composer.json for Drupal installation.

{
    "type": "project",
    "repositories": {
        "drupal": {
            "type": "composer",
            "url": "https://packages.drupal.org/8"
        },
        "asset-packagist": {
            "type": "composer",
            "url": "https://asset-packagist.org"
        }
    },
    "require": {
        "composer/installers": "^1.2.0",
        "cweagans/composer-patches": "^1.6.4",
        "oomphinc/composer-installers-extender": "^1.1",
        "wikimedia/composer-merge-plugin": "^1.4.1",
        "drupal/addtoany": "^1.10.0",
        "drupal/admin_toolbar": "^1.25.0",
        "drupal/audiofield": "^1.8.0",
        "drupal/better_exposed_filters": "^3.0.0-alpha5",
        "drupal/block_class": "^1.0.0",
        "drupal/colorbox": "^1.4.0",
        "drupal/contact_storage": "^1.0.0-beta9",
        "drupal/content_type_clone": "*",
        "drupal/ctools": "^3.0.0",
        "drupal/devel": "^1.2.0",
        "drupal/ds": "^3.2.0",
        "drupal/entity": "^1.0.0-rc1",
        "drupal/entityqueue": "^1.0.0-alpha8",
        "drupal/entity_browser": "^2.0.0",
        "drupal/entity_reference_revisions": "^1.6.0",
        "drupal/entity_usage": "^2.0.0-alpha8",
        "drupal/filefield_sources": "1.x-dev",
        "drupal/fontawesome": "^2.9.0",
        "drupal/form_options_attributes": "^1.0.0",
        "drupal/inline_entity_form": "^1.0.0-rc1",
        "drupal/instagram_block": "^2.0.0-beta2",
        "drupal/lang_dropdown": "2.0.0-beta3",
        "drupal/markup": "^1.0.0-beta1",
        "drupal/maxlength": "^1.0.0-beta2",
        "drupal/media_entity": "^2.0.0-beta1",
        "drupal/media_entity_actions": "^1.0.0-alpha2",
        "drupal/media_entity_flickr": "^4.0.0-alpha4",
        "drupal/menu_block": "^1.5",
        "drupal/menu_export": "^1.2.0",
        "drupal/metatag": "^1.7.0",
        "drupal/migrate_plus": "^4.0.0",
        "drupal/migrate_tools": "^4.0.0",
        "drupal/page_manager": "^4.0.0-beta3",
        "drupal/panelizer": "^4.1.0",
        "drupal/panels": "^4.3.0",
        "drupal/paragraphs": "^1.5.0",
        "drupal/pathauto": "^1.3.0",
        "drupal/pathologic": "^1.0.0-alpha1",
        "drupal/quicktabs": "^3.0.0-alpha2",
        "drupal/redirect": "^1.3.0",
        "drupal/search_api": "^1.11.0",
        "drupal/search_api_autocomplete": "^1.1.0",
        "drupal/search_api_solr": "^2.3.0",
        "drupal/simplenews": "^1.0.0-alpha3",
        "drupal/smtp": "^1.0.0-beta4",
        "drupal/structure_sync": "^1.15.0",
        "drupal/text_resize": "^1.1.0",
        "drupal/token": "^1.5.0",
        "drupal/ultimenu": "1.x-dev",
        "drupal/video": "^1.2.0",
        "drupal/video_embed_facebook": "^1.3.0",
        "drupal/video_embed_field": "^2.0.0",
        "drupal/views_accordion": "^1.2.0",
        "drupal/views_bootstrap": "^3.1.0",
        "drupal/views_infinite_scroll": "^1.5.0",
        "drupal/view_unpublished": "^1.0.0-alpha1",
        "drupal/weight": "^3.0.0",
        "drupal/workbench_moderation": "^1.4.0",
        "drupal/bootstrap": "^3.17",
        "drupal/core": "^8.6.4"
    },
    "require-dev": {},
    "extra": {
        "enable-patching": true,
        "installer-types": [
            "bower-asset",
            "npm-asset"
        ],
        "installer-paths": {
            "drush/contrib/{$name}": [
                "type:drupal-drush"
            ],
            "core": [
                "type:drupal-core"
            ],
            "modules/contrib/{$name}": [
                "type:drupal-module"
            ],
            "modules/custom/{$name}": [
                "type:drupal-custom-module"
            ],
            "profiles/contrib/{$name}": [
                "type:drupal-profile"
            ],
            "profiles/custom/{$name}": [
                "type:drupal-custom-profile"
            ],
            "themes/{$name}": [
                "type:drupal-theme",
				"type:drupal-custom-theme"
            ],
            "libraries/{$name}": [
                "type:drupal-library",
                "type:bower-asset",
                "type:npm-asset"
            ]
        },
        "merge-plugin": {
            "include": [
                "modules/custom/*/composer.json"
            ],
            "replace": false,
            "ignore-duplicates": true
        },
        "patches": {}
    },
    "scripts": {
        "post-install-cmd": [
          "patch -p1  --directory=modules/contrib/lang_dropdown < patches/language_native_name-2953909-2.patch"
       ]
    },
    "minimum-stability": "dev",
    "prefer-stable": true
}