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"use strict";
var browserslist = require('browserslist');
function capitalize(str) {
return str.slice(0, 1).toUpperCase() + str.slice(1);
}
var NAMES = {
ie: 'IE',
ie_mob: 'IE Mobile',
ios_saf: 'iOS',
op_mini: 'Opera Mini',
op_mob: 'Opera Mobile',
and_chr: 'Chrome for Android',
and_ff: 'Firefox for Android',
and_uc: 'UC for Android'
};
function prefix(name, prefixes, note) {
var out = " " + name;
if (note) out += ' *';
out += ': ';
out += prefixes.map(function (i) {
return i.replace(/^-(.*)-$/g, '$1');
}).join(', ');
out += '\n';
return out;
}
module.exports = function (prefixes) {
if (prefixes.browsers.selected.length === 0) {
return 'No browsers selected';
}
var versions = {};
for (var _iterator = prefixes.browsers.selected, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var _browser = _ref;
var parts = _browser.split(' ');
var _name2 = parts[0];
var version = parts[1];
_name2 = NAMES[_name2] || capitalize(_name2);
if (versions[_name2]) {
versions[_name2].push(version);
} else {
versions[_name2] = [version];
}
}
var out = 'Browsers:\n';
for (var browser in versions) {
var list = versions[browser];
list = list.sort(function (a, b) {
return parseFloat(b) - parseFloat(a);
});
out += " " + browser + ": " + list.join(', ') + "\n";
}
var coverage = browserslist.coverage(prefixes.browsers.selected);
var round = Math.round(coverage * 100) / 100.0;
out += "\nThese browsers account for " + round + "% of all users globally\n";
var atrules = [];
for (var name in prefixes.add) {
var data = prefixes.add[name];
if (name[0] === '@' && data.prefixes) {
atrules.push(prefix(name, data.prefixes));
}
}
if (atrules.length > 0) {
out += "\nAt-Rules:\n" + atrules.sort().join('');
}
var selectors = [];
for (var _iterator2 = prefixes.add.selectors, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var selector = _ref2;
if (selector.prefixes) {
selectors.push(prefix(selector.name, selector.prefixes));
}
}
if (selectors.length > 0) {
out += "\nSelectors:\n" + selectors.sort().join('');
}
var values = [];
var props = [];
var hadGrid = false;
for (var _name in prefixes.add) {
var _data = prefixes.add[_name];
if (_name[0] !== '@' && _data.prefixes) {
var grid = _name.indexOf('grid-') === 0;
if (grid) hadGrid = true;
props.push(prefix(_name, _data.prefixes, grid));
}
if (!Array.isArray(_data.values)) {
continue;
}
for (var _iterator3 = _data.values, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
var _ref3;
if (_isArray3) {
if (_i3 >= _iterator3.length) break;
_ref3 = _iterator3[_i3++];
} else {
_i3 = _iterator3.next();
if (_i3.done) break;
_ref3 = _i3.value;
}
var value = _ref3;
var _grid = value.name.includes('grid');
if (_grid) hadGrid = true;
var string = prefix(value.name, value.prefixes, _grid);
if (!values.includes(string)) {
values.push(string);
}
}
}
if (props.length > 0) {
out += "\nProperties:\n" + props.sort().join('');
}
if (values.length > 0) {
out += "\nValues:\n" + values.sort().join('');
}
if (hadGrid) {
out += '\n* - Prefixes will be added only on grid: true option.\n';
}
if (!atrules.length && !selectors.length && !props.length && !values.length) {
out += '\nAwesome! Your browsers don\'t require any vendor prefixes.' + '\nNow you can remove Autoprefixer from build steps.';
}
return out;
};
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