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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | 1x 322x 1x 1x 322x 322x 322x 322x | export function isSubtleCryptoAvailable(): boolean { return typeof crypto !== 'undefined' && typeof crypto.subtle !== 'undefined' } export const NO_CRYPTO_LIB = 'Crypto lib not found. Either the WebCrypto "crypto.subtle" or Node.js "crypto" module must be available.' export type TriplesecDecryptSignature = ( arg: { data: Buffer; key: Buffer }, cb: (err: Error | null, buff: Buffer | null) => void ) => void export interface WebCryptoLib { lib: SubtleCrypto; name: 'subtleCrypto' } export interface NodeCryptoLib { lib: typeof import('crypto'); name: 'nodeCrypto' } // Make async for future version which may lazy load. // eslint-disable-next-line @typescript-eslint/require-await export async function getCryptoLib(): Promise<WebCryptoLib | NodeCryptoLib> { Iif (isSubtleCryptoAvailable()) { return { lib: crypto.subtle, name: 'subtleCrypto' } } else { try { // eslint-disable-next-line max-len // eslint-disable-next-line import/no-nodejs-modules,no-restricted-modules,global-require,@typescript-eslint/no-var-requires const nodeCrypto = require('crypto') as typeof import('crypto') return { lib: nodeCrypto, name: 'nodeCrypto' } } catch (error) { throw new Error(NO_CRYPTO_LIB) } } } |