| @discardableResult | |
| public func `catch`(in context: Context? = nil, _ body: @escaping ((Error) throws -> (Void))) -> Promise<Void> { | |
| let ctx = context ?? .main | |
| let nextPromise = Promise<Void>(in: ctx) { resolve, reject in | |
| let onResolve = Observer<Value>.onResolve(ctx, { _ in | |
| resolve(()) | |
| }) | |
| let onReject = Observer<Value>.onReject(ctx, { error in | |
| do { | |
| try body(error) | |
| } catch let error { | |
| reject(error) | |
| } | |
| resolve(()) | |
| }) | |
| self.add(observers: onResolve,onReject) | |
| } | |
| nextPromise.runBody() | |
| self.runBody() | |
| return nextPromise | |
| } |
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