TypeScript @angular-core-src-facade-lang.isBlank类(方法)实例源码

get(panelBodyObj:Object) {

        let _search = (!isBlank(panelBodyObj['search'])) ? panelBodyObj['search'] : AtexoRestConstant.request.panel.all.parameter;
        let _header = (!isBlank(panelBodyObj['header'])) ? panelBodyObj['header'] : AtexoRestConstant.request.panel.all.header;

        var options = new RequestOptions({
            method: AtexoRestConstant.request.alert.all.method,
            headers: Util.getInstance().RequestHeader().setHeaderParams(_header),
            url: panelBodyObj['urlData'],
            search: Util.getInstance().RequestOptions().setSearchParams(_search)
        });

        var req = new Request(options);
        return this.http.request(req);
    }

ngAfterViewInit() {
     this.viewInitialized = true;
     rendererLog("this._selectedIndex: " + this._selectedIndex);
     if (!isBlank(this._selectedIndex)) {
         this.tabView.selectedIndex = this._selectedIndex;
     }
 }

transform(value) {
   if (isBlank(value)) return value;
   if (!isString(value)) {
     throw new InvalidPipeArgumentException(JsonPointerEscapePipe, value);
   }
   return JsonPointer.escape(value);
 }

public static check(control: AbstractControl): boolean {
        if (isBlank(control.value) || (isString(control.value) && control.value.trim() === '')) {
            return false;
        }

        return true;
    }

private getParamOrData(key: string, params: RouteParams, data: RouteData) {
     let result = params.get(key);
     if (!isBlank(result)) {
         return result;
     } else {
         return data.get(key);
     }
 }

ngAfterViewInit() {
     this.viewInitialized = true;
     debugger;
     console.log("this._selectedIndex: " + this._selectedIndex);
     if (!isBlank(this._selectedIndex)) {
         this.tabView.selectedIndex = this._selectedIndex;
     }
 }