aaac7fed
 liuqimichale
add
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"use strict";
exports.__esModule = true;
var _postcssValueParser = require("postcss-value-parser");
var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
var _cache = require("./cache");
var _cache2 = _interopRequireDefault(_cache);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var RESERVED_KEYWORDS = ["none", "inherit", "initial", "unset"];
var cache = {};
var atRules = [];
var decls = [];
exports.default = {
collect: function collect(node, encoder) {
var name = node.name,
prop = node.prop,
type = node.type;
if (type === 'atrule' && /keyframes/.test(name) && RESERVED_KEYWORDS.indexOf(node.params) === -1) {
(0, _cache2.default)(node.params, encoder, cache);
atRules.push(node);
}
if (type === 'decl' && /animation/.test(prop)) {
decls.push(node);
}
},
transform: function transform() {
// Iterate each property and change their names
decls.forEach(function (decl) {
decl.value = (0, _postcssValueParser2.default)(decl.value).walk(function (node) {
if (node.type === 'word' && node.value in cache) {
cache[node.value].count++;
node.value = cache[node.value].ident;
} else if (node.type === 'space') {
node.value = ' ';
} else if (node.type === 'div') {
node.before = node.after = '';
}
}).toString();
});
// Iterate each at rule and change their name if references to them have been found
atRules.forEach(function (rule) {
var cached = cache[rule.params];
if (cached && cached.count > 0) {
rule.params = cached.ident;
}
});
// reset cache after transform
cache = {};
atRules = [];
decls = [];
}
};
module.exports = exports["default"];
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