.travis.composer.json

{
    "minimum-stability": "dev",
    "prefer-stable": true,
    "require": {
        "php": ">=7.1",
        "composer/installers": "^1.0",
        "cweagans/composer-patches": "^1.6.0",
        "drupal/core": "^8.6",
        "drupal-composer/drupal-scaffold": "^2.0.0",
        "drush/drush": "^9",
        "wikimedia/composer-merge-plugin": "^1.4",
        "zaporylie/composer-drupal-optimizations": "^1.0"
    },
    "repositories": [
        {
            "type": "composer",
            "url": "https://packages.drupal.org/8"
        }
    ],
    "extra": {
        "installer-paths": {
            "docroot/core": [
                "type:drupal-core"
            ],
            "docroot/modules/contrib/{$name}": [
                "type:drupal-module"
            ],
            "docroot/profiles/contrib/{$name}": [
                "type:drupal-profile"
            ],
            "docroot/themes/contrib/{$name}": [
                "type:drupal-theme"
            ],
            "drush/contrib/{$name}": [
                "type:drupal-drush"
            ]
        },
        "merge-plugin": {
            "include": [
                "lemberg/draft/composer.json"
            ]
        },
        "composer-exit-on-patch-failure": true,
        "patchLevel": {
            "drupal/core": "-p2"
        },
        "enable-patching": true
    }
}