q13x-eaglerproxy/logger.ts

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TypeScript
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2022-12-18 05:39:38 -08:00
import { Chalk } from "chalk"
const color = new Chalk({ level: 2 })
let global_verbose: boolean = false
type JsonLogType = "info" | "warn" | "error" | "fatal" | "debug"
type JsonOutput = {
type: JsonLogType,
message: string
}
export function verboseLogging(newVal?: boolean) {
global_verbose = newVal ?? global_verbose ? false : true
}
function jsonLog(type: JsonLogType, message: string): string {
return JSON.stringify({
type: type,
message: message
}) + "\n"
}
export class Logger {
loggerName: string
verbose: boolean
private jsonLog: boolean = process.argv.includes("--json") || process.argv.includes("-j")
constructor(name: string, verbose?: boolean) {
this.loggerName = name
if (verbose) this.verbose = verbose
else this.verbose = global_verbose
}
info(s: string) {
if (!this.jsonLog) process.stdout.write(`${color.green("I")} ${color.gray(new Date().toISOString())} ${color.reset(`${color.yellow(`${this.loggerName}:`)} ${s}`)}\n`)
else process.stdout.write(jsonLog("info", s))
}
warn(s: string) {
if (!this.jsonLog) process.stdout.write(`${color.yellow("W")} ${color.gray(new Date().toISOString())} ${color.yellow(`${color.yellow(`${this.loggerName}:`)} ${s}`)}\n`)
else process.stderr.write(jsonLog("warn", s))
}
error(s: string) {
if (!this.jsonLog) process.stderr.write(`* ${color.red("E")} ${color.gray(new Date().toISOString())} ${color.redBright(`${color.red(`${this.loggerName}:`)} ${s}`)}\n`)
else process.stderr.write(jsonLog("error", s))
}
fatal(s: string) {
if (!this.jsonLog) process.stderr.write(`** ${color.red("F!")} ${color.gray(new Date().toISOString())} ${color.bgRedBright(color.redBright(`${color.red(`${this.loggerName}:`)} ${s}`))}\n`)
else process.stderr.write(jsonLog("fatal", s))
}
debug(s: string) {
if (this.verbose || global_verbose) {
if (!this.jsonLog) process.stderr.write(`${color.gray("D")} ${color.gray(new Date().toISOString())} ${color.gray(`${color.gray(`${this.loggerName}:`)} ${s}`)}\n`)
else process.stderr.write(jsonLog("debug", s))
}
}
}