6a22d6dca9
Summary: This tripped me up for a bit. Add some docs. Reviewed By: Andrey-Mishanin Differential Revision: D24160934 fbshipit-source-id: a36ac6b205a9edeeb0698f44476456583146907c
21 lines
606 B
Objective-C
21 lines
606 B
Objective-C
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <UIKit/UIKit.h>
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@class SKComponentLayoutWrapper;
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/**
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A SKSubDescriptor is a function which knows how to expose additional data
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to SKLayoutDescriptor. This class is for frameworks wanting to pass data
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along through the Layout Descriptor.
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The infra expects that the string returned is a JSON string.
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For example: @"{\'key\': 5}"
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*/
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typedef NSString* (*SKSubDescriptor)(SKComponentLayoutWrapper* node);
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