Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
audit-error.js	1.02 KB	-rw-r--r--	2024-07-09 00:04
auth.js	3.21 KB	-rw-r--r--	2024-07-09 00:04
cmd-list.js	2.89 KB	-rw-r--r--	2025-03-27 09:29
completion.fish	1.56 KB	-rw-r--r--	2023-06-20 15:00
completion.sh	1.85 KB	-rwxr-xr-x	2022-10-11 19:59
did-you-mean.js	1.16 KB	-rw-r--r--	2025-03-27 09:29
display.js	15.38 KB	-rw-r--r--	2024-07-09 00:04
error-message.js	14.6 KB	-rw-r--r--	2025-03-27 09:29
explain-dep.js	3.03 KB	-rw-r--r--	2024-05-09 19:00
explain-eresolve.js	2.56 KB	-rw-r--r--	2023-08-09 09:23
format-bytes.js	629 B	-rw-r--r--	2022-10-11 19:59
format-search-stream.js	4.7 KB	-rw-r--r--	2025-03-27 09:29
format.js	1.91 KB	-rw-r--r--	2024-07-09 00:04
get-identity.js	802 B	-rw-r--r--	2023-01-06 19:00
get-workspaces.js	1.71 KB	-rw-r--r--	2024-07-09 00:04
installed-deep.js	1.1 KB	-rw-r--r--	2024-07-09 00:04
installed-shallow.js	583 B	-rw-r--r--	2024-05-09 19:00
is-windows.js	177 B	-rw-r--r--	2024-05-09 19:00
log-file.js	7.78 KB	-rw-r--r--	2024-07-09 00:04
npm-usage.js	2.02 KB	-rw-r--r--	2023-08-09 09:23
open-url.js	2.36 KB	-rw-r--r--	2024-07-09 00:04
output-error.js	767 B	-rw-r--r--	2024-07-09 00:04
ping.js	252 B	-rw-r--r--	2025-03-27 09:29
queryable.js	9.56 KB	-rw-r--r--	2024-07-09 00:04
read-user-info.js	1.91 KB	-rw-r--r--	2024-07-09 00:04
reify-finish.js	886 B	-rw-r--r--	2024-07-09 00:04
reify-output.js	5.65 KB	-rw-r--r--	2025-03-27 09:29
sbom-cyclonedx.js	5.21 KB	-rw-r--r--	2025-03-27 09:29
sbom-spdx.js	4.59 KB	-rw-r--r--	2025-03-27 09:29
tar.js	3.47 KB	-rw-r--r--	2025-03-27 09:29
timers.js	2.07 KB	-rw-r--r--	2024-05-09 19:00
update-workspaces.js	1013 B	-rw-r--r--	2024-05-09 19:00
validate-lockfile.js	1023 B	-rw-r--r--	2022-10-11 19:59
verify-signatures.js	11.92 KB	-rw-r--r--	2025-03-27 09:29

Rename

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