@difizen/mana-core
Version:
35 lines (34 loc) • 2.38 kB
JavaScript
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import { getOrigin } from '@difizen/mana-observable';
import { ViewContextMetaKey } from "./view-protocol";
/**
* View metadata
* 提供静态方法，用于获取和设置视图的上下文
*/
export var ViewMeta = /*#__PURE__*/function () {
function ViewMeta() {
_classCallCheck(this, ViewMeta);
}
_createClass(ViewMeta, null, [{
key: "setViewContext",
value: function setViewContext(view, context) {
Reflect.defineMetadata(ViewContextMetaKey, getOrigin(context), getOrigin(view));
}
}, {
key: "getViewContext",
value: function getViewContext(view) {
return Reflect.getMetadata(ViewContextMetaKey, getOrigin(view));
}
}, {
key: "removeViewContext",
value: function removeViewContext(view) {
Reflect.deleteMetadata(ViewContextMetaKey, getOrigin(view));
}
}]);
return ViewMeta;
}();