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/proc/2/root/var/lang/lib/node_modules/npm/node_modules/@npmcli/arborist/bin/lib

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logging.js2.2 KB · 78 lines
const { log } = require('proc-log')const fs = require('node:fs')const { dirname } = require('node:path')const os = require('node:os')const { inspect, format } = require('node:util') const { bin: options } = require('./options.js') // add a meta method to proc-log for passing optional// metadata through to log handlersconst META = Symbol('meta')const parseArgs = (...args) => {  const { [META]: isMeta } = args[args.length - 1] || {}  return isMeta    ? [args[args.length - 1], ...args.slice(0, args.length - 1)]    : [{}, ...args]}log.meta = (meta = {}) => ({ [META]: true, ...meta }) const levels = new Map([  'silly',  'verbose',  'info',  'http',  'notice',  'warn',  'error',  'silent',].map((level, index) => [level, index])) const addLogListener = (write, { eol = os.EOL, loglevel = 'silly', colors = false } = {}) => {  const levelIndex = levels.get(loglevel)   const magenta = m => colors ? `\x1B[35m${m}\x1B[39m` : m  const dim = m => colors ? `\x1B[2m${m}\x1B[22m` : m  const red = m => colors ? `\x1B[31m${m}\x1B[39m` : m   const formatter = (level, ...args) => {    const depth = level === 'error' && args[0] && args[0].code === 'ERESOLVE' ? Infinity : 10     if (level === 'info' && args[0] === 'timeEnd') {      args[1] = dim(args[1])    } else if (level === 'error' && args[0] === 'timeError') {      args[1] = red(args[1])    }     const messages = args.map(a => typeof a === 'string' ? a : inspect(a, { depth, colors }))    const pref = `${process.pid} ${magenta(level)} `     return pref + format(...messages).trim().split('\n').join(`${eol}${pref}`) + eol  }   process.on('log', (...args) => {    const [meta, level, ...logArgs] = parseArgs(...args)     if (levelIndex <= levels.get(level) || meta.force) {      write(formatter(level, ...logArgs))    }  })} if (options.loglevel !== 'silent') {  addLogListener((v) => process.stderr.write(v), {    eol: '\n',    colors: options.colors,    loglevel: options.loglevel,  })} if (options.logfile) {  log.silly('logfile', options.logfile)  fs.mkdirSync(dirname(options.logfile), { recursive: true })  const fd = fs.openSync(options.logfile, 'a')  addLogListener((str) => fs.writeSync(fd, str))} module.exports = log