keys
.Object.keys()
to get the keys of the given object, obj
.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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