Importing Buffer Type

Hi there, I am having issue typing a hash. I am trying to create an encryption key and signature key, but don't know what the return types should be in Deno. In node.js, the type appears to be

Buffer

Buffer

, but this comes up with an error in Deno. Here's the code I'm referring to:

  class myClass {
    _encryptionKey: Buffer; // Errors: Cannot find name 'Buffer'.deno-ts(2580)
    _signatureKey: Buffer; // Errors: Cannot find name 'Buffer'.deno-ts(2580)
    constructor(secret: string, domain: string) {
      const keyMaterial = crypto.createHash("sha256").update(secret).digest();
      this._encryptionKey = keyMaterial.subarray(0, BLOCK_SIZE);
      this._signatureKey = keyMaterial.subarray(BLOCK_SIZE, 32);
    }
  }

  class myClass {
    _encryptionKey: Buffer; // Errors: Cannot find name 'Buffer'.deno-ts(2580)
    _signatureKey: Buffer; // Errors: Cannot find name 'Buffer'.deno-ts(2580)
    constructor(secret: string, domain: string) {
      const keyMaterial = crypto.createHash("sha256").update(secret).digest();
      this._encryptionKey = keyMaterial.subarray(0, BLOCK_SIZE);
      this._signatureKey = keyMaterial.subarray(BLOCK_SIZE, 32);
    }
  }

How should I type this? I'm new to Deno, so any help is appreciated. Thanks a lot

Deno•2y ago•

4 replies

Akuze

Importing Buffer Type

Hi there, I am having issue typing a hash. I am trying to create an encryption key and signature key, but don't know what the return types should be in Deno. In node.js, the type appears to be

Buffer

Buffer

, but this comes up with an error in Deno. Here's the code I'm referring to:

  class myClass {
    _encryptionKey: Buffer; // Errors: Cannot find name 'Buffer'.deno-ts(2580)
    _signatureKey: Buffer; // Errors: Cannot find name 'Buffer'.deno-ts(2580)
    constructor(secret: string, domain: string) {
      const keyMaterial = crypto.createHash("sha256").update(secret).digest();
      this._encryptionKey = keyMaterial.subarray(0, BLOCK_SIZE);
      this._signatureKey = keyMaterial.subarray(BLOCK_SIZE, 32);
    }
  }

  class myClass {
    _encryptionKey: Buffer; // Errors: Cannot find name 'Buffer'.deno-ts(2580)
    _signatureKey: Buffer; // Errors: Cannot find name 'Buffer'.deno-ts(2580)
    constructor(secret: string, domain: string) {
      const keyMaterial = crypto.createHash("sha256").update(secret).digest();
      this._encryptionKey = keyMaterial.subarray(0, BLOCK_SIZE);
      this._signatureKey = keyMaterial.subarray(BLOCK_SIZE, 32);
    }
  }

How should I type this? I'm new to Deno, so any help is appreciated. Thanks a lot

Importing Buffer Type

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