TypeScript angular.isFunction函数代码示例

/**
 *
 * @param watchDepth (value of HTML watch-depth attribute)
 * @param scope (angular scope)
 *
 * Uses the watchDepth attribute to determine how to watch props on scope.
 * If watchDepth attribute is NOT reference or collection, watchDepth defaults to deep watching by value
 */
function watchProps(watchDepth, scope, watchExpressions, listener) {
  const supportsWatchCollection = angular.isFunction(scope.$watchCollection);
  const supportsWatchGroup = angular.isFunction(scope.$watchGroup);

  const watchGroupExpressions = [];

  for (const expr of watchExpressions) {
    const actualExpr = getPropExpression(expr);
    const exprWatchDepth = getPropWatchDepth(watchDepth, expr);

    // ignore empty expressions & expressions with functions
    if (!actualExpr || actualExpr.match(/\(.*\)/) || exprWatchDepth === 'one-time') {
      continue;
    }

    if (exprWatchDepth === 'collection' && supportsWatchCollection) {
      scope.$watchCollection(actualExpr, listener);
    } else if (exprWatchDepth === 'reference' && supportsWatchGroup) {
      watchGroupExpressions.push(actualExpr);
    } else {
      scope.$watch(actualExpr, listener, exprWatchDepth !== 'reference');
    }
  }

  if (watchDepth === 'one-time') {
    listener();
  }

  if (watchGroupExpressions.length) {
    scope.$watchGroup(watchGroupExpressions, listener);
  }
}

/**
 *
 * @param watchDepth (value of HTML watch-depth attribute)
 * @param scope (angular scope)
 *
 * Uses the watchDepth attribute to determine how to watch props on scope.
 * If watchDepth attribute is NOT reference or collection, watchDepth defaults to deep watching by value
 */
function watchProps(watchDepth, scope, watchExpressions, listener) {
  const supportsWatchCollection = angular.isFunction(scope.$watchCollection);
  const supportsWatchGroup = angular.isFunction(scope.$watchGroup);

  const watchGroupExpressions = [];

  watchExpressions.forEach(expr => {
    const actualExpr = getPropExpression(expr);
    const exprWatchDepth = getPropWatchDepth(watchDepth, expr);

    if (exprWatchDepth === 'collection' && supportsWatchCollection) {
      scope.$watchCollection(actualExpr, listener);
    } else if (exprWatchDepth === 'reference' && supportsWatchGroup) {
      watchGroupExpressions.push(actualExpr);
    } else if (exprWatchDepth === 'one-time') {
      //do nothing because we handle our one time bindings after this
    } else {
      scope.$watch(actualExpr, listener, exprWatchDepth !== 'reference');
    }
  });

  if (watchDepth === 'one-time') {
    listener();
  }

  if (watchGroupExpressions.length) {
    scope.$watchGroup(watchGroupExpressions, listener);
  }
}

				(data) => {
					if (!data) {
						reject(`Failed to load dashboard categories. Result: ${data}`);
						return;
					}
					let idCounter = 0;
					const newCategories: any = [];
					for (let category in data) {
						if (data.hasOwnProperty(category)) {
							let dashboards = data[category];
							if (dashboards.length > 0) {
								dashboards = dashboards.filter(dash => dash && dash !== '');
								const item = {
									id: idCounter++,
									name: category,
									dashboards: dashboards
								};
								// sort 
								if (angular.isFunction(this.$izendaDashboardConfig.dashboardToolBarItemsSort))
									item.dashboards.sort((item1, item2) => this.$izendaDashboardConfig.dashboardToolBarItemsSort(item1, item2));
								newCategories.push(item);
							}
						}
					}
					this.categories.onNext(newCategories, this);
					resolve(this.categories);
				},

	/**
	 * Handle button click.
	 */
	onButtonClick(button) {
		if (!button) return;
		if (angular.isFunction(button.callback)) {
			button.callback(this.$izendaUtilUiService.dialogBox.checkboxes);
		}
		this.closeModal();
	}

// get a react component from name (components can be an angular injectable e.g. value, factory or
// available on window
function getReactComponent(name, $injector) {
  // if name is a function assume it is component and return it
  if (angular.isFunction(name)) {
    return name;
  }

  // a React component name must be specified
  if (!name) {
    throw new Error('ReactComponent name attribute must be specified');
  }

  // ensure the specified React component is accessible, and fail fast if it's not
  let reactComponent;
  try {
    reactComponent = $injector.get(name);
  } catch (e) {}

  if (!reactComponent) {
    try {
      reactComponent = name.split('.').reduce((current, namePart) => {
        return current[namePart];
      }, window);
    } catch (e) {}
  }

  if (!reactComponent) {
    throw Error('Cannot find react component ' + name);
  }

  return reactComponent;
}

					drop: function (event, ui) {
						if (angular.isFunction(scope.onDrop)) {
							scope.onDrop({
								arg0: angular.element(ui.helper).attr('draggable-data-id')
							});
						}
					}

    compile: function RecursiveDirectiveHelperCompile(element, link) {
      // Normalize the link parameter
      if (angular.isFunction(link)) {
        link = {
          post: link
        };
      }

      // Break the recursion loop by removing the contents
      var contents = element.contents().remove();
      var compiledContents;
      return {
        pre: (link && link.pre) ? link.pre : null,
        /**
         * Compiles and re-adds the contents
         */
        post: function RecursiveDirectiveHelperCompilePost(scope, element) {
          // Compile the contents
          if (!compiledContents) {
            compiledContents = $compile(contents);
          }
          // Re-add the compiled contents to the element
          compiledContents(scope, function (clone) {
            element.append(clone);
          });

          // Call the post-linking function, if any
          if (link && link.post) {
            link.post.apply(null, arguments);
          }
        }
      };
    }

function getModuleId<T>(value: T): T | string {
  if (ng.isFunction(value) && Reflect.get(value, ID_SYMBOL)) {
    return Reflect.get(value, ID_SYMBOL) as string;
  }

  return value;
}

          onOpen: function ($event) {
            if (scope.config.disabled) {
              $event.prevent();
              return;
            }

            if (hasBeenOpened === false) {
              hasBeenOpened = true;
            }
            filterOptions();

            $document.on('keyup', onEscPressed);

            domDropDownMenu.style.visibility = 'hidden';
            $timeout(function () {
              adjustHeight();
              domDropDownMenu.style.visibility = 'visible';

              if (scope.config.filter.active) {
                // use timeout to open dropdown first and then set the focus,
                // otherwise focus won't be set because iElement is not visible
                $timeout(function () {
                  iElement[0].querySelector('.dropdown-menu input').focus();
                });
              }
            });
            jqWindow.on('resize', adjustHeight);

            if (angular.isFunction(scope.config.dropdown.onOpen)) {
              (scope.config.dropdown.onOpen as any)();
            }
          },

export function UtilService($window) {
  'ngInject';
  var Util = {
    /**
     * Return a callback or noop function
     *
     * @param  {Function|*} cb - a 'potential' function
     * @return {Function}
     */
    safeCb(cb) {
      return (angular.isFunction(cb)) ? cb : angular.noop;
    },

    /**
     * Parse a given url with the use of an anchor element
     *
     * @param  {String} url - the url to parse
     * @return {Object}     - the parsed url, anchor element
     */
    urlParse(url) {
      var a = document.createElement('a');
      a.href = url;

      // Special treatment for IE, see http://stackoverflow.com/a/13405933 for details
      if (a.host === '') {
        a.href = a.href;
      }

      return a;
    },

    /**
     * Test whether or not a given url is same origin
     *
     * @param  {String}           url       - url to test
     * @param  {String|String[]}  [origins] - additional origins to test against
     * @return {Boolean}                    - true if url is same origin
     */
    isSameOrigin(url, origins) {
      url = Util.urlParse(url);
      origins = (origins && [].concat(origins)) || [];
      origins = origins.map(Util.urlParse);
      origins.push($window.location);
      origins = origins.filter(function(o) {
        let hostnameCheck = url.hostname === o.hostname;
        let protocolCheck = url.protocol === o.protocol;
        // 2nd part of the special treatment for IE fix (see above):
        // This part is when using well-known ports 80 or 443 with IE,
        // when $window.location.port==='' instead of the real port number.
        // Probably the same cause as this IE bug: https://goo.gl/J9hRta
        let portCheck = url.port === o.port || (o.port === '' && (url.port === '80' || url.port === '443'));
        return hostnameCheck && protocolCheck && portCheck;
      });
      return origins.length >= 1;
    }
  };

  return Util;
}