34 lines
1.1 KiB
TypeScript
34 lines
1.1 KiB
TypeScript
|
// Copyright 2021 Signal Messenger, LLC
|
||
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
||
|
|
|
||
|
|
import { noop } from 'lodash';
|
||
|
|
import { LogLevel } from './shared';
|
||
|
|
|
||
|
|
type LogAtLevelFnType = (
|
||
|
|
level: LogLevel,
|
||
|
|
...args: ReadonlyArray<unknown>
|
||
|
|
) => void;
|
||
|
|
|
||
|
|
let logAtLevel: LogAtLevelFnType = noop;
|
||
|
|
let hasInitialized = false;
|
||
|
|
|
||
|
|
type LogFn = (...args: ReadonlyArray<unknown>) => void;
|
||
|
|
export const fatal: LogFn = (...args) => logAtLevel(LogLevel.Fatal, ...args);
|
||
|
|
export const error: LogFn = (...args) => logAtLevel(LogLevel.Error, ...args);
|
||
|
|
export const warn: LogFn = (...args) => logAtLevel(LogLevel.Warn, ...args);
|
||
|
|
export const info: LogFn = (...args) => logAtLevel(LogLevel.Info, ...args);
|
||
|
|
export const debug: LogFn = (...args) => logAtLevel(LogLevel.Debug, ...args);
|
||
|
|
export const trace: LogFn = (...args) => logAtLevel(LogLevel.Trace, ...args);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the low-level logging interface. Should be called early in a process's life, and
|
||
|
|
* can only be called once.
|
||
|
|
*/
|
||
|
|
export function setLogAtLevel(log: LogAtLevelFnType): void {
|
||
|
|
if (hasInitialized) {
|
||
|
|
throw new Error('Logger has already been initialized');
|
||
|
|
}
|
||
|
|
logAtLevel = log;
|
||
|
|
hasInitialized = true;
|
||
|
|
}
|