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Revert "[Bridge] Add support for JS async functions to RCT_EXPORT_METHOD"

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This commit is contained in:
Chace Liang
2015-06-01 20:17:25 -07:00
parent e6c04df5a1
commit 1ed2542b46
4 changed files with 30 additions and 181 deletions
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68
Libraries/BatchedBridge/BatchingImplementation/BatchedBridgeFactory.js
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@@ -19,17 +19,9 @@ var slice = Array.prototype.slice;
var MethodTypes = keyMirror({
remote: null,
remoteAsync: null,
local: null,
});
type ErrorData = {
message: string;
domain: string;
code: number;
nativeStackIOS?: string;
};
/**
* Creates remotely invokable modules.
*/
@@ -44,40 +36,21 @@ var BatchedBridgeFactory = {
*/
_createBridgedModule: function(messageQueue, moduleConfig, moduleName) {
var remoteModule = mapObject(moduleConfig.methods, function(methodConfig, memberName) {
switch (methodConfig.type) {
case MethodTypes.remote:
return function() {
var lastArg = arguments.length > 0 ? arguments[arguments.length - 1] : null;
var secondLastArg = arguments.length > 1 ? arguments[arguments.length - 2] : null;
var hasErrorCB = typeof lastArg === 'function';
var hasSuccCB = typeof secondLastArg === 'function';
hasSuccCB && invariant(
hasErrorCB,
'Cannot have a non-function arg after a function arg.'
);
var numCBs = (hasSuccCB ? 1 : 0) + (hasErrorCB ? 1 : 0);
var args = slice.call(arguments, 0, arguments.length - numCBs);
var onSucc = hasSuccCB ? secondLastArg : null;
var onFail = hasErrorCB ? lastArg : null;
messageQueue.call(moduleName, memberName, args, onSucc, onFail);
};
case MethodTypes.remoteAsync:
return function(...args) {
return new Promise((resolve, reject) => {
messageQueue.call(moduleName, memberName, args, resolve, (errorData) => {
var error = _createErrorFromErrorData(errorData);
reject(error);
});
});
};
case MethodTypes.local:
return null;
default:
throw new Error('Unknown bridge method type: ' + methodConfig.type);
}
return methodConfig.type === MethodTypes.local ? null : function() {
var lastArg = arguments.length > 0 ? arguments[arguments.length - 1] : null;
var secondLastArg = arguments.length > 1 ? arguments[arguments.length - 2] : null;
var hasSuccCB = typeof lastArg === 'function';
var hasErrorCB = typeof secondLastArg === 'function';
hasErrorCB && invariant(
hasSuccCB,
'Cannot have a non-function arg after a function arg.'
);
var numCBs = (hasSuccCB ? 1 : 0) + (hasErrorCB ? 1 : 0);
var args = slice.call(arguments, 0, arguments.length - numCBs);
var onSucc = hasSuccCB ? lastArg : null;
var onFail = hasErrorCB ? secondLastArg : null;
return messageQueue.call(moduleName, memberName, args, onFail, onSucc);
};
});
for (var constName in moduleConfig.constants) {
warning(!remoteModule[constName], 'saw constant and method named %s', constName);
@@ -86,6 +59,7 @@ var BatchedBridgeFactory = {
return remoteModule;
},
create: function(MessageQueue, modulesConfig, localModulesConfig) {
var messageQueue = new MessageQueue(modulesConfig, localModulesConfig);
return {
@@ -106,14 +80,4 @@ var BatchedBridgeFactory = {
}
};
function _createErrorFromErrorData(errorData: ErrorData): Error {
var {
message,
...extraErrorInfo,
} = errorData;
var error = new Error(message);
error.framesToPop = 1;
return Object.assign(error, extraErrorInfo);
}
module.exports = BatchedBridgeFactory;