This commit is contained in:
Pascal Perrenoud
2024-07-27 13:35:17 +02:00
parent 27779a07f0
commit abc41ac749
3 changed files with 88 additions and 82 deletions
+13 -8
View File
@@ -1,14 +1,19 @@
import {Chalk} from 'chalk'
import {Level} from './types'
const chalk = new Chalk({ level: 2 }) // 256 colors
const chalk = new Chalk({level: 2}) // 256 colors
export function get_color(level: Level) {
switch (level) {
case Level.DEBUG: return chalk.blueBright
case Level.TRACE: return chalk.green
case Level.INFO: return (str: string) => str
case Level.WARNING: return chalk.hex('#FFA500')
case Level.ERROR: return chalk.red
}
switch (level) {
case Level.DEBUG:
return chalk.blueBright
case Level.TRACE:
return chalk.green
case Level.INFO:
return (str: string) => str
case Level.WARNING:
return chalk.hex('#FFA500')
case Level.ERROR:
return chalk.red
}
}
+61 -60
View File
@@ -1,80 +1,81 @@
import {Level, type Options, type Writer} from './types'
import {get_color} from './color'
export const writers = new Map<string, Writer>
export const writers = new Map<string, Writer>()
export let options: Options = {
format: "[$time] $level $namespace :",
pad_level: true,
verbose: true,
format: '[$time] $level $namespace :',
pad_level: true,
verbose: true
}
export class Logger {
constructor(
private readonly _namespace: string
) {}
constructor(private readonly _namespace: string) {}
public get namespace() : string {
return this._namespace
}
public get namespace(): string {
return this._namespace
}
public extend(sub_namespace: string) : Logger {
return new Logger(`${this.namespace}:${sub_namespace}`)
}
public extend(sub_namespace: string): Logger {
return new Logger(`${this.namespace}:${sub_namespace}`)
}
public debug(...data: any[]) : void {
log(data, Level.DEBUG, this._namespace)
}
public debug(...data: any[]): void {
log(data, Level.DEBUG, this._namespace)
}
public trace(...data: any[]) : void {
log(data, Level.TRACE, this._namespace)
}
public trace(...data: any[]): void {
log(data, Level.TRACE, this._namespace)
}
public info(...data: any[]) : void {
log(data, Level.INFO, this._namespace)
}
public info(...data: any[]): void {
log(data, Level.INFO, this._namespace)
}
public warn(...data: any[]) : void {
log(data, Level.WARNING, this._namespace)
}
public warn(...data: any[]): void {
log(data, Level.WARNING, this._namespace)
}
public error(...data: any[]) : void {
log(data, Level.ERROR, this._namespace)
}
public error(...data: any[]): void {
log(data, Level.ERROR, this._namespace)
}
}
function log(message: any[], level: Level, namespace: string) : void {
if (writers.size === 0) {
if (options.verbose) console.log("No writer subscribed, discard message")
return
}
// Format header of log
const head = options.format
.replace("$time", new Date().toISOString())
.replace("$namespace", namespace)
let lvl = get_string(level)
if (!options.pad_level) lvl = lvl.trimEnd()
const head_color = head.replace('$level', get_color(level)(lvl))
const head_bw = head.replace('$level', lvl)
for (const [name, writer] of writers.entries()) {
const options = writer.options
if (options?.minLevel > level) {
if (options.verbose) console.log(`Writer's level is lower, discard message for ${name}`)
continue
}
writer.log(level, options?.with_color ? head_color : head_bw, ...message)
function log(message: any[], level: Level, namespace: string): void {
if (writers.size === 0) {
if (options.verbose) console.log('No writer subscribed, discard message')
return
}
// Format header of log
const head = options.format.replace('$time', new Date().toISOString()).replace('$namespace', namespace)
let lvl = get_string(level)
if (!options.pad_level) lvl = lvl.trimEnd()
const head_color = head.replace('$level', get_color(level)(lvl))
const head_bw = head.replace('$level', lvl)
for (const [name, writer] of writers.entries()) {
const options = writer.options
if (options?.minLevel > level) {
if (options.verbose) console.log(`Writer's level is lower, discard message for ${name}`)
continue
}
writer.log(level, options?.with_color ? head_color : head_bw, ...message)
}
}
function get_string(level: Level) : string {
switch (level) {
case Level.DEBUG: return "DEBUG "
case Level.TRACE: return "TRACE "
case Level.INFO: return "INFO "
case Level.WARNING: return "WARNING"
case Level.ERROR: return "ERROR "
}
function get_string(level: Level): string {
switch (level) {
case Level.DEBUG:
return 'DEBUG '
case Level.TRACE:
return 'TRACE '
case Level.INFO:
return 'INFO '
case Level.WARNING:
return 'WARNING'
case Level.ERROR:
return 'ERROR '
}
}
+14 -14
View File
@@ -4,27 +4,27 @@
* Format : can contain $time, $level and $namespace
*/
export type Options = {
format: string,
pad_level: boolean,
verbose: boolean,
format: string
pad_level: boolean
verbose: boolean
}
export enum Level {
TRACE = 0,
DEBUG = 1,
INFO = 2,
WARNING = 3,
ERROR = 4,
TRACE = 0,
DEBUG = 1,
INFO = 2,
WARNING = 3,
ERROR = 4
}
export type WriterOptions = {
minLevel: Level,
with_color: boolean,
[key: string | number | symbol]: any,
minLevel: Level
with_color: boolean
[key: string | number | symbol]: any
}
export interface Writer {
log(level: Level, ...data: any[]) : void;
get options() : WriterOptions;
readonly _options: WriterOptions;
log(level: Level, ...data: any[]): void
get options(): WriterOptions
readonly _options: WriterOptions
}