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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | 22x 22x 22x 22x 643x 239x 239x 239x 239x 239x 239x 404x 404x 404x 404x 404x | /**
* 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.
*
* @flow
*/
const emptyObject = {};
const objects = {};
const prefix = 'r';
let uniqueID = 1;
const createKey = (id) => `${prefix}-${id}`;
export default class ReactNativePropRegistry {
static register(object: Object): number {
const id = uniqueID++;
Eif (process.env.NODE_ENV !== 'production') {
Object.freeze(object);
}
const key = createKey(id);
objects[key] = object;
return id;
}
static getByID(id: number): Object {
Iif (!id) {
// Used in the style={[condition && id]} pattern,
// we want it to be a no-op when the value is false or null
return emptyObject;
}
const key = createKey(id);
const object = objects[key];
Iif (!object) {
console.warn('Invalid style with id `' + id + '`. Skipping ...');
return emptyObject;
}
return object;
}
}
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