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Cleanup and document native module configuration

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Summary: Get rid of the old behaviour of JSON encoding in `nativeRequireModuleConfig` and consistently use the same names for function types "async/promise/sync"

Reviewed By: lexs

Differential Revision: D3819348

fbshipit-source-id: fc798a5abcaf6a3ef9d95bd8654afa7825c83967
This commit is contained in:
Pieter De Baets 2016-09-08 03:59:32 -07:00 committed by Facebook Github Bot 8
parent 28ba749ba0
commit 99e0267c25
9 changed files with 123 additions and 147 deletions
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7
Libraries/BatchedBridge/BatchedBridgedModules/NativeModules.js
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@ -20,6 +20,7 @@ function normalizePrefix(moduleName: string): string {
/**
* Dirty hack to support old (RK) and new (RCT) native module name conventions.
* TODO 10487027: kill this behaviour
*/
Object.keys(RemoteModules).forEach((moduleName) => {
const strippedName = normalizePrefix(moduleName);
@ -46,11 +47,7 @@ Object.keys(RemoteModules).forEach((moduleName) => {
get: () => {
let module = RemoteModules[moduleName];
if (module && typeof module.moduleID === 'number' && global.nativeRequireModuleConfig) {
// The old bridge (still used by iOS) will send the config as
// a JSON string that needs parsing, so we set config according
// to the type of response we got.
const rawConfig = global.nativeRequireModuleConfig(moduleName);
const config = typeof rawConfig === 'string' ? JSON.parse(rawConfig) : rawConfig;
const config = global.nativeRequireModuleConfig(moduleName);
module = config && BatchedBridge.processModuleConfig(config, module.moduleID);
RemoteModules[moduleName] = module;
}

207
Libraries/Utilities/MessageQueue.js
View File

@ -34,9 +34,9 @@ const TRACE_TAG_REACT_APPS = 1 << 17;
const DEBUG_INFO_LIMIT = 32;
const MethodTypes = keyMirror({
remote: null,
remoteAsync: null,
syncHook: null,
async: null,
promise: null,
sync: null,
});
const guard = (fn) => {
@ -78,15 +78,7 @@ class MessageQueue {
lazyProperty(this, 'RemoteModules', () => {
const {remoteModuleConfig} = configProvider();
const modulesConfig = remoteModuleConfig;
const modules = this._genModules(modulesConfig);
if (__DEV__) {
this._genLookupTables(
modulesConfig, this._remoteModuleTable, this._remoteMethodTable
);
}
return modules;
return this._genModules(modulesConfig);
});
}
@ -148,7 +140,7 @@ class MessageQueue {
const info = this._genModule(config, moduleID);
this.RemoteModules[info.name] = info.module;
if (__DEV__) {
this._genLookup(config, moduleID, this._remoteModuleTable, this._remoteMethodTable);
this._createDebugLookup(config, moduleID, this._remoteModuleTable, this._remoteMethodTable);
}
return info.module;
}
@ -157,10 +149,13 @@ class MessageQueue {
return new Date().getTime() - this._eventLoopStartTime;
}
registerCallableModule(name, methods) {
this._callableModules[name] = methods;
}
/**
* "Private" methods
*/
__callImmediates() {
Systrace.beginEvent('JSTimersExecution.callImmediates()');
guard(() => JSTimersExecution.callImmediates());
@ -181,7 +176,6 @@ class MessageQueue {
onSucc && params.push(this._callbackID);
this._callbacks[this._callbackID++] = onSucc;
}
var preparedParams = this._serializeNativeParams ? JSON.stringify(params) : params;
if (__DEV__) {
global.nativeTraceBeginAsyncFlow &&
@ -191,6 +185,8 @@ class MessageQueue {
this._queue[MODULE_IDS].push(module);
this._queue[METHOD_IDS].push(method);
const preparedParams = this._serializeNativeParams ? JSON.stringify(params) : params;
this._queue[PARAMS].push(preparedParams);
const now = new Date().getTime();
@ -279,13 +275,91 @@ class MessageQueue {
* Private helper methods
*/
_genLookupTables(modulesConfig, moduleTable, methodTable) {
modulesConfig.forEach((config, moduleID) => {
this._genLookup(config, moduleID, moduleTable, methodTable);
});
_genModules(remoteModules) {
const modules = {};
remoteModules.forEach((config, moduleID) => {
// Initially this config will only contain the module name when running in JSC. The actual
// configuration of the module will be lazily loaded (see NativeModules.js) and updated
// through processModuleConfig.
const info = this._genModule(config, moduleID);
if (info) {
modules[info.name] = info.module;
}
_genLookup(config, moduleID, moduleTable, methodTable) {
if (__DEV__) {
this._createDebugLookup(config, moduleID, this._remoteModuleTable, this._remoteMethodTable);
}
});
return modules;
}
_genModule(config, moduleID): ?Object {
if (!config) {
return null;
}
let moduleName, constants, methods, promiseMethods, syncMethods;
if (moduleHasConstants(config)) {
[moduleName, constants, methods, promiseMethods, syncMethods] = config;
} else {
[moduleName, methods, promiseMethods, syncMethods] = config;
}
const module = {};
methods && methods.forEach((methodName, methodID) => {
const isPromise = promiseMethods && arrayContains(promiseMethods, methodID);
const isSync = syncMethods && arrayContains(syncMethods, methodID);
invariant(!isPromise || !isSync, 'Cannot have a method that is both async and a sync hook');
const methodType = isPromise ? MethodTypes.promise :
isSync ? MethodTypes.sync : MethodTypes.async;
module[methodName] = this._genMethod(moduleID, methodID, methodType);
});
Object.assign(module, constants);
if (!constants && !methods && !promiseMethods) {
module.moduleID = moduleID;
}
return { name: moduleName, module };
}
_genMethod(module, method, type) {
let fn = null;
const self = this;
if (type === MethodTypes.promise) {
fn = function(...args) {
return new Promise((resolve, reject) => {
self.__nativeCall(module, method, args,
(data) => resolve(data),
(errorData) => reject(createErrorFromErrorData(errorData)));
});
};
} else if (type === MethodTypes.sync) {
fn = function(...args) {
return global.nativeCallSyncHook(module, method, args);
};
} else {
fn = function(...args) {
const lastArg = args.length > 0 ? args[args.length - 1] : null;
const secondLastArg = args.length > 1 ? args[args.length - 2] : null;
const hasSuccessCallback = typeof lastArg === 'function';
const hasErrorCallback = typeof secondLastArg === 'function';
hasErrorCallback && invariant(
hasSuccessCallback,
'Cannot have a non-function arg after a function arg.'
);
const onSuccess = hasSuccessCallback ? lastArg : null;
const onFail = hasErrorCallback ? secondLastArg : null;
const callbackCount = hasSuccessCallback + hasErrorCallback;
args = args.slice(0, args.length - callbackCount);
return self.__nativeCall(module, method, args, onFail, onSuccess);
};
}
fn.type = type;
return fn;
}
_createDebugLookup(config, moduleID, moduleTable, methodTable) {
if (!config) {
return;
}
@ -300,99 +374,6 @@ class MessageQueue {
moduleTable[moduleID] = moduleName;
methodTable[moduleID] = Object.assign({}, methods);
}
_genModules(remoteModules) {
const modules = {};
remoteModules.forEach((config, moduleID) => {
const info = this._genModule(config, moduleID);
if (info) {
modules[info.name] = info.module;
}
});
return modules;
}
_genModule(config, moduleID): ?Object {
if (!config) {
return null;
}
let moduleName, constants, methods, asyncMethods, syncHooks;
if (moduleHasConstants(config)) {
[moduleName, constants, methods, asyncMethods, syncHooks] = config;
} else {
[moduleName, methods, asyncMethods, syncHooks] = config;
}
const module = {};
methods && methods.forEach((methodName, methodID) => {
const isAsync = asyncMethods && arrayContains(asyncMethods, methodID);
const isSyncHook = syncHooks && arrayContains(syncHooks, methodID);
invariant(!isAsync || !isSyncHook, 'Cannot have a method that is both async and a sync hook');
const methodType = isAsync ? MethodTypes.remoteAsync :
isSyncHook ? MethodTypes.syncHook :
MethodTypes.remote;
module[methodName] = this._genMethod(moduleID, methodID, methodType);
});
Object.assign(module, constants);
if (!constants && !methods && !asyncMethods) {
module.moduleID = moduleID;
}
return { name: moduleName, module };
}
_genMethod(module, method, type) {
let fn = null;
const self = this;
if (type === MethodTypes.remoteAsync) {
fn = function(...args) {
return new Promise((resolve, reject) => {
self.__nativeCall(
module,
method,
args,
(data) => {
resolve(data);
},
(errorData) => {
var error = createErrorFromErrorData(errorData);
reject(error);
});
});
};
} else if (type === MethodTypes.syncHook) {
return function(...args) {
return global.nativeCallSyncHook(module, method, args);
};
} else {
fn = function(...args) {
const lastArg = args.length > 0 ? args[args.length - 1] : null;
const secondLastArg = args.length > 1 ? args[args.length - 2] : null;
const hasSuccCB = typeof lastArg === 'function';
const hasErrorCB = typeof secondLastArg === 'function';
hasErrorCB && invariant(
hasSuccCB,
'Cannot have a non-function arg after a function arg.'
);
const numCBs = hasSuccCB + hasErrorCB;
const onSucc = hasSuccCB ? lastArg : null;
const onFail = hasErrorCB ? secondLastArg : null;
args = args.slice(0, args.length - numCBs);
return self.__nativeCall(module, method, args, onFail, onSucc);
};
}
fn.type = type;
return fn;
}
registerCallableModule(name, methods) {
this._callableModules[name] = methods;
}
}
function moduleHasConstants(moduleArray: Array<Object|Array<>>): boolean {

5
React/Executors/RCTJSCExecutor.mm
View File

@ -423,15 +423,14 @@ static NSThread *newJavaScriptThread(void)
__weak RCTJSCExecutor *weakSelf = self;
context[@"nativeRequireModuleConfig"] = ^NSString *(NSString *moduleName) {
context[@"nativeRequireModuleConfig"] = ^NSArray *(NSString *moduleName) {
RCTJSCExecutor *strongSelf = weakSelf;
if (!strongSelf.valid) {
return nil;
}
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"nativeRequireModuleConfig", @{ @"moduleName": moduleName });
NSArray *config = [strongSelf->_bridge configForModuleName:moduleName];
NSString *result = config ? RCTJSONStringify(config, NULL) : nil;
NSArray *result = [strongSelf->_bridge configForModuleName:moduleName];
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"js_call,config");
return result;
};

16
ReactAndroid/src/main/java/com/facebook/react/bridge/BaseJavaModule.java
View File

@ -50,9 +50,9 @@ import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_JAVA_BRIDGE;
*/
public abstract class BaseJavaModule implements NativeModule {
// taken from Libraries/Utilities/MessageQueue.js
static final public String METHOD_TYPE_REMOTE = "remote";
static final public String METHOD_TYPE_REMOTE_ASYNC = "remoteAsync";
static final public String METHOD_TYPE_SYNC_HOOK = "syncHook";
static final public String METHOD_TYPE_ASYNC = "async";
static final public String METHOD_TYPE_PROMISE= "promise";
static final public String METHOD_TYPE_SYNC = "sync";
private static abstract class ArgumentExtractor<T> {
public int getJSArgumentsNeeded() {
@ -164,7 +164,7 @@ public abstract class BaseJavaModule implements NativeModule {
private final ArgumentExtractor[] mArgumentExtractors;
private final String mSignature;
private final Object[] mArguments;
private String mType = METHOD_TYPE_REMOTE;
private String mType = METHOD_TYPE_ASYNC;
private final int mJSArgumentsNeeded;
private final String mTraceName;
@ -203,7 +203,7 @@ public abstract class BaseJavaModule implements NativeModule {
} else if (paramClass == Promise.class) {
Assertions.assertCondition(
i == paramTypes.length - 1, "Promise must be used as last parameter only");
mType = METHOD_TYPE_REMOTE_ASYNC;
mType = METHOD_TYPE_PROMISE;
}
builder.append(paramTypeToChar(paramClass));
}
@ -254,7 +254,7 @@ public abstract class BaseJavaModule implements NativeModule {
argumentExtractors[i] = ARGUMENT_EXTRACTOR_PROMISE;
Assertions.assertCondition(
paramIndex == paramTypes.length - 1, "Promise must be used as last parameter only");
mType = METHOD_TYPE_REMOTE_ASYNC;
mType = METHOD_TYPE_PROMISE;
} else if (argumentClass == ReadableMap.class) {
argumentExtractors[i] = ARGUMENT_EXTRACTOR_MAP;
} else if (argumentClass == ReadableArray.class) {
@ -339,8 +339,8 @@ public abstract class BaseJavaModule implements NativeModule {
/**
* Determines how the method is exported in JavaScript:
* METHOD_TYPE_REMOTE for regular methods
* METHOD_TYPE_REMOTE_ASYNC for methods that return a promise object to the caller.
* METHOD_TYPE_ASYNC for regular methods
* METHOD_TYPE_PROMISE for methods that return a promise object to the caller.
*/
@Override
public String getType() {

2
ReactAndroid/src/main/java/com/facebook/react/bridge/Promise.java
View File

@ -16,7 +16,7 @@ import javax.annotation.Nullable;
* method parameter.
*
* Methods annotated with {@link ReactMethod} that use {@link Promise} as type of the last parameter
* will be marked as "remoteAsync" and will return a promise when invoked from JavaScript.
* will be marked as "promise" and will return a promise when invoked from JavaScript.
*/
public interface Promise {

2
ReactAndroid/src/main/java/com/facebook/react/cxxbridge/JavaModuleWrapper.java
View File

@ -108,7 +108,7 @@ import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_JAVA_BRIDGE;
mModule.getSyncHooks().entrySet()) {
MethodDescriptor md = new MethodDescriptor();
md.name = entry.getKey();
md.type = BaseJavaModule.METHOD_TYPE_SYNC_HOOK;
md.type = BaseJavaModule.METHOD_TYPE_SYNC;
BaseJavaModule.SyncJavaHook method = (BaseJavaModule.SyncJavaHook) entry.getValue();
md.method = method.getMethod();

4
ReactAndroid/src/main/jni/xreact/jni/CxxModuleWrapper.cpp
View File

@ -53,9 +53,9 @@ public:
std::string getType() {
if (method_->func) {
return "remote";
return "async";
} else {
return "syncHook";
return "sync";
}
}

6
ReactCommon/cxxreact/CxxNativeModule.cpp
View File

@ -37,14 +37,10 @@ std::string CxxNativeModule::getName() {
}
std::vector<MethodDescriptor> CxxNativeModule::getMethods() {
// Same as MessageQueue.MethodTypes.remote
static const auto kMethodTypeRemote = "remote";
static const auto kMethodTypeSyncHook = "syncHook";
std::vector<MethodDescriptor> descs;
for (auto& method : methods_) {
assert(method.func || method.syncFunc);
descs.emplace_back(method.name, method.func ? kMethodTypeRemote : kMethodTypeSyncHook);
descs.emplace_back(method.name, method.func ? "async" : "sync");
}
return descs;
}

23
ReactCommon/cxxreact/ModuleRegistry.cpp
View File

@ -48,7 +48,7 @@ folly::dynamic ModuleRegistry::getConfig(const std::string& name) {
NativeModule* module = modules_[it->second].get();
// string name, [object constants,] array methodNames (methodId is index), [array asyncMethodIds]
// string name, [object constants,] array methodNames (methodId is index), [array promiseMethodIds], [array syncMethodIds]
folly::dynamic config = folly::dynamic::array(name);
{
@ -64,23 +64,26 @@ folly::dynamic ModuleRegistry::getConfig(const std::string& name) {
std::vector<MethodDescriptor> methods = module->getMethods();
folly::dynamic methodNames = folly::dynamic::array;
folly::dynamic asyncMethodIds = folly::dynamic::array;
folly::dynamic syncHookIds = folly::dynamic::array;
folly::dynamic promiseMethodIds = folly::dynamic::array;
folly::dynamic syncMethodIds = folly::dynamic::array;
for (auto& descriptor : methods) {
// TODO: #10487027 compare tags instead of doing string comparison?
methodNames.push_back(std::move(descriptor.name));
if (descriptor.type == "remoteAsync") {
asyncMethodIds.push_back(methodNames.size() - 1);
} else if (descriptor.type == "syncHook") {
syncHookIds.push_back(methodNames.size() - 1);
if (descriptor.type == "promise") {
promiseMethodIds.push_back(methodNames.size() - 1);
} else if (descriptor.type == "sync") {
syncMethodIds.push_back(methodNames.size() - 1);
}
}
if (!methodNames.empty()) {
config.push_back(std::move(methodNames));
config.push_back(std::move(asyncMethodIds));
if (!syncHookIds.empty()) {
config.push_back(std::move(syncHookIds));
if (!promiseMethodIds.empty() || !syncMethodIds.empty()) {
config.push_back(std::move(promiseMethodIds));
if (!syncMethodIds.empty()) {
config.push_back(std::move(syncMethodIds));
}
}
}
}