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4 years ago
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _postcss = require("postcss");
var _postcss2 = _interopRequireDefault(_postcss);
var _postcssValueParser = require("postcss-value-parser");
var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
var _cssnanoUtilGetMatch = require("cssnano-util-get-match");
var _cssnanoUtilGetMatch2 = _interopRequireDefault(_cssnanoUtilGetMatch);
var _map = require("./lib/map");
var _map2 = _interopRequireDefault(_map);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const getMatch = (0, _cssnanoUtilGetMatch2.default)(_map2.default);
function evenValues(list, index) {
return index % 2 === 0;
}
exports.default = _postcss2.default.plugin("postcss-normalize-display-values", () => {
return css => {
const cache = {};
css.walkDecls(/display/i, decl => {
const value = decl.value;
if (cache[value]) {
decl.value = cache[value];
return;
}
const { nodes } = (0, _postcssValueParser2.default)(value);
if (nodes.length === 1) {
cache[value] = value;
return;
}
const match = getMatch(nodes.filter(evenValues).map(n => n.value.toLowerCase()));
if (!match) {
cache[value] = value;
return;
}
const result = match;
decl.value = result;
cache[value] = result;
});
};
});
module.exports = exports["default"];