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Added deferred module loading feature

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Reviewed By: javache

Differential Revision: D2717687

fb-gh-sync-id: 4c03c721c794a2e7ac67a0b20474129fde7f0a0d
This commit is contained in:
Nick Lockwood
2015-12-10 04:27:45 -08:00
committed by facebook-github-bot-7
parent 5775d9e1d0
commit d138403c2e
6 changed files with 176 additions and 119 deletions
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107
Libraries/Utilities/MessageQueue.js
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@@ -66,8 +66,6 @@ class MessageQueue {
this._genModulesConfig(localModules),this._moduleTable, this._methodTable
);
this._copyNativeComponentConstants(this.RemoteModules);
this._debugInfo = {};
this._remoteModuleTable = {};
this._remoteMethodTable = {};
@@ -105,6 +103,12 @@ class MessageQueue {
return queue[0].length ? queue : null;
}
processModuleConfig(config, moduleID) {
const module = this._genModule(config, moduleID);
this._genLookup(config, moduleID, this._remoteModuleTable, this._remoteMethodTable)
return module;
}
/**
* "Private" methods
*/
@@ -200,30 +204,6 @@ class MessageQueue {
* Private helper methods
*/
/**
* Copies the ViewManager constants into UIManager. This is only
* needed for iOS, which puts the constants in the ViewManager
* namespace instead of UIManager, unlike Android.
*/
_copyNativeComponentConstants(remoteModules) {
let UIManager = remoteModules.RCTUIManager;
UIManager && Object.keys(UIManager).forEach(viewName => {
let viewConfig = UIManager[viewName];
if (viewConfig.Manager) {
const viewManager = remoteModules[viewConfig.Manager];
viewManager && Object.keys(viewManager).forEach(key => {
const value = viewManager[key];
if (typeof value !== 'function') {
if (!viewConfig.Constants) {
viewConfig.Constants = {};
}
viewConfig.Constants[key] = value;
}
});
}
});
}
/**
* Converts the old, object-based module structure to the new
* array-based structure. TODO (t8823865) Removed this
@@ -269,55 +249,62 @@ class MessageQueue {
}
_genLookupTables(modulesConfig, moduleTable, methodTable) {
modulesConfig.forEach((module, moduleID) => {
if (!module) {
return;
}
let moduleName, methods;
if (moduleHasConstants(module)) {
[moduleName, , methods] = module;
} else {
[moduleName, methods] = module;
}
moduleTable[moduleID] = moduleName;
methodTable[moduleID] = Object.assign({}, methods);
modulesConfig.forEach((config, moduleID) => {
this._genLookup(config, moduleID, moduleTable, methodTable);
});
}
_genLookup(config, moduleID, moduleTable, methodTable) {
if (!config) {
return;
}
let moduleName, methods;
if (moduleHasConstants(config)) {
[moduleName, , methods] = config;
} else {
[moduleName, methods] = config;
}
moduleTable[moduleID] = moduleName;
methodTable[moduleID] = Object.assign({}, methods);
}
_genModules(remoteModules) {
remoteModules.forEach((module, moduleID) => {
if (!module) {
return;
}
let moduleName, constants, methods, asyncMethods;
if (moduleHasConstants(module)) {
[moduleName, constants, methods, asyncMethods] = module;
} else {
[moduleName, methods, asyncMethods] = module;
}
const moduleConfig = {moduleID, constants, methods, asyncMethods};
this.RemoteModules[moduleName] = this._genModule({}, moduleConfig);
remoteModules.forEach((config, moduleID) => {
this._genModule(config, moduleID);
});
}
_genModule(module, moduleConfig) {
const {moduleID, constants, methods = [], asyncMethods = []} = moduleConfig;
_genModule(config, moduleID) {
if (!config) {
return;
}
methods.forEach((methodName, methodID) => {
let moduleName, constants, methods, asyncMethods;
if (moduleHasConstants(config)) {
[moduleName, constants, methods, asyncMethods] = config;
} else {
[moduleName, methods, asyncMethods] = config;
}
let module = {};
methods && methods.forEach((methodName, methodID) => {
const methodType =
arrayContains(asyncMethods, methodID) ?
asyncMethods && arrayContains(asyncMethods, methodID) ?
MethodTypes.remoteAsync : MethodTypes.remote;
module[methodName] = this._genMethod(moduleID, methodID, methodType);
});
Object.assign(module, constants);
if (!constants && !methods && !asyncMethods) {
module.moduleID = moduleID;
}
this.RemoteModules[moduleName] = module;
return module;
}
_genMethod(module, method, type) {
let fn = null;
let self = this;