50 lines
1.0 KiB
JavaScript
50 lines
1.0 KiB
JavaScript
/**
|
|
* Copyright (c) Nicolas Gallagher.
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
*
|
|
*/
|
|
import ReactNativePropRegistry from './ReactNativePropRegistry';
|
|
import invariant from 'fbjs/lib/invariant';
|
|
|
|
function getStyle(style) {
|
|
if (typeof style === 'number') {
|
|
return ReactNativePropRegistry.getByID(style);
|
|
}
|
|
|
|
return style;
|
|
}
|
|
|
|
function flattenStyle(style) {
|
|
if (!style) {
|
|
return undefined;
|
|
}
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
invariant(style !== true, 'style may be false but not true');
|
|
}
|
|
|
|
if (!Array.isArray(style)) {
|
|
return getStyle(style);
|
|
}
|
|
|
|
var result = {};
|
|
|
|
for (var i = 0, styleLength = style.length; i < styleLength; ++i) {
|
|
var computedStyle = flattenStyle(style[i]);
|
|
|
|
if (computedStyle) {
|
|
for (var key in computedStyle) {
|
|
var value = computedStyle[key];
|
|
result[key] = value;
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
export default flattenStyle; |