.travis.yml

# Travis CI (MIT License) configuration file for the Underscores WordPress theme.
# @link https://travis-ci.org/

# For use with the Underscores WordPress theme.
# @link https://github.com/Automattic/_s

# Tell Travis CI which OS and which distro to use.
os: linux
dist: xenial

# Cache directories between builds.
# @link https://docs.travis-ci.com/user/caching/#arbitrary-directories
cache:
  directories:
    # Cache directory for npm.
    - $HOME/.npm
    # Cache directory for older Composer versions.
    - $HOME/.composer/cache/files
    # Cache directory for more recent Composer versions.
    - $HOME/.cache/composer/files

# Declare project language.
# @link https://docs.travis-ci.com/user/languages/php/
language:
  - php

php:
  - 5.6
  - 7.0
  - 7.1
  - 7.2
  - 7.3

jobs:
  fast_finish: true
  include:
    - php: 7.4
      env: SNIFF=1

before_install:
  # Speed up build time by disabling Xdebug.
  - phpenv config-rm xdebug.ini || echo 'No xdebug config.'
  # Download and install the latest long-term support release of node.
  - if [[ "$SNIFF" == 1 ]]; then nvm install --lts; fi
  # Install Composer dependencies.
  - composer install
  # Install NPM dependencies.
  - if [[ "$SNIFF" == 1 ]]; then npm install; fi

script:
  # Validate the composer.json file.
  # @link https://getcomposer.org/doc/03-cli.md#validate
  - composer validate --no-check-all --strict

  # Search for PHP syntax errors using PHP Parallel Lint.
  # @link https://github.com/php-parallel-lint/PHP-Parallel-Lint
  - composer lint:php

  # Check the PHP files with the coding standards documented in the phpcs.xml.dist file.
  - if [[ "$SNIFF" == 1 ]]; then composer lint:wpcs; fi

  # Check the JS files with the lint-js script defined in the @wordpress/scripts package.
  - if [[ "$SNIFF" == 1 ]]; then npm run lint:js; fi

  # Check the SCSS files with the lint-style script defined in the @wordpress/scripts package.
  - if [[ "$SNIFF" == 1 ]]; then npm run lint:scss; fi

# Receive notifications for build results.
# @link https://docs.travis-ci.com/user/notifications/#configuring-email-notifications
notifications:
    email: false