Eric Bailey
91 lines
2.0 KiB
TypeScript
91 lines
2.0 KiB
TypeScript
import format from 'date-fns/format'
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import {LogLevel, Transport} from '#/logger/types'
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import {prepareMetadata} from '#/logger/util'
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import {isWeb} from '#/platform/detection'
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/**
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* Used in dev mode to nicely log to the console
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*/
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export const consoleTransport: Transport = (
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level,
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context,
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message,
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metadata,
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timestamp,
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) => {
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/**
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* Color handling copied from Kleur
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*
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* @see https://github.com/lukeed/kleur/blob/fa3454483899ddab550d08c18c028e6db1aab0e5/colors.mjs#L13
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*/
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const colors: {
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[key: string]: [number, number]
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} = {
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default: [0, 0],
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blue: [36, 39],
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green: [32, 39],
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magenta: [35, 39],
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red: [31, 39],
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yellow: [33, 39],
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}
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function withColor([x, y]: [number, number]) {
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const rgx = new RegExp(`\\x1b\\[${y}m`, 'g')
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const open = `\x1b[${x}m`,
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close = `\x1b[${y}m`
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return function (txt: string) {
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if (txt == null) return txt
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return (
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open +
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(~('' + txt).indexOf(close) ? txt.replace(rgx, close + open) : txt) +
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close
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)
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}
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}
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const hasMetadata = Object.keys(metadata).length
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const colorize = withColor(
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{
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[LogLevel.Debug]: colors.magenta,
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[LogLevel.Info]: colors.blue,
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[LogLevel.Log]: colors.green,
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[LogLevel.Warn]: colors.yellow,
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[LogLevel.Error]: colors.red,
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}[level],
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)
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let msg = `${colorize(format(timestamp, 'HH:mm:ss'))}`
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if (context) {
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msg += ` ${colorize(`(${context})`)}`
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}
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if (message) {
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msg += ` ${message.toString()}`
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}
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if (isWeb) {
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if (hasMetadata) {
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console.groupCollapsed(msg)
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console.log(metadata)
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console.groupEnd()
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} else {
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console.log(msg)
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}
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if (message instanceof Error) {
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// for stacktrace
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console.error(message)
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}
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} else {
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if (hasMetadata) {
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msg += ` ${JSON.stringify(prepareMetadata(metadata), null, 2)}`
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}
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console.log(msg)
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if (message instanceof Error) {
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// for stacktrace
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console.error(message)
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}
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}
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}
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