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