108 lines
2.9 KiB
JavaScript
108 lines
2.9 KiB
JavaScript
/**
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @format
|
|
* @flow strict-local
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
import type {
|
|
ReactNativeBaseComponentViewConfig,
|
|
ViewConfigGetter,
|
|
} from './ReactNativeTypes';
|
|
|
|
const invariant = require('fbjs/lib/invariant');
|
|
|
|
// Event configs
|
|
const customBubblingEventTypes = {};
|
|
const customDirectEventTypes = {};
|
|
const eventTypes = {};
|
|
|
|
exports.customBubblingEventTypes = customBubblingEventTypes;
|
|
exports.customDirectEventTypes = customDirectEventTypes;
|
|
exports.eventTypes = eventTypes;
|
|
|
|
const viewConfigCallbacks = new Map();
|
|
const viewConfigs = new Map();
|
|
|
|
function processEventTypes(
|
|
viewConfig: ReactNativeBaseComponentViewConfig,
|
|
): void {
|
|
const {bubblingEventTypes, directEventTypes} = viewConfig;
|
|
|
|
if (__DEV__) {
|
|
if (bubblingEventTypes != null && directEventTypes != null) {
|
|
for (const topLevelType in directEventTypes) {
|
|
invariant(
|
|
bubblingEventTypes[topLevelType] == null,
|
|
'Event cannot be both direct and bubbling: %s',
|
|
topLevelType,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bubblingEventTypes != null) {
|
|
for (const topLevelType in bubblingEventTypes) {
|
|
if (customBubblingEventTypes[topLevelType] == null) {
|
|
eventTypes[topLevelType] = customBubblingEventTypes[topLevelType] =
|
|
bubblingEventTypes[topLevelType];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (directEventTypes != null) {
|
|
for (const topLevelType in directEventTypes) {
|
|
if (customDirectEventTypes[topLevelType] == null) {
|
|
eventTypes[topLevelType] = customDirectEventTypes[topLevelType] =
|
|
directEventTypes[topLevelType];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Registers a native view/component by name.
|
|
* A callback is provided to load the view config from UIManager.
|
|
* The callback is deferred until the view is actually rendered.
|
|
* This is done to avoid causing Prepack deopts.
|
|
*/
|
|
exports.register = function(name: string, callback: ViewConfigGetter): string {
|
|
invariant(
|
|
!viewConfigCallbacks.has(name),
|
|
'Tried to register two views with the same name %s',
|
|
name,
|
|
);
|
|
viewConfigCallbacks.set(name, callback);
|
|
return name;
|
|
};
|
|
|
|
/**
|
|
* Retrieves a config for the specified view.
|
|
* If this is the first time the view has been used,
|
|
* This configuration will be lazy-loaded from UIManager.
|
|
*/
|
|
exports.get = function(name: string): ReactNativeBaseComponentViewConfig {
|
|
let viewConfig;
|
|
if (!viewConfigs.has(name)) {
|
|
const callback = viewConfigCallbacks.get(name);
|
|
invariant(
|
|
typeof callback === 'function',
|
|
'View config not found for name %s',
|
|
name,
|
|
);
|
|
viewConfigCallbacks.set(name, null);
|
|
viewConfig = callback();
|
|
processEventTypes(viewConfig);
|
|
viewConfigs.set(name, viewConfig);
|
|
} else {
|
|
viewConfig = viewConfigs.get(name);
|
|
}
|
|
invariant(viewConfig, 'View config not found for name %s', name);
|
|
return viewConfig;
|
|
};
|