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Kody Greenbaum 26764d4179 Revert D5470356: [react-native] Increase information logged to MessageQueue.spy
Differential Revision: D5470356

fbshipit-source-id: 27b247ac3c538f801c1f9a86f74fb3098064e92e
2017-07-25 11:53:20 -07:00

60 lines
1.7 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule BridgeSpyStallHandler
* @flow
*/
'use strict';
const JSEventLoopWatchdog = require('JSEventLoopWatchdog');
const MessageQueue = require('MessageQueue');
const infoLog = require('infoLog');
const BridgeSpyStallHandler = {
register: function() {
let spyBuffer = [];
MessageQueue.spy((data) => {
spyBuffer.push(data);
});
const TO_JS = 0;
JSEventLoopWatchdog.addHandler({
onStall: () => {
infoLog(
spyBuffer.length + ' bridge messages during stall: ',
spyBuffer.map((info) => {
let args = '<args>';
try {
args = JSON.stringify(info.args);
} catch (e1) {
if (Array.isArray(info.args)) {
args = info.args.map((arg) => {
try {
return JSON.stringify(arg);
} catch (e2) {
return '?';
}
});
} else {
args = 'keys:' + JSON.stringify(Object.keys(info.args));
}
}
return `${info.type === TO_JS ? 'N->JS' : 'JS->N'} : ` +
`${info.module ? (info.module + '.') : ''}${info.method}(${args})`;
}),
);
},
onIterate: () => {
spyBuffer = [];
},
});
},
};
module.exports = BridgeSpyStallHandler;