Function getCryptoKeyType

lib/internal/crypto/keys.js:1153–1163

* Returns the value of a CryptoKey's `[[type]]` internal slot. * @param {CryptoKey} key * @returns {'secret' | 'public' | 'private'}

(key)

 * @returns {'secret' | 'public' | 'private'}
 */
function getCryptoKeyType(key) {
  switch (getSlots(key)[kSlotType]) {
    case kKeyTypeSecret: return 'secret';
    case kKeyTypePublic: return 'public';
    case kKeyTypePrivate: return 'private';
    default: {
      const assert = require('internal/assert');
      assert.fail('Unreachable code');
    }
  }
}

/**
 * Returns the value of a CryptoKey's `[[extractable]]` internal slot.