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TypeScript types.isString函数代码示例

本文整理汇总了TypeScript中tns-core-modules/utils/types.isString函数的典型用法代码示例。如果您正苦于以下问题:TypeScript isString函数的具体用法?TypeScript isString怎么用?TypeScript isString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isString函数的8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,您的评价将有助于系统推荐出更棒的TypeScript代码示例。

示例1: fetch

 fetch("https://httpbin.org/get").then(response => response.text()).then(function (r) {
     // Argument (r) is string!
     // >> (hide)
     TKUnit.assert(types.isString(r), "Result from text() should be string! Actual result is: " + r);
     done(null);
     // << (hide)
 }).catch(failOnError(done));
开发者ID:NathanWalker,项目名称:NativeScript,代码行数:7,代码来源:fetch-tests.ts

示例2: getPlaceholderImageDrawable

  public static getPlaceholderImageDrawable(value) {

    let fileName = "",
      drawable = null;


    if (types.isString(value)) {

      value = value.trim();

      if (utils.isFileOrResourcePath(value)) {


        if (0 === value.indexOf("~/")) {
          fileName = fs.path.join(fs.knownFolders.currentApp().path, value.replace("~/", ""));
          drawable = android.graphics.drawable.Drawable.createFromPath(fileName);
        } else if (0 === value.indexOf("res")) {
          fileName = value;
          let res = utils.ad.getApplicationContext().getResources();
          let resName = fileName.substr(utils.RESOURCE_PREFIX.length);
          let identifier = res.getIdentifier(resName, 'drawable', utils.ad.getApplication().getPackageName());
          drawable = res.getDrawable(identifier);
        }


      }
    }

    return drawable;

  }
开发者ID:VideoSpike,项目名称:nativescript-web-image-cache,代码行数:31,代码来源:helpers.ts

示例3: getPlaceholderUIImage

  public static getPlaceholderUIImage(value) {
    if (types.isString(value)) {
      if (utils.isFileOrResourcePath(value)) {
        return imageSource.fromFileOrResource(value).ios;
      }
    }

    return undefined;
  }
开发者ID:VideoSpike,项目名称:nativescript-web-image-cache,代码行数:9,代码来源:helpers.ts

示例4:

 var imageLoaded = () => {
     let currentValue = this.src;
     if (!types.isString(this.src) || value !== currentValue.trim()) {
         return;
     }
     this.imageSource = source;
     // imageSourceProperty.nativeValueChange(this, source);
     // this._setValue(SVGImage.isLoadingProperty, false);
     this.isLoading = false;
 }
开发者ID:peoplewareDo,项目名称:nativescript-svg,代码行数:10,代码来源:svg.common.ts

示例5: boolParse

export function boolParse(value: any) {
  if (types.isString(value)) {
    switch (value.toLowerCase()) {
      case 'yes':
        return true;
      default:
        return false;
    }
  } else if (types.isBoolean(value)) {
    return value;
  }
  return false;
}
开发者ID:sean-perkins,项目名称:nativescript-pspdfkit,代码行数:13,代码来源:common.ts

示例6: setSource

  static setSource(image, value) {
    image.nativeView.setImageURI(null, null);

    if (types.isString(value)) {
      value = value.trim();
      if (utils.isFileOrResourcePath(value) || 0 === value.indexOf("http")) {
        image.isLoading = true;
        let fileName = "";
        if (0 === value.indexOf("~/")) {
          fileName = fs.path.join(fs.knownFolders.currentApp().path, value.replace("~/", ""));
          fileName = "file:" + fileName;
        } else if (0 === value.indexOf("res")) {
          fileName = value;
          let res = utils.ad.getApplicationContext().getResources();
          let resName = fileName.substr(utils.RESOURCE_PREFIX.length);
          let identifier = res.getIdentifier(resName, 'drawable', utils.ad.getApplication().getPackageName());
          fileName = "res:/" + identifier;
        } else if (0 === value.indexOf("http")) {
          image.isLoading = true;
          fileName = value;
        }

        image.nativeView.setImageURI(android.net.Uri.parse(fileName), null);

        let controllerListener = new ProxyBaseControllerListener();
        controllerListener.setNSCachedImage(image);


        let controller = com.facebook.drawee.backends.pipeline.Fresco.newDraweeControllerBuilder()
          .setControllerListener(controllerListener)
          .setUri(android.net.Uri.parse(fileName))
          .build();
        image.nativeView.setController(controller);
        image.requestLayout();

      } else {

        throw new Error("Path \"" + "\" is not a valid file or resource.");

      }
    }

  }
开发者ID:VideoSpike,项目名称:nativescript-web-image-cache,代码行数:43,代码来源:helpers.ts

示例7: onSrcPropertySet

  public static onSrcPropertySet(nativeWrapper, value) {


    let image = nativeWrapper,
      placeholder = nativeWrapper.placeholder,
      placeholderImage = this.getPlaceholderUIImage(placeholder);
    if (types.isString(value)) {
      value = value.trim();
      if (0 === value.indexOf("http")) {
        image.isLoading = true;
        image.nativeView.sd_setImageWithURLPlaceholderImageCompleted(value, placeholderImage, function() {
          image.isLoading = false;

        });
      } else if (utils.isFileOrResourcePath(value)) {
        image.isLoading = true;
        let source: any = new imageSource.ImageSource();

        if (0 === value.indexOf(utils.RESOURCE_PREFIX)) {
          let path = value.substr(utils.RESOURCE_PREFIX.length);
          source.fromResource(path).then(function() {
            image.isLoading = false;
            image.nativeView.image = source.ios || source.nativeView;
          });
        } else {
          source.fromFile(value).then(function() {
            image.isLoading = false;
            image.nativeView.image = source.ios || source.nativeView;
          });
        }

      }
      image.requestLayout();
    }

  }
开发者ID:VideoSpike,项目名称:nativescript-web-image-cache,代码行数:36,代码来源:helpers.ts

示例8: _createImageSourceFromSrc

    /**
     * @internal
     */
    _createImageSourceFromSrc(): void {
        var value = this.src;
        if (types.isString(value)) {
            value = value.trim();
            this.imageSource = null;
            this["_url"] = value;

            // this._setValue(SVGImage.isLoadingProperty, true);
            this.isLoading = true;

            var source = new definition.ImageSourceSVG();
            var imageLoaded = () => {
                let currentValue = this.src;
                if (!types.isString(this.src) || value !== currentValue.trim()) {
                    return;
                }
                this.imageSource = source;
                // imageSourceProperty.nativeValueChange(this, source);
                // this._setValue(SVGImage.isLoadingProperty, false);
                this.isLoading = false;
            }
            //WRONG IMplementation, it can't load data uri, just base xml encode
            if (utils.isDataURI(value)) {
                var base64Data = value.split(",")[1];
                if (types.isDefined(base64Data)) {
                    if (this.loadMode === SYNC) {
                        source.loadFromBase64(base64Data);
                        imageLoaded();
                    } else if (this.loadMode === ASYNC) {
                        source.fromBase64(base64Data).then(imageLoaded);
                    }
                }
            }
            else if (definition.isFileOrResourcePath(value)) {
                if (value.indexOf(utils.RESOURCE_PREFIX) === 0) {
                    let resPath = value.substr(utils.RESOURCE_PREFIX.length);
                    if (this.loadMode === SYNC) {
                        source.loadFromResource(resPath);
                        imageLoaded();
                    } else if (this.loadMode === ASYNC) {
                        this.imageSource = null;
                        source.fromResource(resPath).then(imageLoaded);
                    }
                } else {
                    if (this.loadMode === SYNC) {
                        source.loadFromFile(value);
                        imageLoaded();
                    } else if (this.loadMode === ASYNC) {
                        this.imageSource = null;
                        source.fromFile(value).then(imageLoaded);
                    }
                }
            } else {
                this.imageSource = null;
                definition.fromUrl(value).then((r) => {
                    if (this["_url"] === value) {
                        this.imageSource = r;
                        // this._setValue(SVGImage.isLoadingProperty, false);
                        this.isLoading = false;
                    }
                });
            }
        }
        else if (value instanceof definition.ImageSourceSVG) {
            // Support binding the imageSource trough the src property
            this.imageSource = value;
            // this._setValue(SVGImage.isLoadingProperty, false);
            this.isLoading = false;

        }
        else {
            this.imageSource = definition.fromNativeSource(value);
            // this._setValue(SVGImage.isLoadingProperty, false);
            this.isLoading = false;
        }
    }
开发者ID:peoplewareDo,项目名称:nativescript-svg,代码行数:79,代码来源:svg.common.ts


注:本文中的tns-core-modules/utils/types.isString函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。