60 lines
1.7 KiB
JavaScript
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 + '.') : ''}${info.method}(${JSON.stringify(args)})`;
|
|
}),
|
|
);
|
|
},
|
|
onIterate: () => {
|
|
spyBuffer = [];
|
|
},
|
|
});
|
|
},
|
|
};
|
|
|
|
module.exports = BridgeSpyStallHandler;
|