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