�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` let browserslist = require('browserslist') let agents = require('caniuse-lite').agents let utils = require('./utils') class Browsers { /** * Return all prefixes for default browser data */ static prefixes() { if (this.prefixesCache) { return this.prefixesCache } this.prefixesCache = [] for (let name in agents) { this.prefixesCache.push(`-${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