Subtheme of barrio
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'use strict';
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var Browsers = require('./browsers');
var utils = require('./utils');
var vendor = require('postcss').vendor;
/**
* Recursivly clone objects
*/
function _clone(obj, parent) {
var cloned = new obj.constructor();
for (var _iterator = Object.keys(obj || {}), _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 i = _ref;
var value = obj[i];
if (i === 'parent' && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object') {
if (parent) {
cloned[i] = parent;
}
} else if (i === 'source' || i === null) {
cloned[i] = value;
} else if (value instanceof Array) {
cloned[i] = value.map(function (x) {
return _clone(x, cloned);
});
} else if (i !== '_autoprefixerPrefix' && i !== '_autoprefixerValues') {
if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value !== null) {
value = _clone(value, cloned);
}
cloned[i] = value;
}
}
return cloned;
}
var Prefixer = function () {
/**
* Add hack to selected names
*/
Prefixer.hack = function hack(klass) {
var _this = this;
if (!this.hacks) {
this.hacks = {};
}
return klass.names.map(function (name) {
_this.hacks[name] = klass;
return _this.hacks[name];
});
};
/**
* Load hacks for some names
*/
Prefixer.load = function load(name, prefixes, all) {
var Klass = this.hacks && this.hacks[name];
if (Klass) {
return new Klass(name, prefixes, all);
} else {
return new this(name, prefixes, all);
}
};
/**
* Clone node and clean autprefixer custom caches
*/
Prefixer.clone = function clone(node, overrides) {
var cloned = _clone(node);
for (var name in overrides) {
cloned[name] = overrides[name];
}
return cloned;
};
function Prefixer(name, prefixes, all) {
_classCallCheck(this, Prefixer);
this.name = name;
this.prefixes = prefixes;
this.all = all;
}
/**
* Find prefix in node parents
*/
Prefixer.prototype.parentPrefix = function parentPrefix(node) {
var prefix = void 0;
if (typeof node._autoprefixerPrefix !== 'undefined') {
prefix = node._autoprefixerPrefix;
} else if (node.type === 'decl' && node.prop[0] === '-') {
prefix = vendor.prefix(node.prop);
} else if (node.type === 'root') {
prefix = false;
} else if (node.type === 'rule' && node.selector.indexOf(':-') !== -1 && /:(-\w+-)/.test(node.selector)) {
prefix = node.selector.match(/:(-\w+-)/)[1];
} else if (node.type === 'atrule' && node.name[0] === '-') {
prefix = vendor.prefix(node.name);
} else {
prefix = this.parentPrefix(node.parent);
}
if (Browsers.prefixes().indexOf(prefix) === -1) {
prefix = false;
}
node._autoprefixerPrefix = prefix;
return node._autoprefixerPrefix;
};
/**
* Clone node with prefixes
*/
Prefixer.prototype.process = function process(node, result) {
if (!this.check(node)) {
return undefined;
}
var parent = this.parentPrefix(node);
var prefixes = this.prefixes.filter(function (prefix) {
return !parent || parent === utils.removeNote(prefix);
});
var added = [];
for (var _iterator2 = prefixes, _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 prefix = _ref2;
if (this.add(node, prefix, added.concat([prefix]), result)) {
added.push(prefix);
}
}
return added;
};
/**
* Shortcut for Prefixer.clone
*/
Prefixer.prototype.clone = function clone(node, overrides) {
return Prefixer.clone(node, overrides);
};
return Prefixer;
}();
module.exports = Prefixer;