private static async hmac()

in src/SigV4RequestSigner.ts [179:195]

• 17 lines of code
• 2 McCabe index (conditional complexity)

    private static async hmac(key: string | ArrayBuffer, message: string): Promise<ArrayBuffer> {
        const keyBuffer = typeof key === 'string' ? this.toUint8Array(key).buffer : key;
        const messageBuffer = this.toUint8Array(message).buffer;
        const cryptoKey = await crypto.subtle.importKey(
            'raw',
            keyBuffer,
            {
                name: 'HMAC',
                hash: {
                    name: 'SHA-256',
                },
            },
            false,
            ['sign'],
        );
        return await crypto.subtle.sign({ name: 'HMAC', hash: { name: 'SHA-256' } }, cryptoKey, messageBuffer);
    }