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             traits.ts
        
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             / src / main / ts / tsx / traits.ts
          
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      import _WidgetBase = require("dijit/_WidgetBase");

      type _WidgetBaseConstructor = typeof _WidgetBase;

      export interface BuildContext {

          getDomElement(): HTMLElement;

      }

      export function isNode(el: any): el is HTMLElement {

          return el && el.nodeName && el.nodeType;

      }

      export function isWidget(v: any): v is _WidgetBase {

          return v && "domNode" in v;

      }

      export function isBuildContext(v: any): v is BuildContext {

          return typeof v === "object" && typeof v.getDomElement === "function";

      }

      export function isPlainObject(v: object) {

          if (typeof v !== "object")

              return false;

          const vp = Object.getPrototypeOf(v);

          return !vp || vp === Object.prototype;

      }

      export function isWidgetConstructor(v: any): v is _WidgetBaseConstructor {

          return typeof v === "function" && v.prototype && "domNode" in v.prototype;

      }

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				import _WidgetBase = require("dijit/_WidgetBase");

				type _WidgetBaseConstructor = typeof _WidgetBase;


				export interface BuildContext {
				getDomElement(): HTMLElement;
				}

				export function isNode(el: any): el is HTMLElement {
				return el && el.nodeName && el.nodeType;
				}

				export function isWidget(v: any): v is _WidgetBase {
				return v && "domNode" in v;
				}

				export function isBuildContext(v: any): v is BuildContext {
				return typeof v === "object" && typeof v.getDomElement === "function";
				}

				export function isPlainObject(v: object) {
				if (typeof v !== "object")
				return false;

				const vp = Object.getPrototypeOf(v);
				return !vp \|\| vp === Object.prototype;
				}

				export function isWidgetConstructor(v: any): v is _WidgetBaseConstructor {
				return typeof v === "function" && v.prototype && "domNode" in v.prototype;
				}