[READ-ONLY] Mirror of https://github.com/sxzz/obug. A lightweight JavaScript debugging utility, forked from debug, featuring TypeScript and ESM support.
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160import { createRequire } from 'node:module'import { isatty } from 'node:tty'import { formatWithOptions, inspect } from 'node:util'import { setup } from './core.ts'import { humanize as _humanize } from './utils.ts'import type { Debug, Debugger, InspectOptions } from './types.ts'
const require = createRequire(import.meta.url)
/** * Invokes `util.formatWithOptions()` with the specified arguments and writes to stderr. */export function log(...args: any[]): void { process.stderr.write(`${formatWithOptions(inspectOpts, ...args)}\n`)}
const colors: number[] = process.stderr.getColorDepth && process.stderr.getColorDepth() > 2 ? [ 20, 21, 26, 27, 32, 33, 38, 39, 40, 41, 42, 43, 44, 45, 56, 57, 62, 63, 68, 69, 74, 75, 76, 77, 78, 79, 80, 81, 92, 93, 98, 99, 112, 113, 128, 129, 134, 135, 148, 149, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 178, 179, 184, 185, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 214, 215, 220, 221, ] : [6, 2, 3, 4, 5, 1]
const inspectOpts: InspectOptions = Object.keys(process.env) .filter((key) => { return /^debug_/i.test(key) }) .reduce( (obj, key) => { // Camel-case const prop = key .slice(6) .toLowerCase() .replace(/_([a-z])/g, (_, k) => k.toUpperCase())
// Coerce string value into JS value let value: any = process.env[key] if (value === 'null') { value = null } else if (/^yes|on|true|enabled$/i.test(value)) { value = true } else if (/^no|off|false|disabled$/i.test(value)) { value = false } else { value = Number(value) }
obj[prop] = value return obj }, {} as Record<string, any>, )
/** * Load `namespaces`. */function load(): string { return process.env.DEBUG || ''}
function save(namespaces: string): void { if (namespaces) { process.env.DEBUG = namespaces } else { // If you set a process.env field to null or undefined, it gets cast to the // string 'null' or 'undefined'. Just delete instead. delete process.env.DEBUG }}
/** * Is stdout a TTY? Colored output is enabled when `true`. */function useColors(): boolean { return 'colors' in inspectOpts ? Boolean(inspectOpts.colors) : isatty(process.stderr.fd)}
let humanize: typeof _humanizetry { humanize = require('ms')} catch { humanize = _humanize}
/** * Adds ANSI color escape codes if enabled. */export function formatArgs(this: Debugger, args: [string, ...any[]]): void { const { namespace: name, useColors } = this
if (useColors) { const c = this.color as number const colorCode = `\u001B[3${c < 8 ? c : `8;5;${c}`}` const prefix = ` ${colorCode};1m${name} \u001B[0m`
args[0] = prefix + args[0].split('\n').join(`\n${prefix}`) args.push(`${colorCode}m+${humanize(this.diff!)}\u001B[0m`) } else { args[0] = `${getDate()}${name} ${args[0]}` }}
function getDate(): string { if (inspectOpts.hideDate) { return '' } return `${new Date().toISOString()} `}
function init(debug: Debugger): void { debug.inspectOpts = Object.assign({}, inspectOpts)}
export const createDebug: Debug = setup( useColors(), colors, log, load, save, formatArgs, init,)
createDebug.inspectOpts = inspectOpts
/** * Map %o to `util.inspect()`, all on a single line. */createDebug.formatters.o = function (v) { this.inspectOpts!.colors = this.useColors return inspect(v, this.inspectOpts) .split('\n') .map((str) => str.trim()) .join(' ')}
/** * Map %O to `util.inspect()`, allowing multiple lines if needed. */createDebug.formatters.O = function (v) { this.inspectOpts!.colors = this.useColors return inspect(v, this.inspectOpts)}
export default createDebugexport type * from './types.ts'
// @ts-expect-errorcreateDebug.default = createDebug// @ts-expect-errorcreateDebug.debug = createDebug
export { createDebug as 'module.exports' }