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import { app, remote } from 'electron';
import log from 'electron-log';
import * as fs from 'fs';
import * as path from 'path';
const LOG_FORMAT = '[{y}-{m}-{d} {h}:{i}:{s}.{ms}][{level}] {text}';
// Returns platform specific logs folder for application
// See open issue and PR on Github:
// 1. https://github.com/electron/electron/issues/10118
// 2. https://github.com/electron/electron/pull/10191
export function getLogsDirectory() {
const theApp = process.type === 'browser' ? app : remote.app;
switch (process.platform) {
case 'darwin':
// macOS: ~/Library/Logs/{appname}
return path.join(theApp.getPath('home'), 'Library/Logs', theApp.name);
default:
// Windows: %LOCALAPPDATA%\{appname}\logs
// Linux: ~/.config/{appname}/logs
return path.join(theApp.getPath('userData'), 'logs');
}
}
export function getMainLogFile(): string {
return path.join(getLogsDirectory(), 'frontend.log');
}
export function getRendererLogFile(): string {
return path.join(getLogsDirectory(), 'frontend-renderer.log');
}
export function setupLogging(logFile: string) {
log.transports.console.format = LOG_FORMAT;
log.transports.file.format = LOG_FORMAT;
log.transports.console.level = 'debug';
if (process.env.NODE_ENV === 'development') {
// Disable log file in development
log.transports.file.level = false;
} else {
// Configure logging to file
log.transports.file.level = 'debug';
log.transports.file.file = logFile;
log.debug(`Logging to ${logFile}`);
}
}
export function backupLogFile(filePath: string): string | undefined {
const ext = path.extname(filePath);
const baseName = path.basename(filePath, ext);
const backupFile = path.join(path.dirname(filePath), baseName + '.old' + ext);
try {
fs.accessSync(filePath);
fs.renameSync(filePath, backupFile);
return backupFile;
} catch (error) {
// No previous log file exists
return undefined;
}
}
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