50 lines
1.0 KiB
JavaScript
50 lines
1.0 KiB
JavaScript
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/**
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* Copyright (c) Nicolas Gallagher.
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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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*
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*/
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import ReactNativePropRegistry from './ReactNativePropRegistry';
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import invariant from 'fbjs/lib/invariant';
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function getStyle(style) {
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if (typeof style === 'number') {
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return ReactNativePropRegistry.getByID(style);
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}
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return style;
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}
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function flattenStyle(style) {
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if (!style) {
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return undefined;
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}
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if (process.env.NODE_ENV !== 'production') {
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invariant(style !== true, 'style may be false but not true');
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}
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if (!Array.isArray(style)) {
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return getStyle(style);
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}
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var result = {};
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for (var i = 0, styleLength = style.length; i < styleLength; ++i) {
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var computedStyle = flattenStyle(style[i]);
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if (computedStyle) {
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for (var key in computedStyle) {
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var value = computedStyle[key];
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result[key] = value;
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}
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}
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}
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return result;
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}
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export default flattenStyle;
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