\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/alt-nodejs20/root/lib/node_modules/npm/lib/utils/

Viewing File: timers.js

const EE = require('node:events')
const fs = require('node:fs')
const { log, time } = require('proc-log')

const INITIAL_TIMER = 'npm'

class Timers extends EE {
  #file
  #timing

  #unfinished = new Map()
  #finished = {}

  constructor () {
    super()
    this.on()
    time.start(INITIAL_TIMER)
    this.started = this.#unfinished.get(INITIAL_TIMER)
  }

  on () {
    process.on('time', this.#timeHandler)
  }

  off () {
    process.off('time', this.#timeHandler)
  }

  load ({ path, timing } = {}) {
    this.#timing = timing
    this.#file = `${path}timing.json`
  }

  finish (metadata) {
    time.end(INITIAL_TIMER)

    for (const [name, timer] of this.#unfinished) {
      log.silly('unfinished npm timer', name, timer)
    }

    if (!this.#timing) {
      // Not in timing mode, nothing else to do here
      return
    }

    try {
      this.#writeFile(metadata)
      log.info('timing', `Timing info written to: ${this.#file}`)
    } catch (e) {
      log.warn('timing', `could not write timing file: ${e}`)
    }
  }

  #writeFile (metadata) {
    const globalStart = this.started
    const globalEnd = this.#finished[INITIAL_TIMER]
    const content = {
      metadata,
      timers: this.#finished,
      // add any unfinished timers with their relative start/end
      unfinishedTimers: [...this.#unfinished.entries()].reduce((acc, [name, start]) => {
        acc[name] = [start - globalStart, globalEnd - globalStart]
        return acc
      }, {}),
    }
    fs.writeFileSync(this.#file, JSON.stringify(content) + '\n')
  }

  #timeHandler = (level, name) => {
    const now = Date.now()
    switch (level) {
      case time.KEYS.start:
        this.#unfinished.set(name, now)
        break
      case time.KEYS.end: {
        if (this.#unfinished.has(name)) {
          const ms = now - this.#unfinished.get(name)
          this.#finished[name] = ms
          this.#unfinished.delete(name)
          log.timing(name, `Completed in ${ms}ms`)
        } else {
          log.silly('timing', `Tried to end timer that doesn't exist: ${name}`)
        }
      }
    }
  }
}

module.exports = Timers