added missing file

This commit is contained in:
Jan Prochazka
2023-01-27 15:40:20 +01:00
parent dd44798ff4
commit 7c8d225868

View File

@@ -0,0 +1,138 @@
export interface ILogger {
trace(msg: string);
trace(data: {} | Error, msg: string);
debug(msg: string);
debug(data: {} | Error, msg: string);
info(msg: string);
info(data: {} | Error, msg: string);
warn(msg: string);
warn(data: {} | Error, msg: string);
error(msg: string);
error(data: {} | Error, msg: string);
fatal(msg: string);
fatal(data: {} | Error, msg: string);
child(childProps: {}): ILogger;
log(record: ILogRecord);
}
export interface ILogRecord {
level: number;
msg: string;
pid: number;
}
class PinoLikeLogger implements ILogger {
constructor(public config: ILogConfig, public baseProps: {} = {}) {}
trace(msg: string);
trace(data: {} | Error, msg: string);
trace(data, msg?) {
this.log(this.packRecord(logLevelNumbers.trace, data, msg));
}
debug(msg: string);
debug(data: {} | Error, msg: string);
debug(data, msg?) {
this.log(this.packRecord(logLevelNumbers.debug, data, msg));
}
info(msg: string);
info(data: {} | Error, msg: string);
info(data, msg?) {
this.log(this.packRecord(logLevelNumbers.info, data, msg));
}
warn(msg: string);
warn(data: {} | Error, msg: string);
warn(data, msg?) {
this.log(this.packRecord(logLevelNumbers.warn, data, msg));
}
error(msg: string);
error(data: {} | Error, msg: string);
error(data, msg?) {
this.log(this.packRecord(logLevelNumbers.error, data, msg));
}
fatal(msg: string);
fatal(data: {} | Error, msg: string);
fatal(data, msg?) {
this.log(this.packRecord(logLevelNumbers.fatal, data, msg));
}
packRecord(level: number, data, msg?): ILogRecord {
if (msg) {
return {
...this.baseProps,
...data,
level,
msg,
pid: this.config.pid,
};
}
return {
...this.baseProps,
level,
msg: data,
pid: this.config.pid,
};
}
log(record: ILogRecord) {
for (const target of this.config.targets) {
if (record.level < logLevelNames[target.level]) {
continue;
}
switch (target.type) {
case 'console':
console.log(JSON.stringify(record));
break;
case 'stream':
target.stream.write(JSON.stringify(record) + '\n');
break;
}
}
}
child(childProps: {}): ILogger {
return new PinoLikeLogger(this.config, {
...this.baseProps,
...childProps,
});
}
}
export const logLevelNames = {
10: 'trace',
20: 'debug',
30: 'info',
40: 'warn',
50: 'error',
60: 'fatal',
};
export const logLevelNumbers = {
trace: 10,
debug: 20,
info: 30,
warn: 40,
error: 50,
fatal: 60,
};
interface ILogTargetConfig {
level: keyof typeof logLevelNumbers;
type: 'console' | 'stream';
stream?: any;
}
interface ILogConfig {
pid?: number;
targets: ILogTargetConfig[];
}
export function createPinoLikeLogger(config: ILogConfig): ILogger {
return new PinoLikeLogger(config);
}