@fruits-chain/react-native-xiaoshu/lib/commonjs/theme/create-var.js

🌈 React Native UI library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createVar = void 0;
var _isNil = _interopRequireDefault(require("lodash/isNil"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const StyleMap = new Map();
const createVar = (token, creator) => {
  let myStyle;
  for (let [key, value] of StyleMap) {
    if (key[1] === creator) {
      if (key[0] === token) {
        myStyle = value;
      } else {
        StyleMap.delete(key);
      }
    }
  }

  // @ts-ignore
  if (!myStyle) {
    myStyle = creator(token);
    // 变量覆盖
    // @ts-ignore
    Object.keys(myStyle).forEach(field => {
      if (!(0, _isNil.default)(token[field])) {
        myStyle[field] = token[field];
      }
    });
    StyleMap.set([token, creator], myStyle);
  }
  return myStyle;
};
exports.createVar = createVar;
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