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id, title, challengeType, dashedName
| id | title | challengeType | dashedName |
|---|---|---|---|
| 6a0dcc730cb92a616f86f0bf | Challenge 295: Schema Validator Part 1 | 28 | challenge-295 |
--description--
Given an object (JavaScript) or dictionary (Python), determine if it matches the following schema:
{
username: string
}
- Extra keys are allowed
--hints--
isValidSchema({ username: "bob" }) should return true.
assert.isTrue(isValidSchema({ username: "bob" }));
isValidSchema({ username: "jen", posts: 30 }) should return true.
assert.isTrue(isValidSchema({ username: "jen", posts: 30 }));
isValidSchema({ username: "" }) should return true.
assert.isTrue(isValidSchema({ username: "" }));
isValidSchema({ username: 7 }) should return false.
assert.isFalse(isValidSchema({ username: 7 }));
isValidSchema({ posts: 25 }) should return false.
assert.isFalse(isValidSchema({ posts: 25 }));
--seed--
--seed-contents--
function isValidSchema(obj) {
return obj;
}
--solutions--
function isValidSchema(obj) {
return typeof obj.username === 'string';
}