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assertValidKeys javascript Code Snippet in 2022

objectintermediate

Last Updated: 25 September 2022

Validates all keys in an object match the given keys.

  • Use Object.keys() to get the keys of the given object, obj.
  • Use Array.prototype.every() and Array.prototype.includes() to validate that each key in the object is specified in the keys array.
const assertValidKeys = (obj, keys) => Object.keys(obj).every(key => keys.includes(key));
assertValidKeys({ id: 10, name: 'apple' }, ['id', 'name']); // true assertValidKeys({ id: 10, name: 'apple' }, ['id', 'type']); // false

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