"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.StyleProvider = exports.CSS_IN_JS_INSTANCE = exports.ATTR_TOKEN = exports.ATTR_MARK = exports.ATTR_CACHE_PATH = void 0;
exports.createCache = createCache;
exports.default = void 0;
var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
var _useMemo = _interopRequireDefault(require("rc-util/lib/hooks/useMemo"));
var _isEqual = _interopRequireDefault(require("rc-util/lib/isEqual"));
var React = _interopRequireWildcard(require("react"));
var _Cache = _interopRequireDefault(require("./Cache"));
var _excluded = ["children"];
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
var ATTR_TOKEN = 'data-token-hash';
exports.ATTR_TOKEN = ATTR_TOKEN;
var ATTR_MARK = 'data-css-hash';
exports.ATTR_MARK = ATTR_MARK;
var ATTR_CACHE_PATH = 'data-cache-path';

// Mark css-in-js instance in style element
exports.ATTR_CACHE_PATH = ATTR_CACHE_PATH;
var CSS_IN_JS_INSTANCE = '__cssinjs_instance__';
exports.CSS_IN_JS_INSTANCE = CSS_IN_JS_INSTANCE;
function createCache() {
  var cssinjsInstanceId = Math.random().toString(12).slice(2);

  // Tricky SSR: Move all inline style to the head.
  // PS: We do not recommend tricky mode.
  if (typeof document !== 'undefined' && document.head && document.body) {
    var styles = document.body.querySelectorAll("style[".concat(ATTR_MARK, "]")) || [];
    var firstChild = document.head.firstChild;
    Array.from(styles).forEach(function (style) {
      style[CSS_IN_JS_INSTANCE] = style[CSS_IN_JS_INSTANCE] || cssinjsInstanceId;

      // Not force move if no head
      if (style[CSS_IN_JS_INSTANCE] === cssinjsInstanceId) {
        document.head.insertBefore(style, firstChild);
      }
    });

    // Deduplicate of moved styles
    var styleHash = {};
    Array.from(document.querySelectorAll("style[".concat(ATTR_MARK, "]"))).forEach(function (style) {
      var hash = style.getAttribute(ATTR_MARK);
      if (styleHash[hash]) {
        if (style[CSS_IN_JS_INSTANCE] === cssinjsInstanceId) {
          var _style$parentNode;
          (_style$parentNode = style.parentNode) === null || _style$parentNode === void 0 ? void 0 : _style$parentNode.removeChild(style);
        }
      } else {
        styleHash[hash] = true;
      }
    });
  }
  return new _Cache.default(cssinjsInstanceId);
}
var StyleContext = /*#__PURE__*/React.createContext({
  hashPriority: 'low',
  cache: createCache(),
  defaultCache: true
});
var StyleProvider = function StyleProvider(props) {
  var children = props.children,
    restProps = (0, _objectWithoutProperties2.default)(props, _excluded);
  var parentContext = React.useContext(StyleContext);
  var context = (0, _useMemo.default)(function () {
    var mergedContext = (0, _objectSpread2.default)({}, parentContext);
    Object.keys(restProps).forEach(function (key) {
      var value = restProps[key];
      if (restProps[key] !== undefined) {
        mergedContext[key] = value;
      }
    });
    var cache = restProps.cache;
    mergedContext.cache = mergedContext.cache || createCache();
    mergedContext.defaultCache = !cache && parentContext.defaultCache;
    return mergedContext;
  }, [parentContext, restProps], function (prev, next) {
    return !(0, _isEqual.default)(prev[0], next[0], true) || !(0, _isEqual.default)(prev[1], next[1], true);
  });
  return /*#__PURE__*/React.createElement(StyleContext.Provider, {
    value: context
  }, children);
};
exports.StyleProvider = StyleProvider;
var _default = StyleContext;
exports.default = _default;