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42 lines
1.2 KiB
42 lines
1.2 KiB
5 years ago
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# CrossOriginStrategy
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`CrossOriginStrategy` is a class exposed by @abp/ng.core package. Its instances define how a source referenced by an element will be retrieved by the browser and are consumed by other classes such as `LoadingStrategy`.
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## API
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### constructor(public crossorigin: 'anonymous' | 'use-credentials', public integrity?: string)
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`crossorigin` is mapped to [the HTML attribute with the same name](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/crossorigin).
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`integrity` is a hash for validating a remote resource. Its use is explained [here](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity).
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### setCrossOrigin(element: HTMLElement): void
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This method maps the aforementioned properties to the given `element`.
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## Predefined Cross-Origin Strategies
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Predefined cross-origin strategies are accessible via `CROSS_ORIGIN_STRATEGY` constant.
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### Anonymous(integrity?: string)
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`crossorigin` will be set as `"anonymous"` and `integrity` is optional.
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### UseCredentials(integrity?: string)
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`crossorigin` will be set as `"use-credentials"` and `integrity` is optional.
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## What's Next?
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- [LoadingStrategy](./Loading-Strategy.md)
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