Gecko [ tsuru-no-tsurugi.tokyo ]

Linux tsuru-no-tsurugi 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64
Apache/2.4.52 (Ubuntu)
Server IP : 192.168.0.18 & Your IP : 216.73.216.68
Domains : Cant Read [ /etc/named.conf ]
User : www-data

Name	Size	Permission	Date
hacks	[ DIR ]	drwxr-xr-x	2026-06-24 16:16
at-rule.js	702 B	-rw-r--r--	2026-06-24 16:16
autoprefixer.d.ts	2.39 KB	-rw-r--r--	2026-06-24 16:16
autoprefixer.js	4.08 KB	-rw-r--r--	2026-06-24 16:16
brackets.js	849 B	-rw-r--r--	2026-06-24 16:16
browsers.js	1.73 KB	-rw-r--r--	2026-06-24 16:16
declaration.js	3.97 KB	-rw-r--r--	2026-06-24 16:16
info.js	3.09 KB	-rw-r--r--	2026-06-24 16:16
old-selector.js	1.36 KB	-rw-r--r--	2026-06-24 16:16
old-value.js	463 B	-rw-r--r--	2026-06-24 16:16
prefixer.js	3.05 KB	-rw-r--r--	2026-06-24 16:16
prefixes.js	12.79 KB	-rw-r--r--	2026-06-24 16:16
processor.js	21.03 KB	-rw-r--r--	2026-06-24 16:16
resolution.js	2.25 KB	-rw-r--r--	2026-06-24 16:16
selector.js	3.15 KB	-rw-r--r--	2026-06-24 16:16
supports.js	6.28 KB	-rw-r--r--	2026-06-24 16:16
transition.js	7.98 KB	-rw-r--r--	2026-06-24 16:16
utils.js	1.97 KB	-rw-r--r--	2026-06-24 16:16
value.js	2.51 KB	-rw-r--r--	2026-06-24 16:16
vendor.js	206 B	-rw-r--r--	2026-06-24 16:16

Rename

let browserslist = require('browserslist')
let { agents } = require('caniuse-lite/dist/unpacker/agents')

let utils = require('./utils')

class Browsers {
  constructor(data, requirements, options, browserslistOpts) {
    this.data = data
    this.options = options || {}
    this.browserslistOpts = browserslistOpts || {}
    this.selected = this.parse(requirements)
  }

/**
   * Return all prefixes for default browser data
   */
  static prefixes() {
    if (this.prefixesCache) {
      return this.prefixesCache
    }

this.prefixesCache = []
    for (let name in agents) {
      this.prefixesCache.push(`-${agents[name].prefix}-`)
    }

this.prefixesCache = utils
      .uniq(this.prefixesCache)
      .sort((a, b) => b.length - a.length)

return this.prefixesCache
  }

/**
   * Check is value contain any possible prefix
   */
  static withPrefix(value) {
    if (!this.prefixesRegexp) {
      this.prefixesRegexp = new RegExp(this.prefixes().join('|'))
    }

return this.prefixesRegexp.test(value)
  }

/**
   * Is browser is selected by requirements
   */
  isSelected(browser) {
    return this.selected.includes(browser)
  }

/**
   * Return browsers selected by requirements
   */
  parse(requirements) {
    let opts = {}
    for (let i in this.browserslistOpts) {
      opts[i] = this.browserslistOpts[i]
    }
    opts.path = this.options.from
    return browserslist(requirements, opts)
  }

/**
   * Return prefix for selected browser
   */
  prefix(browser) {
    let [name, version] = browser.split(' ')
    let data = this.data[name]

let prefix = data.prefix_exceptions && data.prefix_exceptions[version]
    if (!prefix) {
      prefix = data.prefix
    }
    return `-${prefix}-`
  }
}

module.exports = Browsers