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 { formatWithOptions: baseFormatWithOptions } = require('node:util')

// These are most assuredly not a mistake
// https://eslint.org/docs/latest/rules/no-control-regex
// \x00 through \x1f, \x7f through \x9f, not including \x09 \x0a \x0b \x0d
/* eslint-disable-next-line no-control-regex */
const HAS_C01 = /[\x00-\x08\x0c\x0e-\x1f\x7f-\x9f]/

// Allows everything up to '[38;5;255m' in 8 bit notation
const ALLOWED_SGR = /^\[[0-9;]{0,8}m/

// '[38;5;255m'.length
const SGR_MAX_LEN = 10

// Strips all ANSI C0 and C1 control characters (except for SGR up to 8 bit)
function STRIP_C01 (str) {
  if (!HAS_C01.test(str)) {
    return str
  }
  let result = ''
  for (let i = 0; i < str.length; i++) {
    const char = str[i]
    const code = char.charCodeAt(0)
    if (!HAS_C01.test(char)) {
      // Most characters are in this set so continue early if we can
      result = `${result}${char}`
    } else if (code === 27 && ALLOWED_SGR.test(str.slice(i + 1, i + SGR_MAX_LEN + 1))) {
      // \x1b with allowed SGR
      result = `${result}\x1b`
    } else if (code <= 31) {
      // escape all other C0 control characters besides \x7f
      result = `${result}^${String.fromCharCode(code + 64)}`
    } else {
      // hasC01 ensures this is now a C1 control character or \x7f
      result = `${result}^${String.fromCharCode(code - 64)}`
    }
  }
  return result
}

const formatWithOptions = ({ prefix: prefixes = [], eol = '\n', ...options }, ...args) => {
  const prefix = prefixes.filter(p => p != null).join(' ')
  const formatted = STRIP_C01(baseFormatWithOptions(options, ...args))
  // Splitting could be changed to only `\n` once we are sure we only emit unix newlines.
  // The eol param to this function will put the correct newlines in place for the returned string.
  const lines = formatted.split(/\r?\n/)
  return lines.reduce((acc, l) => `${acc}${prefix}${prefix && l ? ' ' : ''}${l}${eol}`, '')
}

module.exports = { formatWithOptions }