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53 lines
1.2 KiB
Markdown
53 lines
1.2 KiB
Markdown
# websri
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[](https://www.npmjs.com/package/websri) [](https://www.jsdocs.io/package/websri)
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`websri` is a universal Subresource Integrity (SRI) utility for Node.js, browsers, Cloudflare Workers, Deno, Bun, and other web-compatible runtimes.
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## Usage
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Install package:
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```sh
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# npm
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npm install websri
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# yarn
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yarn add websri
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# pnpm
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pnpm install websri
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# deno
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deno add npm:websri
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# bun
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bun install websri
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```
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[Integrity Metadata](https://www.w3.org/TR/SRI/#integrity-metadata):
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```ts
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import { createIntegrityMetadata } from "websri";
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const res = new Response("Hello, world!");
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const data = await res.arrayBuffer();
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const integrityMetadata = await createIntegrityMetadata("sha256", data);
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console.log(integrityMetadata.toString());
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// sha256-MV9b23bQeMQ7isAGTkoBZGErH853yGk0W/yUx1iU7dM=
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```
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## Documentation
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[API Reference](https://www.jsdocs.io/package/websri)
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## FAQ
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### What is Subresource Integrity?
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[Subresource Integrity (SRI)](https://www.w3.org/TR/SRI/) is a security feature that allows user agents to verify that a fetched resource has not been manipulated unexpectedly.
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## License
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`websri` is released under the MIT License.
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