sha256() — svelte Function Reference

Architecture documentation for the sha256() function in crypto.js from the svelte codebase.

Function javascript ServerRuntime Serialization calls 1 called by 1

Entity Profile

ServerRuntime→ Serialization→ sha256() — svelte Function Reference

Dependency Diagram

graph TD
  a6460863_04d4_2187_b17f_03fcb0b078b2["sha256()"]
  3cae8e56_c0fb_4ba6_0874_ffdf0dfa134c["crypto.js"]
  a6460863_04d4_2187_b17f_03fcb0b078b2 -->|defined in| 3cae8e56_c0fb_4ba6_0874_ffdf0dfa134c
  67e574ef_12ff_a34a_1e29_df1a6a01a768["ctx()"]
  67e574ef_12ff_a34a_1e29_df1a6a01a768 -->|calls| a6460863_04d4_2187_b17f_03fcb0b078b2
  fff62c65_3d04_7c7d_74a5_524b832bae38["base64_encode()"]
  a6460863_04d4_2187_b17f_03fcb0b078b2 -->|calls| fff62c65_3d04_7c7d_74a5_524b832bae38
  style a6460863_04d4_2187_b17f_03fcb0b078b2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/src/internal/server/crypto.js lines 8–21

export async function sha256(data) {
	text_encoder ??= new TextEncoder();

	// @ts-expect-error
	crypto ??= globalThis.crypto?.subtle?.digest
		? globalThis.crypto
		: // @ts-ignore - we don't install node types in the prod build
			// don't use 'node:crypto' because static analysers will think we rely on node when we don't
			(await import(/* @vite-ignore */ 'node:' + 'crypto')).webcrypto;

	const hash_buffer = await crypto.subtle.digest('SHA-256', text_encoder.encode(data));

	return base64_encode(hash_buffer);
}