composer.project.json

{
    "require": {
        "cweagans/composer-patches": "^1.7",
        "drupal/core-composer-scaffold": "9.3.20"
    },
    "require-dev": {
        "brianium/paratest": "^4",
        "drupal/core-dev": "9.3.20",
        "phpspec/prophecy-phpunit": "^2",
        "symfony/finder": "^4.0"
    },
    "_comments": {
        "symfony/finder": "Required to pin v4, otherwise composer-merge-plugin causes problem: package is fixed to v5.3.7 (lock file version) by a partial update",
        "phpspec/prophecy-phpunit": "Required to fix ProphecyTrait not found, until Drupal core drops support for PHPUnit 8. See https://www.drupal.org/node/3176567"
    },
    "conflict": {
        "drupal/drupal": "*"
    },
    "extra": {
        "composer-exit-on-patch-failure": true,
        "drupal-scaffold": {
            "locations": {
               "web-root": "web/"
            }
        },
        "enable-patching": true
    }
}