function( sites, pluginSlug ) {
		const installedOnSites = this.getSites( sites, pluginSlug ) || [];
		return sites.filter( function( site ) {
			if ( ! site.visible ) {
				return false;
			}
			if ( site.jetpack && site.isSecondaryNetworkSite ) {
				return false;
			}

			return installedOnSites.every( function( installedOnSite ) {
				return installedOnSite.slug !== site.slug;
			} );
		} );
	}
function( sites, pluginSlug ) {
		const installedOnSites = this.getSites( sites, pluginSlug ) || [];
		return sites.filter( function( site ) {
			if ( ! site.visible ) {
				return false;
			}
			if ( site.jetpack && site.isSecondaryNetworkSite ) {
				return false;
			}

			return installedOnSites.every( function( installedOnSite ) {
				return installedOnSite.slug !== site.slug;
			} );
		} );
	}
function ( sites , pluginSlug ) { const installedOnSites = this . getSites ( sites , pluginSlug ) || [ ] ; return sites . filter ( function ( site ) { if ( ! site . visible ) { return false ; } if ( site . jetpack && site . isSecondaryNetworkSite ) { return false ; } return installedOnSites . every ( function ( installedOnSite ) { return installedOnSite . slug !== site . slug ; } ) ; } ) ; }
Array of sites without a particular plugin.
Array of sites without a particular plugin .