TypeScript filter.filter函数代码示例

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本文整理汇总了TypeScript中rxjs/operators/filter.filter函数的典型用法代码示例。如果您正苦于以下问题：TypeScript filter函数的具体用法？TypeScript filter怎么用？TypeScript filter使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了filter函数的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: reloadStyleImages

    function reloadStyleImages(style, styleNames: string[], path, expando): Observable<any> {
        return from(styleNames).pipe(
            filter(styleName => typeof style[styleName] === 'string')
            , map((styleName: string) => {
                let pathName;
                const value = style[styleName];
                const newValue = value.replace(new RegExp(`\\burl\\s*\\(([^)]*)\\)`), (match, src) => {
                    let _src = src;
                    if (src[0] === '"' && src[src.length-1] === '"') {
                        _src = src.slice(1, -1);
                    }
                    pathName = getLocation(_src).pathname;
                    if (pathsMatch(path, pathFromUrl(_src))) {
                        return `url(${generateCacheBustUrl(_src, expando)})`;
                    } else {
                        return match;
                    }
                });

                return [
                    style,
                    styleName,
                    value,
                    newValue,
                    pathName
                ];
            })
            , filter(([style, styleName, value, newValue]) => newValue !== value)
            , map(([style, styleName, value, newValue, pathName]) => styleSet({style, styleName, value, newValue, pathName}))
        )
    }

开发者ID:BrowserSync，项目名称:browser-sync，代码行数:31，代码来源:Reloader.ts

示例2: getFormInputStream

export function getFormInputStream(
    document: Document,
    socket$: Inputs["socket$"],
    option$: Inputs["option$"]
): Observable<OutgoingSocketEvent> {
    const canSync$ = createTimedBooleanSwitch(
        socket$.pipe(filter(([name]) => name === IncomingSocketNames.Keyup))
    );
    return option$.pipe(
        skip(1), // initial option set before the connection event
        pluck("ghostMode", "forms", "inputs"),
        distinctUntilChanged(),
        switchMap(formInputs => {
            if (!formInputs) {
                return empty();
            }
            return fromEvent(document.body, "keyup", true).pipe(
                map((e: Event) => e.target || e.srcElement),
                filter(
                    (target: Element) =>
                        target.tagName === "INPUT" ||
                        target.tagName === "TEXTAREA"
                ),
                withLatestFrom(canSync$),
                filter(([, canSync]) => canSync),
                map(([eventTarget]) => {
                    const target = getElementData(eventTarget);
                    const value = eventTarget.value;

                    return KeyupEvent.outgoing(target, value);
                })
            );
        })
    );
}

开发者ID:BrowserSync，项目名称:browser-sync，代码行数:35，代码来源:form-inputs.listener.ts

示例3: withLatestFrom

 [Overlay.Info]: (xs: Observable<[LogNames, any]>, inputs: Inputs) => {
     return xs.pipe(
         withLatestFrom(
             inputs.option$,
             inputs.notifyElement$,
             inputs.document$
         ),
         /**
          * Reject all notifications if notify: false
          */
         filter(([, options]) => Boolean(options.notify)),
         /**
          * Set the HTML of the notify element
          */
         tap(([event, options, element, document]) => {
             element.innerHTML = event[0];
             element.style.display = "block";
             document.body.appendChild(element);
         }),
         /**
          * Now remove the element after the given timeout
          */
         switchMap(([event, options, element, document]) => {
             return timer(event[1] || 2000).pipe(
                 tap(() => {
                     element.style.display = "none";
                     if (element.parentNode) {
                         document.body.removeChild(element);
                     }
                 })
             );
         })
     );
 }

开发者ID:BrowserSync，项目名称:browser-sync，代码行数:34，代码来源:log.ts

示例4: login

  login(params: any): Observable<any> {
    var __headers = new HttpHeaders({
      'Content-Type': 'application/json'
    });
    var __body = {
      EmailAddress: params.username,
      Password:(params.password),

    };
    let req = new HttpRequest < any > (
      'POST',
      this.rootUrl + `/account/token`,
      __body, {
        headers: __headers

      });
      
    return this.http.request < any > (req).pipe(
      filter(_r => _r instanceof HttpResponse),
      map(_r => {
        let _resp = _r as HttpResponse < any > ;
        let _body = _resp.body;
   
        if (_resp.ok) {
          localStorage.clear();
          Object.keys(_body).map(key => localStorage.setItem(key, _body[key]));
        } else {
          localStorage.clear();
        }
        return _resp.clone({
          body: _body
        }) as HttpResponse < any > ;
      })
    );
  }

开发者ID:sgbangale，项目名称:AngularApp，代码行数:35，代码来源:account.service.ts

示例5: request

    request(params: any,request_type:string): Observable < any > {
        var __headers = new HttpHeaders({
            'Content-Type': 'application/json'
        });
        var __body = {
            "request_data": params
        };
       
        let req = new HttpRequest < any > (
            'POST',
            this.rootUrl + `/request?request_type=`+request_type,
            __body, {
                headers: __headers
            });

        return this.http.request < any > (req).pipe(
            filter(_r => _r instanceof HttpResponse),
            map(_r => {
                let _resp = _r as HttpResponse < any > ;
                let _body = _resp.body;               
                return _resp.clone({
                    body: _body
                }) as HttpResponse < any > ;
            })
        );
    }

开发者ID:sgbangale，项目名称:AngularApp，代码行数:26，代码来源:request.service.ts

示例6: incomingBrowserReload

export function incomingBrowserReload(xs: Observable<any>, inputs: Inputs) {
    return xs.pipe(
        withLatestFrom(inputs.option$),
        filter(([event, options]) => options.codeSync),
        mergeMap(reloadBrowserSafe)
    );
}

开发者ID:BrowserSync，项目名称:browser-sync，代码行数:7，代码来源:BrowserReload.ts

示例7: switchMap

        switchMap(scroll => {
            if (!scroll) return empty();
            return fromEvent(document, "scroll", true).pipe(
                map((e: Event) => e.target),
                withLatestFrom(canSync$, elemMap$),
                filter(([, canSync]) => Boolean(canSync)),
                map(([target, canSync, elemMap]: [any, boolean, any[]]) => {
                    if (target === document) {
                        return ScrollEvent.outgoing(
                            getScrollPosition(window, document),
                            "document",
                            0
                        );
                    }

                    const elems = document.getElementsByTagName(target.tagName);
                    const index = Array.prototype.indexOf.call(
                        elems || [],
                        target
                    );

                    return ScrollEvent.outgoing(
                        getScrollPositionForElement(target),
                        target.tagName,
                        index,
                        elemMap.indexOf(target)
                    );
                })
            );
        })

开发者ID:BrowserSync，项目名称:browser-sync，代码行数:30，代码来源:scroll.listener.ts

示例8: getScrollStream

export function getScrollStream(
    window: Window,
    document: Document,
    socket$: Inputs["socket$"],
    option$: Inputs["option$"]
): Observable<OutgoingSocketEvent> {
    const canSync$ = createTimedBooleanSwitch(
        socket$.pipe(filter(([name]) => name === IncomingSocketNames.Scroll))
    );

    /**
     * If the option 'scrollElementMapping' is provided
     * we cache thw
     * @type {Observable<(Element | null)[]>}
     */
    const elemMap$ = option$.pipe(
        pluck("scrollElementMapping"),
        map((selectors: string[]) =>
            selectors.map(selector => document.querySelector(selector))
        )
    );

    return option$.pipe(
        skip(1), // initial option set before the connection event
        pluck("ghostMode", "scroll"),
        distinctUntilChanged(),
        switchMap(scroll => {
            if (!scroll) return empty();
            return fromEvent(document, "scroll", true).pipe(
                map((e: Event) => e.target),
                withLatestFrom(canSync$, elemMap$),
                filter(([, canSync]) => Boolean(canSync)),
                map(([target, canSync, elemMap]: [any, boolean, any[]]) => {
                    if (target === document) {
                        return ScrollEvent.outgoing(
                            getScrollPosition(window, document),
                            "document",
                            0
                        );
                    }

                    const elems = document.getElementsByTagName(target.tagName);
                    const index = Array.prototype.indexOf.call(
                        elems || [],
                        target
                    );

                    return ScrollEvent.outgoing(
                        getScrollPositionForElement(target),
                        target.tagName,
                        index,
                        elemMap.indexOf(target)
                    );
                })
            );
        })
    );
}

开发者ID:BrowserSync，项目名称:browser-sync，代码行数:58，代码来源:scroll.listener.ts

示例9: incomingBrowserLocation

export function incomingBrowserLocation(
    xs: Observable<IncomingPayload>,
    inputs: Inputs
) {
    return xs.pipe(
        withLatestFrom(inputs.option$.pipe(pluck("ghostMode", "location"))),
        filter(([, canSyncLocation]) => canSyncLocation === true),
        map(([event]) => browserSetLocation(event))
    );
}

开发者ID:BrowserSync，项目名称:browser-sync，代码行数:10，代码来源:BrowserLocation.ts

注：本文中的rxjs/operators/filter.filter函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。