2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
var _postcss = require('postcss');
var _postcss2 = _interopRequireDefault(_postcss);
var _libCanMerge = require('./lib/canMerge');
var _libCanMerge2 = _interopRequireDefault(_libCanMerge);
var _libGetLastNode = require('./lib/getLastNode');
var _libGetLastNode2 = _interopRequireDefault(_libGetLastNode);
var _libHasAllProps = require('./lib/hasAllProps');
var _libHasAllProps2 = _interopRequireDefault(_libHasAllProps);
var _libIdentical = require('./lib/identical');
var _libIdentical2 = _interopRequireDefault(_libIdentical);
var _libMergeValues = require('./lib/mergeValues');
var _libMergeValues2 = _interopRequireDefault(_libMergeValues);
var _libMinifyTrbl = require('./lib/minifyTrbl');
var _libMinifyTrbl2 = _interopRequireDefault(_libMinifyTrbl);
var _libNumValues = require('./lib/numValues');
var _libNumValues2 = _interopRequireDefault(_libNumValues);
var trbl = ['top', 'right', 'bottom', 'left'];
var trblProps = ['margin', 'padding', 'border-color', 'border-width', 'border-style'];
var trblMap = function trblMap(prop) {
return trbl.map(function (direction) {
return prop + '-' + direction;
});
};
var remove = function remove(node) {
return node.remove();
};
var mergeLonghand = function mergeLonghand(rule, prop) {
var properties = trblMap(prop);
if (_libHasAllProps2['default'].apply(undefined, [rule].concat(properties))) {
var rules = properties.map(function (p) {
return (0, _libGetLastNode2['default'])(rule, p);
});
if (_libCanMerge2['default'].apply(undefined, rules)) {
rules.slice(0, 3).forEach(remove);
rules[3].value = (0, _libMinifyTrbl2['default'])(_libMergeValues2['default'].apply(undefined, rules));
rules[3].prop = prop;
}
}
};
exports['default'] = _postcss2['default'].plugin('postcss-merge-longhand', function () {
return function (css) {
css.walkRules(function (rule) {
rule.nodes.filter(function (node) {
return node.prop && ~trblProps.indexOf(node.prop);
}).forEach(function (node) {
node.value = (0, _libMinifyTrbl2['default'])(node.value);
});
mergeLonghand(rule, 'margin');
mergeLonghand(rule, 'padding');
if ((0, _libHasAllProps2['default'])(rule, 'border-color', 'border-style', 'border-width')) {
var rules = [(0, _libGetLastNode2['default'])(rule, 'border-width'), (0, _libGetLastNode2['default'])(rule, 'border-style'), (0, _libGetLastNode2['default'])(rule, 'border-color')];
if (_libCanMerge2['default'].apply(undefined, rules) && _libNumValues2['default'].apply(undefined, rules) === 3) {
rules.slice(0, 2).forEach(remove);
rules[2].prop = 'border';
rules[2].value = _libMergeValues2['default'].apply(undefined, rules);
}
}
if (_libHasAllProps2['default'].apply(undefined, [rule].concat(trblMap('border')))) {
var rules = [(0, _libGetLastNode2['default'])(rule, 'border-top'), (0, _libGetLastNode2['default'])(rule, 'border-right'), (0, _libGetLastNode2['default'])(rule, 'border-bottom'), (0, _libGetLastNode2['default'])(rule, 'border-left')];
if (_libCanMerge2['default'].apply(undefined, rules) && _libIdentical2['default'].apply(undefined, rules)) {
rules.slice(0, 3).forEach(remove);
rules[3].prop = 'border';
}
}
});
};
});
module.exports = exports['default'];
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