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