forked from laantungir/super_ball
16 lines
688 B
TypeScript
16 lines
688 B
TypeScript
// We use WebCrypto aka globalThis.crypto, which exists in browsers and node.js 16+.
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// See utils.ts for details.
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declare const globalThis: Record<string, any> | undefined;
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const cr = typeof globalThis === 'object' && 'crypto' in globalThis ? globalThis.crypto : undefined;
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export function randomBytes(bytesLength = 32): Uint8Array {
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if (cr && typeof cr.getRandomValues === 'function')
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return cr.getRandomValues(new Uint8Array(bytesLength));
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throw new Error('crypto.getRandomValues must be defined');
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}
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export function getWebcryptoSubtle() {
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if (cr && typeof cr.subtle === 'object' && cr.subtle != null) return cr.subtle;
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throw new Error('crypto.subtle must be defined');
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}
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