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152 lines
4.2 KiB
152 lines
4.2 KiB
'use strict'; |
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var browserslist = require('browserslist'); |
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function capitalize(str) { |
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return str.slice(0, 1).toUpperCase() + str.slice(1); |
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} |
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var names = { |
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ie: 'IE', |
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ie_mob: 'IE Mobile', |
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ios_saf: 'iOS', |
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op_mini: 'Opera Mini', |
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op_mob: 'Opera Mobile', |
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and_chr: 'Chrome for Android', |
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and_ff: 'Firefox for Android', |
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and_uc: 'UC for Android' |
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}; |
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var prefix = function prefix(name, prefixes) { |
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var out = ' ' + name + ': '; |
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out += prefixes.map(function (i) { |
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return i.replace(/^-(.*)-$/g, '$1'); |
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}).join(', '); |
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out += '\n'; |
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return out; |
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}; |
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module.exports = function (prefixes) { |
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if (prefixes.browsers.selected.length === 0) { |
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return 'No browsers selected'; |
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} |
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var versions = {}; |
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for (var _iterator = prefixes.browsers.selected, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { |
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var _ref; |
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if (_isArray) { |
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if (_i >= _iterator.length) break; |
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_ref = _iterator[_i++]; |
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} else { |
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_i = _iterator.next(); |
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if (_i.done) break; |
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_ref = _i.value; |
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} |
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var browser = _ref; |
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var _browser$split = browser.split(' '), |
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name = _browser$split[0], |
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version = _browser$split[1]; |
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name = names[name] || capitalize(name); |
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if (versions[name]) { |
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versions[name].push(version); |
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} else { |
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versions[name] = [version]; |
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} |
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} |
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var out = 'Browsers:\n'; |
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for (var _browser in versions) { |
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var list = versions[_browser]; |
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list = list.sort(function (a, b) { |
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return parseFloat(b) - parseFloat(a); |
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}); |
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out += ' ' + _browser + ': ' + list.join(', ') + '\n'; |
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} |
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var coverage = browserslist.coverage(prefixes.browsers.selected); |
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var round = Math.round(coverage * 100) / 100.0; |
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out += '\nThese browsers account for ' + round + '% of all users globally\n'; |
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var atrules = ''; |
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for (var name in prefixes.add) { |
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var data = prefixes.add[name]; |
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if (name[0] === '@' && data.prefixes) { |
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atrules += prefix(name, data.prefixes); |
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} |
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} |
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if (atrules !== '') { |
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out += '\nAt-Rules:\n' + atrules; |
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} |
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var selectors = ''; |
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for (var _iterator2 = prefixes.add.selectors, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) { |
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var _ref2; |
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if (_isArray2) { |
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if (_i2 >= _iterator2.length) break; |
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_ref2 = _iterator2[_i2++]; |
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} else { |
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_i2 = _iterator2.next(); |
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if (_i2.done) break; |
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_ref2 = _i2.value; |
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} |
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var selector = _ref2; |
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if (selector.prefixes) { |
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selectors += prefix(selector.name, selector.prefixes); |
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} |
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} |
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if (selectors !== '') { |
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out += '\nSelectors:\n' + selectors; |
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} |
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var values = ''; |
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var props = ''; |
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for (var _name in prefixes.add) { |
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var _data = prefixes.add[_name]; |
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if (_name[0] !== '@' && _data.prefixes) { |
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props += prefix(_name, _data.prefixes); |
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} |
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if (!_data.values) { |
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continue; |
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} |
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for (var _iterator3 = _data.values, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) { |
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var _ref3; |
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if (_isArray3) { |
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if (_i3 >= _iterator3.length) break; |
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_ref3 = _iterator3[_i3++]; |
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} else { |
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_i3 = _iterator3.next(); |
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if (_i3.done) break; |
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_ref3 = _i3.value; |
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} |
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var value = _ref3; |
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var string = prefix(value.name, value.prefixes); |
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if (values.indexOf(string) === -1) { |
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values += string; |
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} |
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} |
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} |
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if (props !== '') { |
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out += '\nProperties:\n' + props; |
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} |
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if (values !== '') { |
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out += '\nValues:\n' + values; |
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} |
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if (atrules === '' && selectors === '' && props === '' && values === '') { |
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out += '\nAwesome! Your browsers don\'t require any vendor prefixes.' + '\nNow you can remove Autoprefixer from build steps.'; |
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} |
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return out; |
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}; |