@arcjet/analyze
Advanced tools
@arcjet/analyze
Arcjet helps developers protect their apps. Installed as an SDK, it provides a set of core primitives such as rate limiting and bot protection. These can be used independently or combined to create a set of layered defenses, such as signup form protection.
This is the Arcjet local analysis engine.
npm install -S @arcjet/analyze
import { generateFingerprint, isValidEmail } from "@arcjet/analyze";
const fingerprint = generateFingerprint("127.0.0.1");
console.log("fingerprint: ", fingerprint);
const valid = isValidEmail("hello@example.com");
console.log("is email valid?", valid);
This package provides analyze logic implemented as a WebAssembly module which will run local analysis on request details before calling the Arcjet API.
The arcjet.wasm.js file contains the binary inlined as
a base64 Data URL with the application/wasm MIME type.
This was chosen to save on storage space over inlining the file directly as a Uint8Array, which would take up ~3x the space of the Wasm file. See Better Binary Batter: Mixing Base64 and Uint8Array for more details.
It is then decoded into an ArrayBuffer to be used directly via WebAssembly's
compile() function in our entry point file.
This is all done to avoid trying to read or bundle the Wasm asset in various
ways based on the platform or bundler a user is targeting. One example being
that Next.js requires special asyncWebAssembly webpack config to load our
Wasm file if we don't do this.
In the future, we hope to do away with this workaround when all bundlers properly support consistent asset bundling techniques.
In progress.
Licensed under the Apache License, Version 2.0.
1.0.0-alpha.7 (2023-12-21)
FAQs
Arcjet local analysis engine
We found that @arcjet/analyze demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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