GT2/Ejectable/node_modules/react-native/Libraries/ReactNative/PaperUIManager.js

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2021-08-16 00:14:59 +00:00
/**
* 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
* @format
*/
'use strict';
const NativeModules = require('../BatchedBridge/NativeModules');
const Platform = require('../Utilities/Platform');
const UIManagerProperties = require('./UIManagerProperties');
const defineLazyObjectProperty = require('../Utilities/defineLazyObjectProperty');
import NativeUIManager from './NativeUIManager';
const viewManagerConfigs = {};
const triedLoadingConfig = new Set();
let NativeUIManagerConstants = {};
let isNativeUIManagerConstantsSet = false;
function getConstants(): Object {
if (!isNativeUIManagerConstantsSet) {
NativeUIManagerConstants = NativeUIManager.getConstants();
isNativeUIManagerConstantsSet = true;
}
return NativeUIManagerConstants;
}
const UIManagerJS = {
/* $FlowFixMe(>=0.111.0 site=react_native_fb) This comment suppresses an
* error found when Flow v0.111 was deployed. To see the error, delete this
* comment and run Flow. */
...NativeUIManager,
getConstants(): Object {
return getConstants();
},
getViewManagerConfig: function(viewManagerName: string): any {
if (
viewManagerConfigs[viewManagerName] === undefined &&
NativeUIManager.getConstantsForViewManager
) {
try {
viewManagerConfigs[
viewManagerName
] = NativeUIManager.getConstantsForViewManager(viewManagerName);
} catch (e) {
viewManagerConfigs[viewManagerName] = null;
}
}
const config = viewManagerConfigs[viewManagerName];
if (config) {
return config;
}
// If we're in the Chrome Debugger, let's not even try calling the sync
// method.
if (!global.nativeCallSyncHook) {
return config;
}
if (
NativeUIManager.lazilyLoadView &&
!triedLoadingConfig.has(viewManagerName)
) {
const result = NativeUIManager.lazilyLoadView(viewManagerName);
triedLoadingConfig.add(viewManagerName);
if (result.viewConfig) {
getConstants()[viewManagerName] = result.viewConfig;
lazifyViewManagerConfig(viewManagerName);
}
}
return viewManagerConfigs[viewManagerName];
},
};
// TODO (T45220498): Remove this.
// 3rd party libs may be calling `NativeModules.UIManager.getViewManagerConfig()`
// instead of `UIManager.getViewManagerConfig()` off UIManager.js.
// This is a workaround for now.
// $FlowFixMe
NativeUIManager.getViewManagerConfig = UIManagerJS.getViewManagerConfig;
function lazifyViewManagerConfig(viewName) {
const viewConfig = getConstants()[viewName];
viewManagerConfigs[viewName] = viewConfig;
if (viewConfig.Manager) {
defineLazyObjectProperty(viewConfig, 'Constants', {
get: () => {
const viewManager = NativeModules[viewConfig.Manager];
const constants = {};
viewManager &&
Object.keys(viewManager).forEach(key => {
const value = viewManager[key];
if (typeof value !== 'function') {
constants[key] = value;
}
});
return constants;
},
});
defineLazyObjectProperty(viewConfig, 'Commands', {
get: () => {
const viewManager = NativeModules[viewConfig.Manager];
const commands = {};
let index = 0;
viewManager &&
Object.keys(viewManager).forEach(key => {
const value = viewManager[key];
if (typeof value === 'function') {
commands[key] = index++;
}
});
return commands;
},
});
}
}
/**
* Copies the ViewManager constants and commands into UIManager. This is
* only needed for iOS, which puts the constants in the ViewManager
* namespace instead of UIManager, unlike Android.
*/
if (Platform.OS === 'ios') {
Object.keys(getConstants()).forEach(viewName => {
lazifyViewManagerConfig(viewName);
});
} else if (getConstants().ViewManagerNames) {
NativeUIManager.getConstants().ViewManagerNames.forEach(viewManagerName => {
defineLazyObjectProperty(NativeUIManager, viewManagerName, {
get: () => NativeUIManager.getConstantsForViewManager(viewManagerName),
});
});
}
if (!global.nativeCallSyncHook) {
Object.keys(getConstants()).forEach(viewManagerName => {
if (!UIManagerProperties.includes(viewManagerName)) {
if (!viewManagerConfigs[viewManagerName]) {
viewManagerConfigs[viewManagerName] = getConstants()[viewManagerName];
}
defineLazyObjectProperty(NativeUIManager, viewManagerName, {
get: () => {
console.warn(
`Accessing view manager configs directly off UIManager via UIManager['${viewManagerName}'] ` +
`is no longer supported. Use UIManager.getViewManagerConfig('${viewManagerName}') instead.`,
);
return UIManagerJS.getViewManagerConfig(viewManagerName);
},
});
}
});
}
module.exports = UIManagerJS;