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node_modules/icss-utils/lib/extractICSS.js 1.19 KB
aaac7fed   liuqimichale   add
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  "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  var importPattern = /^:import\(("[^"]*"|'[^']*'|[\w-\.]+)\)$/;
  
  var getDeclsObject = function getDeclsObject(rule) {
    var object = {};
    rule.walkDecls(function (decl) {
      object[decl.raws.before.trim() + decl.prop] = decl.value;
    });
    return object;
  };
  
  var extractICSS = function extractICSS(css) {
    var removeRules = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
  
    var icssImports = {};
    var icssExports = {};
    css.each(function (node) {
      if (node.type === "rule") {
        if (node.selector.slice(0, 7) === ":import") {
          var matches = importPattern.exec(node.selector);
          if (matches) {
            var path = matches[1];
            var aliases = Object.assign(icssImports[path] || {}, getDeclsObject(node));
            icssImports[path] = aliases;
            if (removeRules) {
              node.remove();
            }
          }
        }
        if (node.selector === ":export") {
          Object.assign(icssExports, getDeclsObject(node));
          if (removeRules) {
            node.remove();
          }
        }
      }
    });
    return { icssImports, icssExports };
  };
  
  exports.default = extractICSS;