@push.rocks/smartlog
Version:
A minimalistic, distributed, and extensible logging tool supporting centralized log management.
123 lines • 9.15 kB
JavaScript
import * as plugins from './smartlog.plugins.js';
import { LogRouter } from './smartlog.classes.logrouter.js';
import { LogGroup } from './smartlog.classes.loggroup.js';
export class Smartlog {
// STATIC
static createForCommitinfo(commitinfo) {
return new Smartlog({
logContext: {
commitinfo,
},
});
}
addLogDestination(logDestinationArg) {
this.logRouter.addLogDestination(logDestinationArg);
}
constructor(optionsArg) {
this.uniInstanceId = plugins.isounique.uni();
this.consoleEnabled = false;
this.logRouter = new LogRouter();
this.logContext = optionsArg.logContext;
this.minimumLogLevel = optionsArg.minimumLogLevel || 'silly';
}
// ============
// Logger Setup
// ============
/**
* enables console logging
*/
enableConsole(optionsArg) {
if (globalThis.process && optionsArg && optionsArg.captureAll) {
const process = globalThis.process;
const originalStdoutWrite = process.stdout.write.bind(process.stdout);
const originalStderrWrite = process.stderr.write.bind(process.stderr);
process.stdout.write = ((...args) => {
const logString = args[0];
if (!logString || typeof logString !== 'string') {
// continue as planned
return originalStdoutWrite(...args);
}
if (!logString.startsWith('LOG')) {
if (logString.includes('Error:')) {
this.log('error', logString);
}
else {
this.log('info', logString);
}
return true;
}
return originalStdoutWrite(...args);
});
process.stderr.write = ((...args) => {
const logString = args[0];
if (!logString || typeof logString !== 'string' || !logString.startsWith('LOG')) {
this.log('error', logString);
return true;
}
return originalStderrWrite(...args);
});
}
this.consoleEnabled = true;
}
// =============
// log functions
// =============
/**
* main log method
* @param logLevelArg - the log level
* @param logMessageArg - the log message
* @param logDataArg - any additional log data
* @param correlationArg - info about corrleations
*/
async log(logLevelArg, logMessageArg, logDataArg, correlationArg) {
correlationArg = {
...{
id: plugins.isounique.uni(),
type: 'none',
instance: this.uniInstanceId,
},
...correlationArg,
};
if (this.consoleEnabled) {
this.safeConsoleLog(`${logLevelArg}: ${logMessageArg}`);
}
const logPackage = {
timestamp: Date.now(),
type: 'log',
context: this.logContext,
level: logLevelArg,
correlation: correlationArg,
message: logMessageArg,
};
if (logDataArg) {
logPackage.data = logDataArg;
}
await this.logRouter.routeLog(logPackage);
}
increment(logLevelArg, logMessageArg, logDataArg, correlationArg = {
id: plugins.isounique.uni(),
type: 'none',
}) {
if (this.consoleEnabled) {
this.safeConsoleLog(`INCREMENT: ${logLevelArg}: ${logMessageArg}`);
}
this.logRouter.routeLog({
timestamp: Date.now(),
type: 'increment',
context: this.logContext,
level: logLevelArg,
message: logMessageArg,
correlation: correlationArg,
});
}
async handleLog(logPackageArg) {
await this.logRouter.routeLog(logPackageArg);
}
safeConsoleLog(logLine) {
console.log(`LOG => ${new Date().getHours()}:${new Date().getMinutes()}:${new Date().getSeconds()} => ${logLine}`);
}
createLogGroup(transactionId = 'none') {
return new LogGroup(this, transactionId);
}
}
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