42 lines
969 B
JavaScript
42 lines
969 B
JavaScript
import { BROWSER } from 'esm-env';
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let text_encoder;
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// TODO - remove this and use global `crypto` when we drop Node 18
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let crypto;
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/** @param {string} data */
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export async function sha256(data) {
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text_encoder ??= new TextEncoder();
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// @ts-expect-error
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crypto ??= globalThis.crypto?.subtle?.digest
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? globalThis.crypto
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: // @ts-ignore - we don't install node types in the prod build
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(await import('node:crypto')).webcrypto;
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const hash_buffer = await crypto.subtle.digest('SHA-256', text_encoder.encode(data));
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return base64_encode(hash_buffer);
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}
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/**
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* @param {Uint8Array} bytes
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* @returns {string}
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*/
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export function base64_encode(bytes) {
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// Using `Buffer` is faster than iterating
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// @ts-ignore
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if (!BROWSER && globalThis.Buffer) {
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// @ts-ignore
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return globalThis.Buffer.from(bytes).toString('base64');
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}
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let binary = '';
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for (let i = 0; i < bytes.length; i++) {
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binary += String.fromCharCode(bytes[i]);
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}
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return btoa(binary);
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}
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