lepu-test-platform-web/node_modules/postcss-reduce-idents/dist/lib/counter.js

92 lines
3.0 KiB
JavaScript

"use strict";
exports.__esModule = true;
var _postcssValueParser = require("postcss-value-parser");
var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
var _cache = require("./cache");
var _cache2 = _interopRequireDefault(_cache);
var _isNum = require("./isNum");
var _isNum2 = _interopRequireDefault(_isNum);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var RESERVED_KEYWORDS = ["unset", "initial", "inherit", "none"];
var cache = {};
var declOneCache = [];
var declTwoCache = [];
exports.default = {
collect: function collect(node, encoder) {
var prop = node.prop,
type = node.type;
if (type !== 'decl') {
return;
}
if (/counter-(reset|increment)/.test(prop)) {
node.value = (0, _postcssValueParser2.default)(node.value).walk(function (child) {
if (child.type === 'word' && !(0, _isNum2.default)(child) && RESERVED_KEYWORDS.indexOf(child.value) === -1) {
(0, _cache2.default)(child.value, encoder, cache);
child.value = cache[child.value].ident;
}
if (child.type === 'space') {
child.value = ' ';
}
});
declOneCache.push(node);
} else if (/content/.test(prop)) {
declTwoCache.push(node);
}
},
transform: function transform() {
declTwoCache.forEach(function (decl) {
decl.value = (0, _postcssValueParser2.default)(decl.value).walk(function (node) {
var type = node.type,
value = node.value;
if (type === 'function' && (value === 'counter' || value === 'counters')) {
(0, _postcssValueParser.walk)(node.nodes, function (child) {
if (child.type === 'word' && child.value in cache) {
cache[child.value].count++;
child.value = cache[child.value].ident;
} else if (child.type === 'div') {
child.before = child.after = '';
}
});
}
if (type === 'space') {
node.value = ' ';
}
return false;
}).toString();
});
declOneCache.forEach(function (decl) {
decl.value = decl.value.walk(function (node) {
if (node.type === 'word' && !(0, _isNum2.default)(node)) {
Object.keys(cache).forEach(function (key) {
var cached = cache[key];
if (cached.ident === node.value && !cached.count) {
node.value = key;
}
});
}
}).toString();
});
// reset cache after transform
cache = {};
declOneCache = [];
declTwoCache = [];
}
};
module.exports = exports["default"];