docs：更新文档

node_modules/postcss-selector-parser/dist/util/ensureObject.js

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+"use strict";
+
+exports.__esModule = true;
+exports.default = ensureObject;
+
+function ensureObject(obj) {
+  for (var _len = arguments.length, props = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+    props[_key - 1] = arguments[_key];
+  }
+
+  while (props.length > 0) {
+    var prop = props.shift();
+
+    if (!obj[prop]) {
+      obj[prop] = {};
+    }
+
+    obj = obj[prop];
+  }
+}
+
+module.exports = exports.default;

node_modules/postcss-selector-parser/dist/util/getProp.js

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+"use strict";
+
+exports.__esModule = true;
+exports.default = getProp;
+
+function getProp(obj) {
+  for (var _len = arguments.length, props = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+    props[_key - 1] = arguments[_key];
+  }
+
+  while (props.length > 0) {
+    var prop = props.shift();
+
+    if (!obj[prop]) {
+      return undefined;
+    }
+
+    obj = obj[prop];
+  }
+
+  return obj;
+}
+
+module.exports = exports.default;

node_modules/postcss-selector-parser/dist/util/index.js

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+"use strict";
+
+exports.__esModule = true;
+exports.stripComments = exports.ensureObject = exports.getProp = exports.unesc = void 0;
+
+var _unesc = _interopRequireDefault(require("./unesc"));
+
+exports.unesc = _unesc.default;
+
+var _getProp = _interopRequireDefault(require("./getProp"));
+
+exports.getProp = _getProp.default;
+
+var _ensureObject = _interopRequireDefault(require("./ensureObject"));
+
+exports.ensureObject = _ensureObject.default;
+
+var _stripComments = _interopRequireDefault(require("./stripComments"));
+
+exports.stripComments = _stripComments.default;
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

node_modules/postcss-selector-parser/dist/util/stripComments.js

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+"use strict";
+
+exports.__esModule = true;
+exports.default = stripComments;
+
+function stripComments(str) {
+  var s = "";
+  var commentStart = str.indexOf("/*");
+  var lastEnd = 0;
+
+  while (commentStart >= 0) {
+    s = s + str.slice(lastEnd, commentStart);
+    var commentEnd = str.indexOf("*/", commentStart + 2);
+
+    if (commentEnd < 0) {
+      return s;
+    }
+
+    lastEnd = commentEnd + 2;
+    commentStart = str.indexOf("/*", lastEnd);
+  }
+
+  s = s + str.slice(lastEnd);
+  return s;
+}
+
+module.exports = exports.default;

node_modules/postcss-selector-parser/dist/util/unesc.js

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+"use strict";
+
+exports.__esModule = true;
+exports.default = unesc;
+var whitespace = '[\\x20\\t\\r\\n\\f]';
+var unescapeRegExp = new RegExp('\\\\([\\da-f]{1,6}' + whitespace + '?|(' + whitespace + ')|.)', 'ig');
+
+function unesc(str) {
+  return str.replace(unescapeRegExp, function (_, escaped, escapedWhitespace) {
+    var high = '0x' + escaped - 0x10000; // NaN means non-codepoint
+    // Workaround erroneous numeric interpretation of +"0x"
+    // eslint-disable-next-line no-self-compare
+
+    return high !== high || escapedWhitespace ? escaped : high < 0 ? // BMP codepoint
+    String.fromCharCode(high + 0x10000) : // Supplemental Plane codepoint (surrogate pair)
+    String.fromCharCode(high >> 10 | 0xd800, high & 0x3ff | 0xdc00);
+  });
+}
+
+module.exports = exports.default;