ce4c83ff
 wxy
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(function() {
var Browsers, Prefixer, clone, utils, vendor,
hasProp = {}.hasOwnProperty;
Browsers = require('./browsers');
utils = require('./utils');
vendor = require('postcss/lib/vendor');
clone = function(obj, parent) {
var cloned, i, value;
cloned = new obj.constructor();
for (i in obj) {
if (!hasProp.call(obj, i)) continue;
value = obj[i];
if (i === 'parent' && typeof value === 'object') {
if (parent) {
cloned[i] = parent;
}
} else if (i === 'source') {
cloned[i] = value;
} else if (i === null) {
cloned[i] = value;
} else if (value instanceof Array) {
cloned[i] = value.map(function(i) {
return clone(i, cloned);
});
} else if (i !== '_autoprefixerPrefix' && i !== '_autoprefixerValues') {
if (typeof value === 'object' && value !== null) {
value = clone(value, cloned);
}
cloned[i] = value;
}
}
return cloned;
};
Prefixer = (function() {
Prefixer.hack = function(klass) {
var j, len, name, ref, results;
this.hacks || (this.hacks = {});
ref = klass.names;
results = [];
for (j = 0, len = ref.length; j < len; j++) {
name = ref[j];
results.push(this.hacks[name] = klass);
}
return results;
};
Prefixer.load = function(name, prefixes, all) {
var klass, ref;
klass = (ref = this.hacks) != null ? ref[name] : void 0;
if (klass) {
return new klass(name, prefixes, all);
} else {
return new this(name, prefixes, all);
}
};
Prefixer.clone = function(node, overrides) {
var cloned, name;
cloned = clone(node);
for (name in overrides) {
cloned[name] = overrides[name];
}
return cloned;
};
function Prefixer(name1, prefixes1, all1) {
this.name = name1;
this.prefixes = prefixes1;
this.all = all1;
}
Prefixer.prototype.parentPrefix = function(node) {
var prefix;
prefix = node._autoprefixerPrefix != null ? node._autoprefixerPrefix : node.type === 'decl' && node.prop[0] === '-' ? vendor.prefix(node.prop) : node.type === 'root' ? false : node.type === 'rule' && node.selector.indexOf(':-') !== -1 && /:(-\w+-)/.test(node.selector) ? node.selector.match(/:(-\w+-)/)[1] : node.type === 'atrule' && node.name[0] === '-' ? vendor.prefix(node.name) : this.parentPrefix(node.parent);
if (Browsers.prefixes().indexOf(prefix) === -1) {
prefix = false;
}
return node._autoprefixerPrefix = prefix;
};
Prefixer.prototype.process = function(node) {
var added, j, k, len, len1, parent, prefix, prefixes, ref;
if (!this.check(node)) {
return;
}
parent = this.parentPrefix(node);
prefixes = [];
ref = this.prefixes;
for (j = 0, len = ref.length; j < len; j++) {
prefix = ref[j];
if (parent && parent !== utils.removeNote(prefix)) {
continue;
}
prefixes.push(prefix);
}
added = [];
for (k = 0, len1 = prefixes.length; k < len1; k++) {
prefix = prefixes[k];
if (this.add(node, prefix, added.concat([prefix]))) {
added.push(prefix);
}
}
return added;
};
Prefixer.prototype.clone = function(node, overrides) {
return Prefixer.clone(node, overrides);
};
return Prefixer;
})();
module.exports = Prefixer;
}).call(this);
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