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id, title, challengeType, dashedName
| id | title | challengeType | dashedName |
|---|---|---|---|
| 6a0dcc730cb92a616f86f0c0 | Challenge 296: Schema Validator Part 2 | 28 | challenge-296 |
--description--
Given an object (JavaScript) or dictionary (Python), determine if it matches the following schema:
{
username: string,
posts: number,
verified: boolean
}
- Extra keys are allowed
--hints--
isValidSchema({ username: "alice", posts: 10, verified: false }) should return true.
assert.isTrue(isValidSchema({ username: "alice", posts: 10, verified: false }));
isValidSchema({ username: "carol", posts: 15, verified: true, followers: 25 }) should return true.
assert.isTrue(isValidSchema({ username: "carol", posts: 15, verified: true, followers: 25 }));
isValidSchema({ username: "frank", posts: "21", verified: true }) should return false.
assert.isFalse(isValidSchema({ username: "frank", posts: "21", verified: true }));
isValidSchema({ username: "sam", posts: 17, verified: "false" }) should return false.
assert.isFalse(isValidSchema({ username: "sam", posts: 17, verified: "false" }));
isValidSchema({ username: "bill", verified: true }) should return false.
assert.isFalse(isValidSchema({ username: "bill", verified: true }));
isValidSchema({ username: "fred", verified: true }) should return false.
assert.isFalse(isValidSchema({ username: "fred", verified: true }));
isValidSchema({ username: 5, posts: 10, verified: true }) should return false.
assert.isFalse(isValidSchema({ username: 5, posts: 10, verified: true }));
--seed--
--seed-contents--
function isValidSchema(obj) {
return obj;
}
--solutions--
function isValidSchema(obj) {
return (
typeof obj.username === 'string' &&
typeof obj.posts === 'number' &&
typeof obj.verified === 'boolean'
);
}