46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
import { debugDump } from './HexUtil.js'
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import { Buffer} from 'node:buffer'
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export default class Logger {
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constructor () {
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this.debugEnabled = false
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this.prefix = ''
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}
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debug (...args) {
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if (!this.debugEnabled) return
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this._print(...args)
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}
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_print (...args) {
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try {
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const strings = this._convertArgsToStrings(...args)
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if (strings.length) {
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if (this.prefix) {
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strings.unshift(this.prefix)
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}
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console.log(...strings)
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}
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} catch (e) {
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console.log('Error while logging: ' + e)
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}
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}
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_convertArgsToStrings (...args) {
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const out = []
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for (const arg of args) {
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if (arg instanceof Error) {
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out.push(arg.stack)
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} else if (arg instanceof Buffer) {
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out.push(debugDump(arg))
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} else if (typeof arg === 'function') {
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const result = arg.call(undefined, (...args) => this._print(...args))
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if (result !== undefined) out.push(...this._convertArgsToStrings(result))
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} else {
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out.push(arg)
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}
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}
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return out
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}
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}
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