react-native-macos/Libraries/StyleSheet/flattenStyle.js

40 строки
992 B
JavaScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow strict-local
* @format
*/
'use strict';
import type {DangerouslyImpreciseStyleProp} from './StyleSheet';
import type {____FlattenStyleProp_Internal} from './StyleSheetTypes';
function flattenStyle<+TStyleProp: DangerouslyImpreciseStyleProp>(
style: ?TStyleProp,
): ?____FlattenStyleProp_Internal<TStyleProp> {
if (style === null || typeof style !== 'object') {
return undefined;
}
if (!Array.isArray(style)) {
return style;
}
const result: {[string]: $FlowFixMe} = {};
for (let i = 0, styleLength = style.length; i < styleLength; ++i) {
const computedStyle = flattenStyle(style[i]);
if (computedStyle) {
for (const key in computedStyle) {
result[key] = computedStyle[key];
}
}
}
return result;
}
module.exports = flattenStyle;