jiti-meet/react/features/base/logging/LogTransport.native.js

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// @flow
import { NativeModules } from 'react-native';
import { format } from 'util';
// Some code adapted from https://github.com/houserater/react-native-lumberjack
// License: MIT
const { LogBridge } = NativeModules;
/**
* Returns the stack trace for a given @code {Error} object.
*
* @param {Error} e - The error.
* @returns {string} - The stack trace.
*/
function stackToString(e) {
let ce;
let s = e.stack;
if (typeof e.cause === 'function' && (ce = e.cause())) {
s += `\nCaused by: ${stackToString(ce)}`;
}
return s;
}
/**
* Constructs a log transport object for use with @jitsi/logger.
*
* @returns {Object} - The transport object.
*/
function buildTransport() {
return [
'trace',
'debug',
'info',
'log',
'warn',
'error'
].reduce((logger, logName) => {
logger[logName] = (timestamp: string, ...args: Array<string>) => {
// It ignores the timestamp argument, because LogBridge will add it on the native side anyway
const nargs = args.map(arg => {
if (arg instanceof Error) {
const errorBody = {
message: arg.message,
code: arg.code,
stack: stackToString(arg)
};
return `Error(${arg.name})${JSON.stringify(errorBody)}`;
}
return arg;
});
const message = format(...nargs);
LogBridge[logName](message);
};
return logger;
}, {});
}
export default buildTransport();