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			143 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			JavaScript
		
	
			
		
		
	
	
			143 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			JavaScript
		
	
| /* eslint-env node */
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| 
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| /* eslint strict: ['error', 'never'] */
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| 
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| const electron = require('electron');
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| const bunyan = require('bunyan');
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| const _ = require('lodash');
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| 
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| const debuglogs = require('./modules/debuglogs');
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| const Privacy = require('./modules/privacy');
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| 
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| const ipc = electron.ipcRenderer;
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| 
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| // Default Bunyan levels: https://github.com/trentm/node-bunyan#levels
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| // To make it easier to visually scan logs, we make all levels the same length
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| const BLANK_LEVEL = '     ';
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| const LEVELS = {
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|   60: 'fatal',
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|   50: 'error',
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|   40: 'warn ',
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|   30: 'info ',
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|   20: 'debug',
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|   10: 'trace',
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| };
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| 
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| // Backwards-compatible logging, simple strings and no level (defaulted to INFO)
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| function now() {
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|   const date = new Date();
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|   return date.toJSON();
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| }
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| 
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| function log(...args) {
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|   const consoleArgs = ['INFO ', now()].concat(args);
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|   console._log(...consoleArgs);
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| 
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|   // To avoid [Object object] in our log since console.log handles non-strings smoothly
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|   const str = args.map((item) => {
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|     if (typeof item !== 'string') {
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|       try {
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|         return JSON.stringify(item);
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|       } catch (error) {
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|         return item;
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|       }
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|     }
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| 
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|     return item;
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|   });
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| 
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|   const logText = Privacy.redactAll(str.join(' '));
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|   ipc.send('log-info', logText);
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| }
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| 
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| if (window.console) {
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|   console._log = console.log;
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|   console.log = log;
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| }
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| 
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| 
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| // The mechanics of preparing a log for publish
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| 
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| function getHeader() {
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|   let header = window.navigator.userAgent;
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| 
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|   header += ` node/${window.config.node_version}`;
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|   header += ` env/${window.config.environment}`;
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| 
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|   return header;
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| }
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| 
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| function getLevel(level) {
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|   const text = LEVELS[level];
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|   if (!text) {
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|     return BLANK_LEVEL;
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|   }
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| 
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|   return text.toUpperCase();
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| }
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| 
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| function formatLine(entry) {
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|   return `${getLevel(entry.level)} ${entry.time} ${entry.msg}`;
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| }
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| 
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| function format(entries) {
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|   return Privacy.redactAll(entries.map(formatLine).join('\n'));
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| }
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| 
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| function fetch() {
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|   return new Promise((resolve) => {
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|     ipc.send('fetch-log');
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| 
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|     ipc.on('fetched-log', (event, text) => {
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|       const result = `${getHeader()}\n${format(text)}`;
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|       resolve(result);
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|     });
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|   });
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| }
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| 
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| const publish = debuglogs.upload;
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| 
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| // A modern logging interface for the browser
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| 
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| // We create our own stream because we don't want to output JSON to the devtools console.
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| //   Anyway, the default process.stdout stream goes to the command-line, not the devtools.
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| const logger = bunyan.createLogger({
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|   name: 'log',
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|   streams: [{
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|     level: 'debug',
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|     stream: {
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|       write(entry) {
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|         console._log(formatLine(JSON.parse(entry)));
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|       },
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|     },
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|   }],
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| });
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| 
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| // The Bunyan API: https://github.com/trentm/node-bunyan#log-method-api
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| function logAtLevel(level, ...args) {
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|   const ipcArgs = [`log-${level}`].concat(args);
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|   ipc.send(...ipcArgs);
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| 
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|   logger[level](...args);
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| }
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| 
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| window.log = {
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|   fatal: _.partial(logAtLevel, 'fatal'),
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|   error: _.partial(logAtLevel, 'error'),
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|   warn: _.partial(logAtLevel, 'warn'),
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|   info: _.partial(logAtLevel, 'info'),
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|   debug: _.partial(logAtLevel, 'debug'),
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|   trace: _.partial(logAtLevel, 'trace'),
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|   fetch,
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|   publish,
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| };
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| 
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| window.onerror = (message, script, line, col, error) => {
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|   const errorInfo = error && error.stack ? error.stack : JSON.stringify(error);
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|   window.log.error(`Top-level unhandled error: ${errorInfo}`);
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| };
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| 
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| window.addEventListener('unhandledrejection', (rejectionEvent) => {
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|   window.log.error(`Top-level unhandled promise rejection: ${rejectionEvent.reason}`);
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| });
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