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176 lines
4.2 KiB
176 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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function prefix(name, prefixes, note) {
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var out = " " + name;
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if (note) out += ' *';
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out += ': ';
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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 parts = _browser.split(' ');
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var _name2 = parts[0];
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var version = parts[1];
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_name2 = NAMES[_name2] || capitalize(_name2);
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if (versions[_name2]) {
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versions[_name2].push(version);
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} else {
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versions[_name2] = [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.push(prefix(name, data.prefixes));
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}
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}
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if (atrules.length > 0) {
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out += "\nAt-Rules:\n" + atrules.sort().join('');
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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.push(prefix(selector.name, selector.prefixes));
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}
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}
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if (selectors.length > 0) {
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out += "\nSelectors:\n" + selectors.sort().join('');
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}
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var values = [];
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var props = [];
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var hadGrid = false;
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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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var grid = _name.indexOf('grid-') === 0;
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if (grid) hadGrid = true;
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props.push(prefix(_name, _data.prefixes, grid));
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}
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if (!Array.isArray(_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 _grid = value.name.includes('grid');
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if (_grid) hadGrid = true;
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var string = prefix(value.name, value.prefixes, _grid);
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if (!values.includes(string)) {
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values.push(string);
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}
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}
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}
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if (props.length > 0) {
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out += "\nProperties:\n" + props.sort().join('');
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}
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if (values.length > 0) {
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out += "\nValues:\n" + values.sort().join('');
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}
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if (hadGrid) {
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out += '\n* - Prefixes will be added only on grid: true option.\n';
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}
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if (!atrules.length && !selectors.length && !props.length && !values.length) {
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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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};
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