary purpose of enabling alpha releases from an epic branch is to ensure that the ckeditor/ckeditor5-linters-config repository is compatible with the latest versions of Node.js and ESLint. By publishing alpha releases from the epic branch, you can avoid using npm links to integrate ESLint@9 in other repositories.

Q: Why is it necessary to update ESLint-related packages to include the engines.node property?

A: Due to Node.js requirements, it's essential to include the engines.node property in ESLint-related packages. This ensures that the packages are compatible with the latest versions of Node.js.

Q: What is the difference between a major version and an alpha version?

A: A major version is a significant update to a package, while an alpha version is a pre-release version of a package. When publishing an alpha version, you're indicating that the package is not yet stable and may contain bugs.

Q: How do I target the #epic/ck/18475-eslint9 branch in the pull request?

A: To target the #epic/ck/18475-eslint9 branch in the pull request, simply specify the branch name in the pull request title or description. For example: "Targeting #epic/ck/18475-eslint9 branch for ESLint 9 compatibility."

Q: What changes do I need to make to the CircleCI configuration to allow pushing a release from the epic branch?

A: To update the CircleCI configuration to allow pushing a release from the epic branch, you'll need to modify the config.yml file to specify the epic branch as the target branch for the release. For example:

// .circleci/config.yml
version: 2.1
jobs:
  build-and-publish:
    docker:
      - image: circleci/node:14
    steps:
      - checkout
      - run: npm install
      - run: npm run build
      - run: npm publish --tag alpha

Q: How do I verify that the changes have been made successfully?

A: To verify that the changes have been made successfully, you can check the package version and the ESLint configuration. For example:

// package.json
{
    "version": "2.0.0-alpha.0"
}

// .eslintrc.json
{
    "parserOptions": {
        "ecmaVersion": 2020
    },
    "rules": {
        "no-console": "error"
    }
}

Q: What are some common issues that may arise when enabling alpha releases from an epic branch?

: Some common issues that may arise when enabling alpha releases from an epic branch include:

  • Incompatible package versions: Make sure that the package versions are compatible with the latest versions of Node.js and ESLint.
  • Incorrect CircleCI configuration: Double-check the CircleCI configuration to ensure that it's correctly set up to push releases from the epic branch.
  • ESLint configuration issues: Verify that the ESLint configuration is correct and that there are no issues with the configuration.

Conclusion

Enabling alpha releases from an epic branch in the ckeditor/ckeditor5-linters-config repository requires careful planning and execution. By following the steps outlined in this article and addressing the frequently asked questions, you can ensure that the repository is compatible with the latest versions of Node.js and ESLint.