You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.7 KiB
61 lines
1.7 KiB
'use strict';
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = mergeRules;
|
|
|
|
var _hasAllProps = require('./hasAllProps');
|
|
|
|
var _hasAllProps2 = _interopRequireDefault(_hasAllProps);
|
|
|
|
var _getDecls = require('./getDecls');
|
|
|
|
var _getDecls2 = _interopRequireDefault(_getDecls);
|
|
|
|
var _getRules = require('./getRules');
|
|
|
|
var _getRules2 = _interopRequireDefault(_getRules);
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
function isConflictingProp(propA, propB) {
|
|
if (!propB.prop || propB.important !== propA.important) {
|
|
return;
|
|
}
|
|
|
|
const parts = propA.prop.split('-');
|
|
|
|
return parts.some(() => {
|
|
parts.pop();
|
|
|
|
return parts.join('-') === propB.prop;
|
|
});
|
|
}
|
|
|
|
function hasConflicts(match, nodes) {
|
|
const firstNode = Math.min.apply(null, match.map(n => nodes.indexOf(n)));
|
|
const lastNode = Math.max.apply(null, match.map(n => nodes.indexOf(n)));
|
|
const between = nodes.slice(firstNode + 1, lastNode);
|
|
|
|
return match.some(a => between.some(b => isConflictingProp(a, b)));
|
|
}
|
|
|
|
function mergeRules(rule, properties, callback) {
|
|
let decls = (0, _getDecls2.default)(rule, properties);
|
|
|
|
while (decls.length) {
|
|
const last = decls[decls.length - 1];
|
|
const props = decls.filter(node => node.important === last.important);
|
|
const rules = (0, _getRules2.default)(props, properties);
|
|
|
|
if ((0, _hasAllProps2.default)(rules, ...properties) && !hasConflicts(rules, rule.nodes)) {
|
|
if (callback(rules, last, props)) {
|
|
decls = decls.filter(node => !~rules.indexOf(node));
|
|
}
|
|
}
|
|
|
|
decls = decls.filter(node => node !== last);
|
|
}
|
|
}
|
|
module.exports = exports['default'];
|