@web-atoms/core/dist/core/PropertyMap.js

Web Atoms Core

System.register(["../di/TypeKey"], function (_export, _context) {
  "use strict";

  var TypeKey, PropertyMap;
  _export("PropertyMap", void 0);
  return {
    setters: [function (_diTypeKey) {
      TypeKey = _diTypeKey.TypeKey;
    }],
    execute: function () {
      _export("PropertyMap", PropertyMap = class PropertyMap {
        static from(o) {
          const c = Object.getPrototypeOf(o);
          const key = TypeKey.get(c);
          const map = PropertyMap.map;
          const m = map[key] || (map[key] = PropertyMap.createMap(o));
          return m;
        }
        static createMap(c) {
          const map = {};
          const nameList = [];
          while (c) {
            const names = Object.getOwnPropertyNames(c);
            for (const name of names) {
              if (/hasOwnProperty|constructor|toString|isValid|errors/i.test(name)) {
                continue;
              }
              map[name] = true;
              nameList.push(name);
            }
            c = Object.getPrototypeOf(c);
          }
          const m = new PropertyMap();
          m.map = map;
          m.names = nameList;
          return m;
        }
      });
      PropertyMap.map = {};
    }
  };
});
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