2.6 KiB
LoadingStrategy
LoadingStrategy is an abstract class exposed by @abp/ng.core package. Its instances help you mark inline script or styles as safe in terms of Content Security Policy.
API
constructor(public path: string, protected domStrategy?: DomStrategy, protected crossOriginStrategy?: CrossOriginStrategy)
path is set to <script> elements as src and <link> elements as href attribute.
domStrategy is the DomStrategy that will be used when inserting the created element. (default: AppendToHead)
crossOriginStrategy is the CrossOriginStrategy that will be used on the created element before inserting it. (default: Anonymous)
createElement(): HTMLScriptElement | HTMLLinkElement
This method creates and returns a <script> or <link> element with path set as src or href.
createStream(): Observable
This method creates and returns an observable stream that emits on success and throws on error.
ScriptLoadingStrategy
ScriptLoadingStrategy is a class that extends LoadingStrategy. It lets you lazy load a script.
StyleLoadingStrategy
StyleLoadingStrategy is a class that extends LoadingStrategy. It lets you lazy load a style.
Predefined Loading Strategies
Predefined content security strategies are accessible via LOADING_STRATEGY constant.
AppendAnonymousScriptToHead(src: string, integrity?: string)
Sets given paremeters and crossorigin="anonymous" as attributes of created <script> element and places it at the end of <head> tag in the document.
PrependAnonymousScriptToHead(src: string, integrity?: string)
Sets given paremeters and crossorigin="anonymous" as attributes of created <script> element and places it at the beginning of <head> tag in the document.
AppendAnonymousScriptToBody(src: string, integrity?: string)
Sets given paremeters and crossorigin="anonymous" as attributes of created <script> element and places it at the end of <body> tag in the document.
AppendAnonymousStyleToHead(href: string, integrity?: string)
Sets given paremeters and crossorigin="anonymous" as attributes of created <style> element and places it at the end of <head> tag in the document.
PrependAnonymousStyleToHead(href: string, integrity?: string)
Sets given paremeters and crossorigin="anonymous" as attributes of created <style> element and places it at the beginning of <head> tag in the document.