wallet-core/src/util/logging.ts
2020-04-06 23:32:01 +05:30

88 lines
2.3 KiB
TypeScript

/*
This file is part of TALER
(C) 2019 GNUnet e.V.
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Imports.
*/
import { isNode } from "../webex/compat";
function writeNodeLog(
message: string,
tag: string,
level: string,
args: any[],
): void {
process.stderr.write(`${new Date().toISOString()} ${tag} ${level} `);
process.stderr.write(message);
if (args.length != 0) {
process.stderr.write(" ");
process.stderr.write(JSON.stringify(args, undefined, 2));
}
process.stderr.write("\n");
}
/**
* Logger that writes to stderr when running under node,
* and uses the corresponding console.* method to log in the browser.
*/
export class Logger {
constructor(private tag: string) {}
info(message: string, ...args: any[]): void {
if (isNode()) {
writeNodeLog(message, this.tag, "INFO", args);
} else {
console.info(
`${new Date().toISOString()} ${this.tag} INFO ` + message,
...args,
);
}
}
warn(message: string, ...args: any[]): void {
if (isNode()) {
writeNodeLog(message, this.tag, "WARN", args);
} else {
console.warn(
`${new Date().toISOString()} ${this.tag} INFO ` + message,
...args,
);
}
}
error(message: string, ...args: any[]): void {
if (isNode()) {
writeNodeLog(message, this.tag, "ERROR", args);
} else {
console.info(
`${new Date().toISOString()} ${this.tag} ERROR ` + message,
...args,
);
}
}
trace(message: any, ...args: any[]): void {
if (isNode()) {
writeNodeLog(message, this.tag, "TRACE", args);
} else {
console.info(
`${new Date().toISOString()} ${this.tag} TRACE ` + message,
...args,
);
}
}
}