PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` let browserslist = require('browserslist') let agents = require('caniuse-lite').agents let utils = require('./utils') class Browsers { /** * Return all prefixes for default browser data */ static prefixes() { if (this.prefixesCache) { return this.prefixesCache } this.prefixesCache = [] for (let name in agents) { this.prefixesCache.push(`-${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) } constructor(data, requirements, options, browserslistOpts) { this.data = data this.options = options || {} this.browserslistOpts = browserslistOpts || {} this.selected = this.parse(requirements) } /** * 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}-` } /** * Is browser is selected by requirements */ isSelected(browser) { return this.selected.includes(browser) } } module.exports = Browsers