42 lines
889 B
JavaScript
42 lines
889 B
JavaScript
|
/**
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* @flow strict-local
|
||
|
|
* @format
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
import type {
|
||
|
|
DangerouslyImpreciseStyle,
|
||
|
|
DangerouslyImpreciseStyleProp,
|
||
|
|
} from './StyleSheet';
|
||
|
|
|
||
|
|
function flattenStyle(
|
||
|
|
style: ?DangerouslyImpreciseStyleProp,
|
||
|
|
): ?DangerouslyImpreciseStyle {
|
||
|
|
if (style === null || typeof style !== 'object') {
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!Array.isArray(style)) {
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
|
||
|
|
const result = {};
|
||
|
|
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;
|