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

Web Atoms Core

System.register(["../web/core/AtomUI", "./AtomBinder"], function (_export, _context) {
  "use strict";

  var ChildEnumerator, AtomBinder, visitDescendents, refreshInherited, watchProperty, setValue;
  return {
    setters: [function (_webCoreAtomUI) {
      ChildEnumerator = _webCoreAtomUI.ChildEnumerator;
    }, function (_AtomBinder) {
      AtomBinder = _AtomBinder.AtomBinder;
    }],
    execute: function () {
      _export("visitDescendents", visitDescendents = (element, action) => {
        for (const iterator of ChildEnumerator.enumerate(element)) {
          const eAny = iterator;
          const ac = eAny ? eAny.atomControl : undefined;
          if (!action(iterator, ac)) {
            continue;
          }
          visitDescendents(iterator, action);
        }
      });
      _export("refreshInherited", refreshInherited = (target, name, fieldName) => {
        AtomBinder.refreshValue(target, name);
        if (!fieldName) {
          fieldName = "m" + name[0].toUpperCase() + name.substr(1);
        }
        if (!target.element) {
          return;
        }
        visitDescendents(target.element, (e, ac) => {
          if (ac) {
            if (ac[fieldName] === undefined) {
              refreshInherited(ac, name, fieldName);
            }
            return false;
          }
          return true;
        });
      });
      _export("watchProperty", watchProperty = (element, name, events, f) => {
        if (events.indexOf("change") === -1) {
          events.push("change");
        }
        const l = e => {
          const e1 = element;
          const v = e1.type === "checkbox" ? e1.checked : e1.value;
          f(v);
        };
        for (const iterator of events) {
          element.addEventListener(iterator, l, false);
        }
        return {
          dispose: () => {
            for (const iterator of events) {
              element.removeEventListener(iterator, l, false);
            }
          }
        };
      });
      _export("setValue", setValue = (element, name, value) => {
        element[name] = value;
      });
    }
  };
});
//# sourceMappingURL=Hacks.js.map