// // SnapKit // // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. #if os(iOS) || os(tvOS) import UIKit #else import AppKit #endif extension ConstraintMakerRelatable { @discardableResult public func equalToSuperview(_ closure: (ConstraintView) -> T, _ file: String = #file, line: UInt = #line) -> ConstraintMakerEditable { guard let other = self.description.item.superview else { fatalError("Expected superview but found nil when attempting make constraint `equalToSuperview`.") } return self.relatedTo(closure(other), relation: .equal, file: file, line: line) } @discardableResult public func lessThanOrEqualToSuperview(_ closure: (ConstraintView) -> T, _ file: String = #file, line: UInt = #line) -> ConstraintMakerEditable { guard let other = self.description.item.superview else { fatalError("Expected superview but found nil when attempting make constraint `lessThanOrEqualToSuperview`.") } return self.relatedTo(closure(other), relation: .lessThanOrEqual, file: file, line: line) } @discardableResult public func greaterThanOrEqualToSuperview(_ closure: (ConstraintView) -> T, _ file: String = #file, line: UInt = #line) -> ConstraintMakerEditable { guard let other = self.description.item.superview else { fatalError("Expected superview but found nil when attempting make constraint `greaterThanOrEqualToSuperview`.") } return self.relatedTo(closure(other), relation: .greaterThanOrEqual, file: file, line: line) } }