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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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